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Affordable Forever · preservation literacy infrastructure

Preservation Programs & Protections Library

A living plain-English reference to the programs, agreements, subsidies, tenant protections and preservation tools that can shape the life of an affordable home. Recognize the program, separate the clocks, find the governing record, and know what to verify next.

August 14, 2026 edition · verified through August 14, 2026

First: these are not all the same kind of thing.

People often use “affordable housing program” as a catch-all. That hides the most important differences. A tax benefit, a regulatory agreement, rental assistance, public housing, rent stabilization, a preservation loan and a tenant-specific protection can all affect the same home — but in completely different ways.

Programs create different clocks.A tax exemption can end while affordability continues. A HAP or rental-assistance contract can expire while a use agreement remains. A tenant right can depend on occupancy rather than a building-wide date.
History can still matter.An expired J-51, 421-a, LIHTC, HUD mortgage or older financing layer may remain relevant because of tenant history, rent regulation, a surviving covenant or a later preservation transaction.
The document often controls.The program name tells you where to look. The regulatory agreement, restrictive declaration, HAP/RAC contract, use agreement, lease rider, mortgage or other governing record often tells you the property-specific answer.
The Affordable Forever rule: tax-benefit expiration, affordability expiration, rental-assistance/HAP expiration, mortgage maturity and tenant-protection expiration are separate fields unless the governing rule or document proves they are the same.
Why this library is dated: This edition was checked against the cited primary government sources through August 14, 2026. Statutes, agency rules, term sheets, AMI workbooks, forms, guidance and program availability can change after that date. Re-check the linked primary source before relying on a program rule in a live preservation matter.
The downloadable Field Guide is being rebuilt from this same source.

The live library is currently the authoritative edition while the program-universe audit is still expanding. We are intentionally not offering an older PDF as though it contains the newest verified entries. Once the census stabilizes, the downloadable Field Guide will be regenerated from the same structured data so the web and print versions cannot quietly drift apart.

The at-a-glance quick-reference chart

Use the last column as the memory hook. Then, when a building actually matters, move across the row: identify the type, find the relevant clock, and verify the controlling record.

Program / protectionWhat kind of thing?Main clockCan it end / what may survive?Memory hook
Affordability & subsidy programs
LIHTCLow-Income Housing Tax CreditFederal tax-credit affordability programFederal compliance is 15 years; post-1989 projects generally also have an extended-use period of at least 15 additional years. New York and individual agreements may require longer terms.Potentially. Year 15 is an investor/compliance milestone, not automatically the end of tenant affordability.The foundational tax-credit layer - but never assume '30 years' is the whole story.
SLIHCNew York State Low-Income Housing Tax CreditState tax-credit affordability programProject-specific; the state credit, financing documents and regulatory agreement must be read together.Depends on the governing agreement and other layers.New York's state tax-credit layer - usually document-driven.
HOMEHOME Investment Partnerships ProgramFederal subsidy + affordability restrictionRental affordability periods vary by the amount and type of HOME investment and project structure.Yes. HOME has defined affordability periods, but another restriction may continue afterward.A separate federal affordability clock that can sit on top of LIHTC.
HTFHousing Trust FundFederal block-grant affordability programHTF-assisted rental housing has a federal minimum affordability period of 30 years; a state or project agreement can require longer.The federal minimum has a term; the property-specific agreement may go further.Deep-affordability subsidy - minimum 30-year rental clock, then read the state/project agreement.
Section 8 PBRAProject-Based Rental AssistanceHUD Multifamily rental-assistance contractContract-specific. HUD renewal options can carry terms from one to twenty years depending on the option, and contracts can be renewed repeatedly.A HAP contract can expire or an owner can pursue an opt-out in some circumstances. HUD generally requires one-year notice for an eligible opt-out, and a Use Agreement or other law may constrain it. The HAP date is not automatically the end of all affordability.HUD Multifamily Section 8 - think contract clock, not generic 'Section 8.'
Section 8 PBVProject-Based VouchersPHA-administered voucher contractThe initial HAP term can be up to 20 years. Extensions can be executed before expiration; each extension may be up to 20 years and the total remaining term cannot exceed 40 years under current federal rules.The PBV contract has a term, but other regulatory agreements may continue. PBV is not the same program as PBRA.Project-based vouchers = PHA/voucher platform, not HUD Multifamily PBRA.
Section 202Section 202 Supportive Housing for the ElderlyFederal capital advance / direct-loan + rental-assistance familyGeneration matters. Capital-advance projects generally carry a 40-year affordability obligation; legacy direct loans can have maturities up to 40 years. PRAC assistance is renewable and some properties convert through RAD to long-term PBRA or PBV.Loan maturity, affordability obligation and rental-assistance contract are separate clocks. RAD can recapitalize a project and extend long-term affordability rather than simply ending the old assistance.Section 202 is a family of generations - do not reduce it to one 'expiration date.'
Mitchell-LamaMitchell-Lama Housing ProgramSupervised affordable rental/co-op programUnder state-supervised Mitchell-Lama, developments generally have a statutory right to buy out after 20 years; project financing and other restrictions can create additional clocks.Mitchell-Lama supervision can end through dissolution/buyout. Other rent regulation or federal restrictions may survive, especially in older NYC/ETPA buildings.A whole housing regime - not just a tax break, and buyout does not always mean instant deregulation.
NYC tax-benefit & regulatory programs
Legacy J-51J-51 Tax Exemption/AbatementRehabilitation tax benefit + rent-regulation historyBenefits vary. HPD describes 14- or 34-year exemption structures and abatements up to 20 years. Work completed after June 29, 2022 is not eligible for legacy J-51.The tax benefit ends. Rent-regulation consequences may survive depending on independent stabilization, tenant occupancy and required lease notices.Old J-51 = rehab tax benefit, but tenant/lease history can outlive the tax benefit.
J-51 RJ-51 ReformRehabilitation tax abatement + restriction periodEligible construction must fall within the current statutory completion window. Tax abatement can run up to 20 years; the restriction period is at least 15 years from initial receipt of benefits and can be longer.The restriction period has its own clock. Current rules also make tenant occupancy during the protected period relevant to continuing rent-stabilization consequences.New J-51: tax clock, restriction clock and tenant-history clock are explicitly different.
421-a421-a / Affordable New York generationsNew-construction tax exemption + affordability/rent regulationThere are multiple statutory generations and options. Older 421-a can have 10-, 15-, 20- or 25-year post-construction benefits; Affordable New York generally uses 35-year benefit structures, with some enhanced projects carrying a 40-year restriction period.Yes, but the tax-benefit end, affordable-unit restriction end and tenant protection can be different dates.Never say '421-a is X years' without identifying the generation.
485-xAffordable Neighborhoods for New YorkersNew-construction tax exemption + permanent restricted-unit protectionTax benefits can be 10, 35 or 40 years depending on the option. HPD's current implementation materials include 2026 affordability workbooks and current program rules.The tax benefit ends, but HPD states Affordable Housing Units are permanently affordable and Restricted Units are permanently rent stabilized.Finite tax benefit; permanent restricted-unit protection.
467-mAffordable Housing from Commercial ConversionsCommercial-to-residential conversion tax exemption + permanent affordabilityBenefit schedules vary by geography and commencement date and generally run 25, 30 or 35 years. Current eligibility uses statutory commencement/completion windows and 2026 HPD implementation materials.The tax benefit ends; Affordable Housing Units are permanently subject to rent stabilization and the affordability restriction continues beyond the tax-benefit term.Commercial-conversion program - not the LIHTC Year 15 preservation program.
Article XIPHFL Article XI Tax ExemptionHDFC tax exemption + project-specific affordability agreementHPD can grant a complete or partial real-estate-tax exemption for up to 40 years.The tax exemption has a term; affordability is governed by the accompanying project/regulatory documents and may have its own term.Common NYC preservation tax tool - but the agreement is the real answer.
420-cRPTL 420-cLIHTC-linked property-tax exemption / preservation financing toolThe exemption runs for the actual regulatory-agreement term, up to a maximum of 60 years.Yes. The 420-c exemption ends with the regulatory-agreement term unless another protection continues; the tax benefit by itself does not answer every tenant-protection question.LIHTC-linked tax relief that can make a preservation acquisition pencil — not a loan. Nonprofit control + the regulatory agreement are the keys.
420-aRPTL 420-aSupportive/nonprofit housing tax exemptionHPD states the exemption continues while eligibility requirements remain satisfied.It can end if eligibility requirements stop being satisfied; separate regulatory agreements may also matter.Condition-based supportive-housing exemption - not a simple 20/30/40-year clock.
UDAAPUrban Development Action Area ProgramCity-authorized property-tax exemptionDOF states the exemption can run up to 20 years on the assessed value of the building; the land remains taxable.The tax exemption has a finite term. Any affordability/regulatory agreement created with the underlying disposition or financing must be checked separately.Former City land + Council designation + up-to-20-year tax exemption; then read the separate affordability documents.
421-g421-gLegacy downtown commercial-conversion tax benefitLegacy/project-specific; HPD says the program was not available for conversions commencing after 2006.The tax benefit can expire, but rent-regulation history may remain relevant to tenants and requires a generation/property-specific review.Old downtown conversion incentive - historical status may still matter today.
Tenant-stability protections
Rent StabilizationNYC / ETPA Rent StabilizationRent-regulation lawNo single universal expiration date. Coverage depends on the legal basis for stabilization and the building/unit/tenant facts.Coverage can change under specific legal rules, but it must not be inferred from a subsidy or tax-benefit date alone.A tenant/unit protection - not an affordability financing program.
Rent ControlNew York Rent ControlLegacy rent-regulation lawTenant-history dependent rather than a project affordability term.Can end when the qualifying tenancy ends or other legal conditions change; property-level data alone is not enough.A tenancy-history protection, not a building subsidy.
Good CauseGood Cause EvictionTenant-stability / anti-displacement lawNot an affordability expiration clock; coverage turns on current statutory and tenant/building facts. HCR's current notice and guidance should be checked because implementation materials can be updated.Coverage can change with tenancy/property facts or law; it should be screened, not automatically declared from public data.Stability protection, not an affordability covenant.
Preservation financing & intervention tools
LIHTC Year 15 PreservationHPD LIHTC Preservation (Year 15) ProgramPreservation financing / recapitalization programTriggered by the property's LIHTC lifecycle rather than creating one universal original program term. Current HPD options can include tax exemptions of up to 40 or 60 years depending on the exemption, low-interest loans and mortgage modifications; loan structures can run 30 to 40 years.It is an intervention used to create a new preservation deal; the resulting affordability term depends on the new tax exemption, loans and regulatory agreement.A separate HPD preservation program for LIHTC properties around Year 15 — not the same thing as 420-c, although 420-c can be one tax-exemption tool in a preservation transaction.
HUD Multifamily PreservationHPD HUD Multifamily ProgramPreservation financing for HUD-assisted housingUsually responds to a HUD-assisted property's recapitalization, physical-needs and contract-preservation cycle rather than one universal term; HPD's current loan program lists a 30-year loan term.The preservation transaction creates or extends obligations through its financing and regulatory documents.City preservation financing aimed specifically at HUD-assisted properties.
HPOHousing Preservation Opportunities ProgramArticle XI preservation tax-exemption programHPD currently offers full or partial Article XI tax exemptions for up to 40 years.The Article XI exemption has a term; the regulatory agreement and preservation transaction determine the affordability obligations that accompany it.Preservation when the main need is tax relief rather than an HPD rehab loan.
SPPSupportive Preservation ProgramSupportive-housing preservation financingA preservation transaction rather than one universal statutory clock. Current HPD materials describe minimum 30-year loan structures with terms that can extend to 40 years, while the social-service contract remains a separate layer.The financing, affordability agreement and service contract are separate clocks. SPP does not itself modify the social-service contract.New in 2026: preservation program specifically for existing supportive housing.
CPARCapital Partnership for Affordable RenovationModerate-rehab preservation loan programHPD currently describes a 30-year below-market loan. Borrowers enter a regulatory agreement for at least the term of the loan and/or tax exemption.The loan and tax exemption have terms; the regulatory agreement sets the actual rent/income restrictions and requires covered units to be rent stabilized during the applicable period.Moderate rehab + private lender + HPD gap subsidy, with a regulatory agreement attached.
HRPMultifamily Housing Rehabilitation Loan ProgramDeep-rehab / limited-private-debt preservation financingHPD's current program materials describe a minimum 30-year loan term with a repayable balloon term of up to 40 years.The financing term is not automatically the same as the affordability term; the tax exemption and regulatory agreement must be read as separate layers.Use when the building needs rehab but cannot carry conventional private debt on its own.
PLP / TPT / MPLPParticipation Loan ProgramsPreservation financing / acquisition-rehabilitation familyProject-specific financing, tax-exemption and regulatory-agreement terms; there is no single family-wide expiration date.Each preservation transaction creates its own financing and affordability clocks.A family of preservation deals - identify the subtype before trying to interpret the clock.
Neighborhood PillarsNeighborhood Pillars ProgramAcquisition + rehabilitation preservation programCurrent HPD materials require a regulatory agreement for at least the 30-year loan term and/or tax exemption and permanent affordability for at least 30% of units.Some project obligations are term-limited while a permanent-affordability component applies to at least part of the project; the executed regulatory agreement controls the property-specific mix.Acquisition preservation: a useful bridge from distressed private ownership toward mission-driven stewardship.
Documents that often control the real answer
Regulatory AgreementProperty-specific regulatory agreement / restrictive covenantGoverning legal documentWhatever term the agreement actually states; it may be longer than the subsidy or tax benefit that helped finance the property.Fixed-term, permanent, renewable or conditional depending on the document. Amendments and later agreements can supersede or layer on top of earlier terms.When the headline program and the actual deal seem to conflict, the governing document is often where the answer lives.
Restrictive DeclarationRecorded restrictive declarationRecorded affordability covenantProgram/document-specific; some declarations implement permanent restrictions and others fixed compliance periods.Depends on the statute and declaration. Do not assume the tax-benefit term controls it.The recorded document that can make the protection run with the property.
Additional affordability & regulatory families
Inclusionary HousingNYC Inclusionary Housing family (MIH / UAP / vested VIH / AQRS / Cure)Zoning-linked affordability + recorded restrictive declarationSubtype-specific. MIH requires permanently affordable housing, and UAP additional homes are permanently income-restricted. The recorded restrictive declaration is a key property-level source.Do not infer an end date from the zoning approval alone. Permanent subtypes run with the land; older/vested or cure structures require the applicable declaration and generation rules.If zoning created the affordability, find the restrictive declaration. MIH/UAP can be permanent.
Section 811Section 811 Supportive Housing for Persons with DisabilitiesFederal capital-advance / rental-assistance familyGeneration matters. Traditional capital-advance projects carry at least a 40-year affordability obligation. Project rental assistance has its own renewable contract clock; Section 811 PRA can also be layered into properties financed through LIHTC, HOME or other sources.Capital-advance affordability and rental-assistance contracts are separate clocks. A contract milestone does not by itself establish the end of every affordability/use restriction.Section 811 = disability housing. Separate the long affordability obligation from the rental-assistance contract.
Additional rental-assistance & tenant-protection programs
NYC 15/15NYC 15/15 Project-Based Rental AssistanceCity project-based rental assistance for supportive housingThe initial NYC 15/15 Rental Assistance Contract can run up to 15 years. HPD requires an existing or new/extended HPD regulatory agreement that covers the life of the Rental Assistance Contract, so the assistance contract and affordability agreement must be tracked separately.The rental-assistance contract has a term and may be renewed or replaced under then-current rules; the regulatory agreement and other affordability/supportive-housing restrictions may have different clocks.NYC 15/15 = City project-based supportive-housing assistance. RAC clock is not automatically the affordability clock.
Section 8 Mod RehabSection 8 Moderate Rehabilitation / Mod Rehab SROLegacy federal project-based rental assistanceContract- and conversion-specific. The existing Mod Rehab HAP contract is one clock; a RAD conversion can replace it with a new long-term PBV or PBRA structure and accompanying use restrictions.A Mod Rehab contract can reach a renewal/conversion milestone, but that does not establish that every affordability or resident protection ends. RAD and other preservation tools can change the assistance structure.Mod Rehab is its own legacy project-based Section 8 lane — don't collapse it into PBRA or PBV before checking the contract.
SCRIE / DRIESenior Citizen / Disability Rent Increase Exemption (NYC Rent Freeze)Tenant-specific rent-freeze protectionTenant-specific eligibility and benefit period. This is not a building-wide affordability covenant and should be modeled in the Tenant Protection Stack rather than as a property expiration date.Eligibility can change and benefits require renewal/continued qualification. The tenant's underlying rent regulation, subsidy or building affordability restrictions remain separate protections.SCRIE/DRIE freezes an eligible tenant's rent; it does not create one building-wide affordability clock.
Public & preservation system families
RAD / PACTRental Assistance Demonstration / NYCHA Permanent Affordability Commitment TogetherPublic-housing preservation conversion + Project-Based Section 8Conversion creates a new assistance and use-restriction structure rather than one simple expiration date. NYCHA states PACT homes remain permanently affordable and resident rights are preserved.Do not treat conversion to Section 8 as privatization of the affordability clock or as a generic PBV/PBRA expiration. PACT/RAD documents, land/building control, HAP structure and resident protections must be read together.PACT is NYCHA's RAD pathway: Section 9 -> Project-Based Section 8 + rehabilitation, with permanent affordability promised in the program structure.
Public Housing Preservation TrustNew York City Public Housing Preservation Trust100% public NYCHA preservation + Section 8 financing pathwayNYCHA remains permanent owner; the Trust receives a long-term ground lease that NYCHA says is renewed every 99 years. Program materials state homes remain permanently affordable and resident rights/use restrictions are embedded in the land.This is not the same structure as PACT. Do not collapse the Trust into a generic Section 8 conversion; its public ownership, ground lease and statutory resident protections are distinct.Trust = NYCHA stays owner and manager; a public entity + renewable long ground lease unlocks Section 8/bond rehabilitation funding.
HDC PreservationNYC Housing Development Corporation Preservation Program familyCity preservation financing / bond programTransaction-specific. HDC financing, mortgage/bond maturity, regulatory agreement, tax exemption and any rental-assistance contract must be modeled as separate clocks.The financing has a term, but the affordability restriction can be governed by a different/longer regulatory agreement or assistance layer.HDC is its own preservation-finance lane - don't mistake an HDC loan term for the affordability end date.
HCR Preservation FinanceNew York State HCR/HFA preservation financing familyState preservation loans / subsidy / tax-credit recapitalizationProgram- and project-specific. State loan, tax-credit, mortgage and regulatory-agreement clocks can differ, and an older subsidy layer may remain relevant after recapitalization.A state preservation loan reaching maturity is not automatically the end of affordability; the executed HCR/HFA regulatory agreement and overlapping subsidy/use restrictions control the property-specific answer.New York State has its own preservation toolbox - identify the exact term sheet and then find the regulatory agreement.
Community-Controlled PreservationANCP / TIL / Community Land Trust / HCR CCAH & CLT Support familyResident/community ownership + stewardship preservationStructure-specific. HPD CLT projects typically use regulatory agreements with 30-60 years of initial affordability protections that can be extended indefinitely, plus ground leases typically lasting 99 years with automatic renewal. Cooperative/HDFC agreements can have separate terms.The public subsidy, regulatory agreement, HDFC restrictions and CLT ground lease are different layers. Community control should be modeled as a stewardship/governance layer rather than reduced to one subsidy clock.Community control is a protection layer of its own: who owns/stewards the land can matter long after a particular subsidy closes.
Partners in PreservationNYC HPD Partners in Preservation (PiP)Publicly funded tenant-organizing & anti-displacement interventionNo property-level affordability clock. The relevant state is whether a building is being organized/supported and what enforcement, legal or preservation actions follow.Program funding/coverage can change, but tenant organizing and any resulting legal, regulatory or preservation protections are separate. Do not describe PiP itself as a restriction on the deed or rent.PiP = City-funded organizing. It helps tenants create leverage; it is not itself a deed restriction.
Legacy federal preservation mechanisms
Legacy HUD Mortgage / Use AgreementsSection 236 / 221(d)(3) BMIR / ELIHPA / LIHPRHA / pre-1974 Section 202 / related HUD use restrictionsLegacy federal mortgage + use-restriction familyMortgage maturity is one clock, not the answer. HUD's preservation infrastructure separately tracks rental assistance, use agreements, restructured debt and legacy direct-loan preservation.A subsidized mortgage can mature while a HAP contract, use agreement, SPRAC/RAD structure, state/local law or other protection continues. Some preservation use agreements impose their own long-term restrictions.Old HUD mortgage ending does NOT automatically mean affordability ending. Always look for the separate assistance/use agreement.
Federal PBRA Preservation ToolsMark-to-Market / Post-M2M / BBRA / Section 8(bb) / Section 8 Preservation EffortsHUD PBRA restructuring / transfer / preservation toolsTool-specific. Mark-to-Market can restructure HUD/FHA debt while renewing Section 8; Post-M2M Budget Based Rent Adjustments can stabilize eligible restructured properties; Section 8(bb) can transfer remaining PBRA budget authority when a HAP terminates or expires without renewal.These are intervention pathways, not one universal restriction term. The resulting HAP contract, use agreement, restructured debt and transaction documents determine the new clocks.A Section 8 contract problem can trigger a preservation tool - not necessarily an affordability cliff.
Additional New York State affordability programs
NYS Housing Trust FundNew York State Low-Income Housing Trust Fund Program (HTF)State capital subsidy + long-term low-income use restrictionHCR states that project sponsors must ensure long-term use by low- and/or very-low-income people for 15-30 years. The exact project documents and other layered financing can require additional or longer restrictions.The state HTF use period has a defined project term, but other LIHTC, HOME, HFA/HCR, local or recorded restrictions may continue. Do not confuse this state program with the separate federal Housing Trust Fund.Two different HTFs exist: federal HTF and New York State's Low-Income Housing Trust Fund. Identify which one funded the property.
Public housing foundations & transition protections
NYCHA / Section 9Traditional Section 9 Public HousingFederal public-housing subsidy + public ownership/governance regimeThere is no single property affordability expiration analogous to a tax-benefit end date. Operations and capital funding depend on the federal public-housing framework and annual appropriations; any proposed conversion or disposition has its own legal process and resident-rights requirements.A development can remain Section 9 or later enter a HUD-approved repositioning/conversion pathway. Do not treat a potential PACT/Trust discussion as proof that Section 9 has ended before the actual approval/conversion occurs.Section 9 is the traditional public-housing regime itself. PACT and the Trust are alternatives to it, not synonyms for it.
NYCHA Comprehensive ModernizationNYCHA Comprehensive Modernization (Comp Mod)Section 9 public-housing capital preservation + whole-development modernizationComp Mod is a capital-rehabilitation pathway, not a conversion to a new affordability clock. Project funding, design and construction have schedules, while the development remains governed by the Section 9 public-housing framework unless a separate later legal action changes that status.Completion of the capital project does not itself end Section 9 status or create a market-rate conversion. Any later PACT, Trust, Section 18 or other repositioning action would be a separate process that must be verified independently.Comp Mod = comprehensive rehabilitation while staying Section 9. Do not confuse capital modernization with a Section 8 conversion.
Public Housing RepositioningHUD Section 18 / RAD-Section 18 / other public-housing repositioning pathwaysPublic-housing conversion, disposition and replacement-assistance mechanismsProcess-specific. A Section 18 approval can remove units from the public-housing program and trigger Tenant Protection Vouchers; RAD/Section 18 blends combine RAD conversion with Section 18 assistance and replacement requirements. Approval, relocation, HAP/PBV conversion and use-restriction clocks are separate.Resident protections differ materially by pathway. HUD states that RAD and Section 18/SVC do not provide identical rights, so never label a repositioning simply 'Section 8 conversion' without identifying the authority used.Public-housing change has a legal pathway. Section 18 is not RAD, and a RAD/Section 18 blend is not pure RAD.
Enhanced / Tenant Protection VouchersEnhanced Vouchers and HUD Tenant Protection Vouchers (TPVs)Tenant-specific protection/relocation rental assistance triggered by housing conversion actionsTenant- and event-specific rather than a building-wide restriction term. Enhanced voucher payment rules can allow an eligible family to remain after certain multifamily conversions; replacement and relocation TPVs have different reissuance rules.Voucher eligibility and assistance can change under program rules, and moving can change the applicable payment standard. The voucher does not by itself preserve the old building-wide covenant, so the property transition and the household protection must be modeled separately.When a building-level HUD protection changes, ask what happens to the people. Enhanced/TPV assistance is the tenant-protection side of the transition.
Preservation restructuring & permanent stewardship
Affordable Housing Retention ActAffordable Housing Retention Act (AHRA) / General Business Law § 352-eeeeeNYC preservation restructuring law + condominium conversion + permanent affordabilityFor a consummated preservation plan, the statute defines the extended affordability term for the income-restricted rental units as in perpetuity while the development exists, subject to the regulatory agreement. The statute itself is currently scheduled to repeal on November 5, 2031, but rights granted under completed preservation plans survive expiration or amendment of the statute.The statutory filing pathway has a sunset and an individual plan can fail to become effective or be abandoned. But a consummated plan requires existing income-restricted units to remain restricted in perpetuity under the new regulatory agreement; the statute also protects non-purchasing tenants and allows qualifying affordable units to convert to limited-equity cooperative ownership while retaining permanent low-income restrictions.Not every condo conversion means affordability loss: AHRA can carve the affordable units into permanent HDFC/CLT/nonprofit stewardship.
Enforcement & building-rescue interventions
Certification of No HarassmentNYC Certification of No Harassment (CONH)Anti-harassment permit restriction + tenant displacement protectionThe building's CONH coverage basis, harassment inquiry period, application/determination and any denial-related permit restriction are separate milestones. The current pilot is scheduled to run through September 27, 2026; SRO and special-district CONH requirements have separate continuing legal bases.Coverage depends on the applicable law, zoning district, building type or pilot list. A denial can block covered alteration/demolition permits for a period of years and may trigger low-income housing requirements or options depending on the CONH regime. A pending Council proposal would make the pilot permanent, but that proposal is not current law unless enacted.Before an owner can materially alter or demolish certain vulnerable buildings, CONH asks whether tenants were harassed out first.
7A AdministrationNew York Real Property Actions and Proceedings Law Article 7-A / NYC HPD 7A ProgramCourt-appointed building administration + tenant-safety preservation interventionCourt- and building-specific rather than an affordability expiration. The important lifecycle is the 7A petition/order, administrator appointment and management period, repair/capital work, court oversight and eventual disposition or return of control.A 7A administration can end through court action when the legal basis for administration is resolved. Ending 7A does not itself determine rent regulation, subsidy status or affordability; those protections must be tracked separately.7A can change who runs a dangerous private building without changing who holds the deed—an emergency building-rescue tool, not an affordability covenant.
Specialized tenant protection regimes
Loft Law / IMDNew York City Loft Law / Interim Multiple Dwelling protectionsTenant protection + building legalization + eventual rent-regulation pathwayLegalization milestones and tenant status matter rather than one affordability expiration date. After legalization and the required Loft Board order, a protected occupant must be offered a rent-regulated lease under the Emergency Tenant Protection Act.Loft Board jurisdiction can end after legalization or another lawful disposition of coverage, but the tenant may transition into rent regulation. Sale of the building does not itself eliminate Loft Law rights.Loft Law is a legalization regime with real tenant rights: IMD protection can lead into rent regulation rather than simply disappear when the building becomes legal.

Comprehensive does not mean pretending every acronym is the same.

The public library surfaces the program families and protections tenants, organizers and housing professionals are most likely to need. Underneath it, Affordable Forever maintains a broader census that also tracks legacy programs, specialized financing, supportive-housing layers, creation programs that can leave surviving regulatory agreements, tenant-only assistance, retired programs and proposed mechanisms.

The useful question is not merely “Does this building have LIHTC/J-51/Section 8?” It is: Which generation or contract applies, what document governs it, what date does that document describe, and what other layers survive that date?

This is a comprehensive working guide to the major affordability, tax-benefit, rental-assistance, rent-regulation and preservation tools most likely to matter in New York City preservation research. It will expand as additional programs are verified and incorporated into the Affordable Forever Protection Rules Registry.

August 14, 2026 edition · reference last verified against cited primary government sources through August 14, 2026.

Plain-English details

The chart is for recognition. These cards give you the next layer: what the program is used for and what record you should actually look for.

Affordability & subsidy programs

Federal tax-credit affordability program

LIHTCLow-Income Housing Tax Credit

What it is used forFinances affordable rental housing by bringing investor equity into a project in exchange for income and rent restrictions.
Main clockFederal compliance is 15 years; post-1989 projects generally also have an extended-use period of at least 15 additional years. New York and individual agreements may require longer terms.
Can it end / what may survive?Potentially. Year 15 is an investor/compliance milestone, not automatically the end of tenant affordability.
What to verifyPlaced-in-service history, extended-use/regulatory agreement, state rules, qualified-contract history, resyndication and overlapping restrictions.
Remember: The foundational tax-credit layer - but never assume '30 years' is the whole story.
Primary source →
State tax-credit affordability program

SLIHCNew York State Low-Income Housing Tax Credit

What it is used forNew York State tax credit used with affordable housing financing, often layered with HCR/HFA restrictions.
Main clockProject-specific; the state credit, financing documents and regulatory agreement must be read together.
Can it end / what may survive?Depends on the governing agreement and other layers.
What to verifyHCR/HFA regulatory agreement, financing documents, LIHTC overlap and later preservation transactions.
Remember: New York's state tax-credit layer - usually document-driven.
Primary source →
Federal subsidy + affordability restriction

HOMEHOME Investment Partnerships Program

What it is used forAcquisition, construction or rehabilitation of affordable housing through state and local participating jurisdictions.
Main clockRental affordability periods vary by the amount and type of HOME investment and project structure.
Can it end / what may survive?Yes. HOME has defined affordability periods, but another restriction may continue afterward.
What to verifyHOME-assisted unit designation, written agreement, recorded restriction and overlapping LIHTC/local agreements.
Remember: A separate federal affordability clock that can sit on top of LIHTC.
Primary source →
Federal block-grant affordability program

HTFHousing Trust Fund

What it is used forSupports deeply affordable housing, primarily for extremely low-income households.
Main clockHTF-assisted rental housing has a federal minimum affordability period of 30 years; a state or project agreement can require longer.
Can it end / what may survive?The federal minimum has a term; the property-specific agreement may go further.
What to verifyState allocation documents, regulatory agreement and unit designations.
Remember: Deep-affordability subsidy - minimum 30-year rental clock, then read the state/project agreement.
Primary source →
HUD Multifamily rental-assistance contract

Section 8 PBRAProject-Based Rental Assistance

What it is used forSubsidizes designated units through a HUD project-based Housing Assistance Payments contract.
Main clockContract-specific. HUD renewal options can carry terms from one to twenty years depending on the option, and contracts can be renewed repeatedly.
Can it end / what may survive?A HAP contract can expire or an owner can pursue an opt-out in some circumstances. HUD generally requires one-year notice for an eligible opt-out, and a Use Agreement or other law may constrain it. The HAP date is not automatically the end of all affordability.
What to verifyContract ID, assisted units, HAP expiration, renewal/opt-out status, HUD Use Agreement, one-year notice status and other restrictions.
Remember: HUD Multifamily Section 8 - think contract clock, not generic 'Section 8.'
Primary source →
PHA-administered voucher contract

Section 8 PBVProject-Based Vouchers

What it is used forAttaches Housing Choice Voucher assistance to specified units through a public housing agency and owner HAP contract.
Main clockThe initial HAP term can be up to 20 years. Extensions can be executed before expiration; each extension may be up to 20 years and the total remaining term cannot exceed 40 years under current federal rules.
Can it end / what may survive?The PBV contract has a term, but other regulatory agreements may continue. PBV is not the same program as PBRA.
What to verifyAdministering PHA, HAP term, contract-unit list, extensions, RAD context and local regulatory agreements.
Remember: Project-based vouchers = PHA/voucher platform, not HUD Multifamily PBRA.
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Federal capital advance / direct-loan + rental-assistance family

Section 202Section 202 Supportive Housing for the Elderly

What it is used forSupports affordable housing for very-low-income older adults, often with a capital advance or legacy direct loan and a PRAC or later Section 8 assistance layer.
Main clockGeneration matters. Capital-advance projects generally carry a 40-year affordability obligation; legacy direct loans can have maturities up to 40 years. PRAC assistance is renewable and some properties convert through RAD to long-term PBRA or PBV.
Can it end / what may survive?Loan maturity, affordability obligation and rental-assistance contract are separate clocks. RAD can recapitalize a project and extend long-term affordability rather than simply ending the old assistance.
What to verifyWhether the property is legacy direct-loan or capital-advance/PRAC, loan maturity, PRAC status, RAD conversion documents and any new HAP/use agreement.
Remember: Section 202 is a family of generations - do not reduce it to one 'expiration date.'
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Supervised affordable rental/co-op program

Mitchell-LamaMitchell-Lama Housing Program

What it is used forCreates privately owned but publicly supervised middle-income and moderate-income rental and cooperative housing.
Main clockUnder state-supervised Mitchell-Lama, developments generally have a statutory right to buy out after 20 years; project financing and other restrictions can create additional clocks.
Can it end / what may survive?Mitchell-Lama supervision can end through dissolution/buyout. Other rent regulation or federal restrictions may survive, especially in older NYC/ETPA buildings.
What to verifySupervising agency, mortgage history, buyout/dissolution status, Section 8/FHA overlays and rent-regulation consequences.
Remember: A whole housing regime - not just a tax break, and buyout does not always mean instant deregulation.
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NYC tax-benefit & regulatory programs

Rehabilitation tax benefit + rent-regulation history

Legacy J-51J-51 Tax Exemption/Abatement

What it is used forOffsets qualifying rehabilitation/conversion costs and historically brought rental units under rent stabilization/control during the benefit period.
Main clockBenefits vary. HPD describes 14- or 34-year exemption structures and abatements up to 20 years. Work completed after June 29, 2022 is not eligible for legacy J-51.
Can it end / what may survive?The tax benefit ends. Rent-regulation consequences may survive depending on independent stabilization, tenant occupancy and required lease notices.
What to verifyBenefit dates, independent stabilization, tenant move-in/occupancy, J-51 notices in leases and other agreements.
Remember: Old J-51 = rehab tax benefit, but tenant/lease history can outlive the tax benefit.
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Rehabilitation tax abatement + restriction period

J-51 RJ-51 Reform

What it is used forSupports rehabilitation of eligible existing multiple dwellings while preserving regulated/affordable housing.
Main clockEligible construction must fall within the current statutory completion window. Tax abatement can run up to 20 years; the restriction period is at least 15 years from initial receipt of benefits and can be longer.
Can it end / what may survive?The restriction period has its own clock. Current rules also make tenant occupancy during the protected period relevant to continuing rent-stabilization consequences.
What to verifyConstruction/completion eligibility, initial benefit date, restriction-period end, unit type, tenant occupancy and other program layers.
Remember: New J-51: tax clock, restriction clock and tenant-history clock are explicitly different.
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New-construction tax exemption + affordability/rent regulation

421-a421-a / Affordable New York generations

What it is used forProvides property-tax benefits to qualifying new housing, often in exchange for affordability and rent-stabilization requirements.
Main clockThere are multiple statutory generations and options. Older 421-a can have 10-, 15-, 20- or 25-year post-construction benefits; Affordable New York generally uses 35-year benefit structures, with some enhanced projects carrying a 40-year restriction period.
Can it end / what may survive?Yes, but the tax-benefit end, affordable-unit restriction end and tenant protection can be different dates.
What to verifyExact statutory generation, Certificate of Eligibility, restrictive declaration, unit designation, lease rider, 2026/current workbook rules and any 421-a(17) extension.
Remember: Never say '421-a is X years' without identifying the generation.
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New-construction tax exemption + permanent restricted-unit protection

485-xAffordable Neighborhoods for New Yorkers

What it is used forProvides tax benefits to eligible new multifamily housing in exchange for specified affordability/rent-stabilization requirements.
Main clockTax benefits can be 10, 35 or 40 years depending on the option. HPD's current implementation materials include 2026 affordability workbooks and current program rules.
Can it end / what may survive?The tax benefit ends, but HPD states Affordable Housing Units are permanently affordable and Restricted Units are permanently rent stabilized.
What to verifyProject option, commencement/completion dates, unit designation, current workbook/application and recorded restrictive declaration.
Remember: Finite tax benefit; permanent restricted-unit protection.
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Commercial-to-residential conversion tax exemption + permanent affordability

467-mAffordable Housing from Commercial Conversions

What it is used forIncentivizes conversion of qualifying non-residential buildings into rental housing with an affordable component.
Main clockBenefit schedules vary by geography and commencement date and generally run 25, 30 or 35 years. Current eligibility uses statutory commencement/completion windows and 2026 HPD implementation materials.
Can it end / what may survive?The tax benefit ends; Affordable Housing Units are permanently subject to rent stabilization and the affordability restriction continues beyond the tax-benefit term.
What to verifyConversion commencement/completion dates, geography, affordable-unit designation, current workbook/application and recorded restrictive declaration.
Remember: Commercial-conversion program - not the LIHTC Year 15 preservation program.
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HDFC tax exemption + project-specific affordability agreement

Article XIPHFL Article XI Tax Exemption

What it is used forSupports new construction or rehabilitation of affordable housing through an HDFC and is frequently used in preservation transactions.
Main clockHPD can grant a complete or partial real-estate-tax exemption for up to 40 years.
Can it end / what may survive?The tax exemption has a term; affordability is governed by the accompanying project/regulatory documents and may have its own term.
What to verifyCity Council resolution, HPD Certificate of Eligibility, HDFC structure and regulatory agreement.
Remember: Common NYC preservation tax tool - but the agreement is the real answer.
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LIHTC-linked property-tax exemption / preservation financing tool

420-cRPTL 420-c

What it is used forReduces real-estate taxes on qualifying low-income housing and can help an acquisition, recapitalization or preservation transaction pencil. Eligible projects must be currently or formerly financed with federal LIHTC, have qualifying nonprofit control, and be subject to an HPD-approved regulatory agreement.
Main clockThe exemption runs for the actual regulatory-agreement term, up to a maximum of 60 years.
Can it end / what may survive?Yes. The 420-c exemption ends with the regulatory-agreement term unless another protection continues; the tax benefit by itself does not answer every tenant-protection question.
What to verifyOwnership or lease term of at least 30 years; at least 50% qualifying nonprofit controlling interest; current or former LIHTC financing; HPD-approved regulatory agreement; Certificate of Eligibility/PILOT if applicable; acquisition and refinancing documents.
Remember: LIHTC-linked tax relief that can make a preservation acquisition pencil — not a loan. Nonprofit control + the regulatory agreement are the keys.
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Supportive/nonprofit housing tax exemption

420-aRPTL 420-a

What it is used forProvides complete tax exemption to qualifying HDFC-owned housing with governmental assistance, low-income use and supportive-service requirements.
Main clockHPD states the exemption continues while eligibility requirements remain satisfied.
Can it end / what may survive?It can end if eligibility requirements stop being satisfied; separate regulatory agreements may also matter.
What to verifyHDFC/nonprofit ownership, governmental assistance, supportive-housing agreement and regulatory documents.
Remember: Condition-based supportive-housing exemption - not a simple 20/30/40-year clock.
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City-authorized property-tax exemption

UDAAPUrban Development Action Area Program

What it is used forSupports rehabilitation or new housing on qualifying former City-owned property designated by the City Council as an Urban Development Action Area Project.
Main clockDOF states the exemption can run up to 20 years on the assessed value of the building; the land remains taxable.
Can it end / what may survive?The tax exemption has a finite term. Any affordability/regulatory agreement created with the underlying disposition or financing must be checked separately.
What to verifyCity Council UDAAP resolution, HPD Certificate of Eligibility, property disposition history and regulatory agreement.
Remember: Former City land + Council designation + up-to-20-year tax exemption; then read the separate affordability documents.
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Legacy downtown commercial-conversion tax benefit

421-g421-g

What it is used forProvided tax exemption and abatement for conversion of commercial buildings to multiple dwellings in downtown Manhattan.
Main clockLegacy/project-specific; HPD says the program was not available for conversions commencing after 2006.
Can it end / what may survive?The tax benefit can expire, but rent-regulation history may remain relevant to tenants and requires a generation/property-specific review.
What to verifyBenefit history, building conversion date, HCR registration and tenant rent/lease history.
Remember: Old downtown conversion incentive - historical status may still matter today.
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Tenant-stability protections

Rent-regulation law

Rent StabilizationNYC / ETPA Rent Stabilization

What it is used forLimits lawful rent increases, provides renewal rights and other protections for covered apartments.
Main clockNo single universal expiration date. Coverage depends on the legal basis for stabilization and the building/unit/tenant facts.
Can it end / what may survive?Coverage can change under specific legal rules, but it must not be inferred from a subsidy or tax-benefit date alone.
What to verifyDHCR rent history, registration, leases/riders and the legal basis for stabilization.
Remember: A tenant/unit protection - not an affordability financing program.
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Legacy rent-regulation law

Rent ControlNew York Rent Control

What it is used forProtects a limited set of continuously occupied older tenancies under New York's rent-control system.
Main clockTenant-history dependent rather than a project affordability term.
Can it end / what may survive?Can end when the qualifying tenancy ends or other legal conditions change; property-level data alone is not enough.
What to verifyTenant occupancy history and HCR records.
Remember: A tenancy-history protection, not a building subsidy.
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Tenant-stability / anti-displacement law

Good CauseGood Cause Eviction

What it is used forCreates eviction and rent-increase protections for many otherwise unregulated tenancies, subject to statutory coverage and exemptions.
Main clockNot an affordability expiration clock; coverage turns on current statutory and tenant/building facts. HCR's current notice and guidance should be checked because implementation materials can be updated.
Can it end / what may survive?Coverage can change with tenancy/property facts or law; it should be screened, not automatically declared from public data.
What to verifyBuilding size/age/ownership facts, rent level, tenancy facts, statutory exemptions and the current HCR Good Cause notice.
Remember: Stability protection, not an affordability covenant.
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Preservation financing & intervention tools

Preservation financing / recapitalization program

LIHTC Year 15 PreservationHPD LIHTC Preservation (Year 15) Program

What it is used forRehabilitates and recapitalizes existing LIHTC properties approaching or reaching the Year 15 investor-exit/compliance milestone while extending long-term affordability.
Main clockTriggered by the property's LIHTC lifecycle rather than creating one universal original program term. Current HPD options can include tax exemptions of up to 40 or 60 years depending on the exemption, low-interest loans and mortgage modifications; loan structures can run 30 to 40 years.
Can it end / what may survive?It is an intervention used to create a new preservation deal; the resulting affordability term depends on the new tax exemption, loans and regulatory agreement.
What to verifyExisting LIHTC deal, investor exit, physical/financial needs, current HPD term sheet, new financing, tax exemption and new regulatory agreement.
Remember: A separate HPD preservation program for LIHTC properties around Year 15 — not the same thing as 420-c, although 420-c can be one tax-exemption tool in a preservation transaction.
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Preservation financing for HUD-assisted housing

HUD Multifamily PreservationHPD HUD Multifamily Program

What it is used forProvides City financing/tax exemptions to rehabilitate, recapitalize and preserve privately owned HUD-assisted rental housing.
Main clockUsually responds to a HUD-assisted property's recapitalization, physical-needs and contract-preservation cycle rather than one universal term; HPD's current loan program lists a 30-year loan term.
Can it end / what may survive?The preservation transaction creates or extends obligations through its financing and regulatory documents.
What to verifyHUD assistance/HAP contract, use agreement, physical needs, current HPD term sheet, financing and new/extended affordability documents.
Remember: City preservation financing aimed specifically at HUD-assisted properties.
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Article XI preservation tax-exemption program

HPOHousing Preservation Opportunities Program

What it is used forPreserves privately owned multifamily rental and limited-equity cooperative housing when physical needs can be addressed without an HPD loan.
Main clockHPD currently offers full or partial Article XI tax exemptions for up to 40 years.
Can it end / what may survive?The Article XI exemption has a term; the regulatory agreement and preservation transaction determine the affordability obligations that accompany it.
What to verifyHDFC structure, Article XI approval, term sheet, regulatory agreement and property condition/financing plan.
Remember: Preservation when the main need is tax relief rather than an HPD rehab loan.
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Supportive-housing preservation financing

SPPSupportive Preservation Program

What it is used forStabilizes and preserves existing supportive housing with continuing City or State social-service contracts by combining tax exemptions, below-market loans and/or HPD mortgage modifications.
Main clockA preservation transaction rather than one universal statutory clock. Current HPD materials describe minimum 30-year loan structures with terms that can extend to 40 years, while the social-service contract remains a separate layer.
Can it end / what may survive?The financing, affordability agreement and service contract are separate clocks. SPP does not itself modify the social-service contract.
What to verifyCurrent SPP term sheet, service contract, financing, tax exemption, HPD debt and regulatory agreement.
Remember: New in 2026: preservation program specifically for existing supportive housing.
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Moderate-rehab preservation loan program

CPARCapital Partnership for Affordable Renovation

What it is used forCombines HPD subsidy and participating-lender financing for multifamily buildings that can support new private debt but need moderate rehabilitation.
Main clockHPD currently describes a 30-year below-market loan. Borrowers enter a regulatory agreement for at least the term of the loan and/or tax exemption.
Can it end / what may survive?The loan and tax exemption have terms; the regulatory agreement sets the actual rent/income restrictions and requires covered units to be rent stabilized during the applicable period.
What to verifyCurrent CPAR term sheet, participating-lender financing, tax exemption and regulatory agreement.
Remember: Moderate rehab + private lender + HPD gap subsidy, with a regulatory agreement attached.
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Deep-rehab / limited-private-debt preservation financing

HRPMultifamily Housing Rehabilitation Loan Program

What it is used forProvides low-interest loans and tax exemptions to multifamily properties that cannot leverage enough private debt to complete needed rehabilitation.
Main clockHPD's current program materials describe a minimum 30-year loan term with a repayable balloon term of up to 40 years.
Can it end / what may survive?The financing term is not automatically the same as the affordability term; the tax exemption and regulatory agreement must be read as separate layers.
What to verifyCurrent HRP term sheet, loan documents, tax exemption, regulatory agreement and unit/rent requirements.
Remember: Use when the building needs rehab but cannot carry conventional private debt on its own.
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Preservation financing / acquisition-rehabilitation family

PLP / TPT / MPLPParticipation Loan Programs

What it is used forPLP provides gap financing with private and public sources for privately owned housing; TPT and MPLP support acquisition and rehabilitation of designated distressed or City/Neighborhood Restore properties.
Main clockProject-specific financing, tax-exemption and regulatory-agreement terms; there is no single family-wide expiration date.
Can it end / what may survive?Each preservation transaction creates its own financing and affordability clocks.
What to verifyWhich program subtype applies, financing package, ownership transfer, tax exemption and regulatory agreement.
Remember: A family of preservation deals - identify the subtype before trying to interpret the clock.
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Acquisition + rehabilitation preservation program

Neighborhood PillarsNeighborhood Pillars Program

What it is used forHelps qualified mission-driven sponsors acquire and rehabilitate distressed multifamily buildings while preserving affordability.
Main clockCurrent HPD materials require a regulatory agreement for at least the 30-year loan term and/or tax exemption and permanent affordability for at least 30% of units.
Can it end / what may survive?Some project obligations are term-limited while a permanent-affordability component applies to at least part of the project; the executed regulatory agreement controls the property-specific mix.
What to verifyAcquisition structure, loan/tax-exemption term, unit set-asides and executed regulatory agreement.
Remember: Acquisition preservation: a useful bridge from distressed private ownership toward mission-driven stewardship.
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Documents that often control the real answer

Governing legal document

Regulatory AgreementProperty-specific regulatory agreement / restrictive covenant

What it is used forSets project-specific affordability, income, rent, occupancy, monitoring and sometimes transfer/refinancing requirements tied to public financing or tax benefits.
Main clockWhatever term the agreement actually states; it may be longer than the subsidy or tax benefit that helped finance the property.
Can it end / what may survive?Fixed-term, permanent, renewable or conditional depending on the document. Amendments and later agreements can supersede or layer on top of earlier terms.
What to verifyThe recorded/executed agreement itself, amendments, subordination documents and agency records.
Remember: When the headline program and the actual deal seem to conflict, the governing document is often where the answer lives.
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Recorded affordability covenant

Restrictive DeclarationRecorded restrictive declaration

What it is used forRecords affordability and program restrictions against the property for programs such as 421-a(16), 485-x and 467-m.
Main clockProgram/document-specific; some declarations implement permanent restrictions and others fixed compliance periods.
Can it end / what may survive?Depends on the statute and declaration. Do not assume the tax-benefit term controls it.
What to verifyACRIS-recorded declaration plus the agency's approved application/workbook and later amendments.
Remember: The recorded document that can make the protection run with the property.
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Additional affordability & regulatory families

Zoning-linked affordability + recorded restrictive declaration

Inclusionary HousingNYC Inclusionary Housing family (MIH / UAP / vested VIH / AQRS / Cure)

What it is used forCreates or preserves affordable housing through NYC zoning-linked programs. The current family includes Mandatory Inclusionary Housing, Universal Affordability Preference, vested Voluntary Inclusionary Housing, Affordable Qualifying Residential Sites and Cure mechanisms.
Main clockSubtype-specific. MIH requires permanently affordable housing, and UAP additional homes are permanently income-restricted. The recorded restrictive declaration is a key property-level source.
Can it end / what may survive?Do not infer an end date from the zoning approval alone. Permanent subtypes run with the land; older/vested or cure structures require the applicable declaration and generation rules.
What to verifyProgram subtype, mapped/zoning history, HPD application, recorded restrictive declaration, generating-site/compensated-development relationship where relevant, unit/floor-area schedule and amendments.
Remember: If zoning created the affordability, find the restrictive declaration. MIH/UAP can be permanent.
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Federal capital-advance / rental-assistance family

Section 811Section 811 Supportive Housing for Persons with Disabilities

What it is used forSupports integrated affordable housing for very-low- and extremely-low-income persons with disabilities through legacy capital advances and project rental assistance structures.
Main clockGeneration matters. Traditional capital-advance projects carry at least a 40-year affordability obligation. Project rental assistance has its own renewable contract clock; Section 811 PRA can also be layered into properties financed through LIHTC, HOME or other sources.
Can it end / what may survive?Capital-advance affordability and rental-assistance contracts are separate clocks. A contract milestone does not by itself establish the end of every affordability/use restriction.
What to verifyWhether the property is a traditional Section 811 capital-advance project or PRA-assisted property, affordability/use agreement, rental-assistance contract, assisted-unit count, amendments and any RAD conversion.
Remember: Section 811 = disability housing. Separate the long affordability obligation from the rental-assistance contract.
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Additional rental-assistance & tenant-protection programs

City project-based rental assistance for supportive housing

NYC 15/15NYC 15/15 Project-Based Rental Assistance

What it is used forProvides project-based rental assistance to supportive housing. HPD's current program expressly includes owners seeking to preserve or rehabilitate existing supportive housing with City-administered service contracts.
Main clockThe initial NYC 15/15 Rental Assistance Contract can run up to 15 years. HPD requires an existing or new/extended HPD regulatory agreement that covers the life of the Rental Assistance Contract, so the assistance contract and affordability agreement must be tracked separately.
Can it end / what may survive?The rental-assistance contract has a term and may be renewed or replaced under then-current rules; the regulatory agreement and other affordability/supportive-housing restrictions may have different clocks.
What to verifyNYC 15/15 award, assisted-unit count, RAC/ARAC execution and term, supportive-service contract, HPD regulatory agreement and amendments, and any SPP or other preservation financing layered into the property.
Remember: NYC 15/15 = City project-based supportive-housing assistance. RAC clock is not automatically the affordability clock.
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Legacy federal project-based rental assistance

Section 8 Mod RehabSection 8 Moderate Rehabilitation / Mod Rehab SRO

What it is used forProvides project-based rental assistance through long-term contracts with private owners. Mod Rehab and Mod Rehab SRO properties can also enter preservation transactions or convert through RAD to long-term PBV or PBRA contracts.
Main clockContract- and conversion-specific. The existing Mod Rehab HAP contract is one clock; a RAD conversion can replace it with a new long-term PBV or PBRA structure and accompanying use restrictions.
Can it end / what may survive?A Mod Rehab contract can reach a renewal/conversion milestone, but that does not establish that every affordability or resident protection ends. RAD and other preservation tools can change the assistance structure.
What to verifyAdministering PHA/HUD record, current Mod Rehab or Mod Rehab SRO contract, assisted units, expiration/renewal status, RAD conversion status, replacement HAP contract and use restrictions.
Remember: Mod Rehab is its own legacy project-based Section 8 lane — don't collapse it into PBRA or PBV before checking the contract.
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Tenant-specific rent-freeze protection

SCRIE / DRIESenior Citizen / Disability Rent Increase Exemption (NYC Rent Freeze)

What it is used forFreezes eligible tenants' rent while the City provides a property-tax credit to compensate the owner for covered increases. It can apply in rent-regulated, Mitchell-Lama, Section 236 and qualifying HDFC housing.
Main clockTenant-specific eligibility and benefit period. This is not a building-wide affordability covenant and should be modeled in the Tenant Protection Stack rather than as a property expiration date.
Can it end / what may survive?Eligibility can change and benefits require renewal/continued qualification. The tenant's underlying rent regulation, subsidy or building affordability restrictions remain separate protections.
What to verifyTenant eligibility, current SCRIE/DRIE benefit status, frozen rent, apartment/program type, renewal history and the underlying building/unit protection.
Remember: SCRIE/DRIE freezes an eligible tenant's rent; it does not create one building-wide affordability clock.
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Public & preservation system families

Public-housing preservation conversion + Project-Based Section 8

RAD / PACTRental Assistance Demonstration / NYCHA Permanent Affordability Commitment Together

What it is used forModernizes NYCHA developments by using the federal RAD pathway to transition properties from Section 9 public-housing subsidy to Project-Based Section 8 and finance comprehensive repairs.
Main clockConversion creates a new assistance and use-restriction structure rather than one simple expiration date. NYCHA states PACT homes remain permanently affordable and resident rights are preserved.
Can it end / what may survive?Do not treat conversion to Section 8 as privatization of the affordability clock or as a generic PBV/PBRA expiration. PACT/RAD documents, land/building control, HAP structure and resident protections must be read together.
What to verifyRAD/PACT conversion status, closing date, HAP contract/type, ground lease or ownership documents, use agreement, resident-rights documents, financing and later amendments.
Remember: PACT is NYCHA's RAD pathway: Section 9 -> Project-Based Section 8 + rehabilitation, with permanent affordability promised in the program structure.
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100% public NYCHA preservation + Section 8 financing pathway

Public Housing Preservation TrustNew York City Public Housing Preservation Trust

What it is used forAllows selected NYCHA developments to access additional federal Section 8 subsidy and bond financing for comprehensive modernization while NYCHA remains permanent owner and manager.
Main clockNYCHA remains permanent owner; the Trust receives a long-term ground lease that NYCHA says is renewed every 99 years. Program materials state homes remain permanently affordable and resident rights/use restrictions are embedded in the land.
Can it end / what may survive?This is not the same structure as PACT. Do not collapse the Trust into a generic Section 8 conversion; its public ownership, ground lease and statutory resident protections are distinct.
What to verifyResident-vote outcome, Trust conversion/closing, ground lease, Section 8 assistance contract, bond/financing documents, land-use restrictions and later amendments.
Remember: Trust = NYCHA stays owner and manager; a public entity + renewable long ground lease unlocks Section 8/bond rehabilitation funding.
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City preservation financing / bond program

HDC PreservationNYC Housing Development Corporation Preservation Program family

What it is used forUses HDC funds and financing to acquire, rehabilitate, recapitalize and upgrade existing multifamily housing, including a separate PACT Preservation pathway for NYCHA properties.
Main clockTransaction-specific. HDC financing, mortgage/bond maturity, regulatory agreement, tax exemption and any rental-assistance contract must be modeled as separate clocks.
Can it end / what may survive?The financing has a term, but the affordability restriction can be governed by a different/longer regulatory agreement or assistance layer.
What to verifyExact HDC program/term sheet, HDC project/loan identifiers, mortgage and bond documents, regulatory agreement, tax exemption, LIHTC or Section 8 overlap and closing amendments.
Remember: HDC is its own preservation-finance lane - don't mistake an HDC loan term for the affordability end date.
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State preservation loans / subsidy / tax-credit recapitalization

HCR Preservation FinanceNew York State HCR/HFA preservation financing family

What it is used forPreserves regulated and subsidized housing through current programs including Multifamily Preservation, Mitchell-Lama lending, Supportive Housing Preservation, LIHTC Year 15/30 Preservation, Public Housing Preservation and other targeted term sheets.
Main clockProgram- and project-specific. State loan, tax-credit, mortgage and regulatory-agreement clocks can differ, and an older subsidy layer may remain relevant after recapitalization.
Can it end / what may survive?A state preservation loan reaching maturity is not automatically the end of affordability; the executed HCR/HFA regulatory agreement and overlapping subsidy/use restrictions control the property-specific answer.
What to verifyExact HCR/HFA program and term-sheet vintage, project financing, mortgage maturity, LIHTC/SLIHC generation, regulatory agreement, assisted units and amendments/refinancing.
Remember: New York State has its own preservation toolbox - identify the exact term sheet and then find the regulatory agreement.
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Resident/community ownership + stewardship preservation

Community-Controlled PreservationANCP / TIL / Community Land Trust / HCR CCAH & CLT Support family

What it is used forMoves or keeps housing in resident-controlled, cooperative, nonprofit or community-land-trust stewardship while pairing ownership/governance with public financing and affordability restrictions. HCR also operates both Community Controlled Affordable Housing and a Community Land Trust Support Program for NYC community-control capacity and preservation.
Main clockStructure-specific. HPD CLT projects typically use regulatory agreements with 30-60 years of initial affordability protections that can be extended indefinitely, plus ground leases typically lasting 99 years with automatic renewal. Cooperative/HDFC agreements can have separate terms.
Can it end / what may survive?The public subsidy, regulatory agreement, HDFC restrictions and CLT ground lease are different layers. Community control should be modeled as a stewardship/governance layer rather than reduced to one subsidy clock.
What to verifyOwnership entity, HDFC/co-op documents, CLT ground lease, regulatory agreement, enforcement mortgage, resale formula, public financing, governance requirements, CCAH/CLT Support participation and later amendments.
Remember: Community control is a protection layer of its own: who owns/stewards the land can matter long after a particular subsidy closes.
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Publicly funded tenant-organizing & anti-displacement intervention

Partners in PreservationNYC HPD Partners in Preservation (PiP)

What it is used forFunds tenant-organizing groups to help residents form tenant associations, address unsafe conditions and harassment, connect to legal/code-enforcement resources and prevent displacement. It is an intervention pathway rather than an affordability covenant.
Main clockNo property-level affordability clock. The relevant state is whether a building is being organized/supported and what enforcement, legal or preservation actions follow.
Can it end / what may survive?Program funding/coverage can change, but tenant organizing and any resulting legal, regulatory or preservation protections are separate. Do not describe PiP itself as a restriction on the deed or rent.
What to verifyCurrent PiP geography/partner, tenant-association engagement, referrals/actions opened, enforcement/legal outcomes and any separate preservation transaction that follows.
Remember: PiP = City-funded organizing. It helps tenants create leverage; it is not itself a deed restriction.
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Legacy federal preservation mechanisms

Legacy federal mortgage + use-restriction family

Legacy HUD Mortgage / Use AgreementsSection 236 / 221(d)(3) BMIR / ELIHPA / LIHPRHA / pre-1974 Section 202 / related HUD use restrictions

What it is used forRepresents older HUD financing and preservation structures whose mortgage maturity, use agreement and project-based assistance can continue on different timelines, including Section 236 preservation and pre-1974 Section 202 direct-loan preservation/SPRAC structures.
Main clockMortgage maturity is one clock, not the answer. HUD's preservation infrastructure separately tracks rental assistance, use agreements, restructured debt and legacy direct-loan preservation.
Can it end / what may survive?A subsidized mortgage can mature while a HAP contract, use agreement, SPRAC/RAD structure, state/local law or other protection continues. Some preservation use agreements impose their own long-term restrictions.
What to verifyFHA/HUD mortgage program and maturity, iREMS/FHA identifiers, HAP/SPRAC/PRAC contract, ELIHPA/LIHPRHA/other use agreement, Plan of Action, recorded restrictions, prepayment and later recapitalization.
Remember: Old HUD mortgage ending does NOT automatically mean affordability ending. Always look for the separate assistance/use agreement.
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HUD PBRA restructuring / transfer / preservation tools

Federal PBRA Preservation ToolsMark-to-Market / Post-M2M / BBRA / Section 8(bb) / Section 8 Preservation Efforts

What it is used forPreserves project-based Section 8 through debt restructuring, post-Mark-to-Market rent adjustments, HAP renewal/transfer, capital-repair transactions and transfers to preservation-oriented ownership rather than treating contract milestones as automatic loss.
Main clockTool-specific. Mark-to-Market can restructure HUD/FHA debt while renewing Section 8; Post-M2M Budget Based Rent Adjustments can stabilize eligible restructured properties; Section 8(bb) can transfer remaining PBRA budget authority when a HAP terminates or expires without renewal.
Can it end / what may survive?These are intervention pathways, not one universal restriction term. The resulting HAP contract, use agreement, restructured debt and transaction documents determine the new clocks.
What to verifyOriginal and replacement HAP contracts, Mark-to-Market/Post-M2M use agreement and debt, BBRA approval, 8(bb) approval/receiving property, Preservation Efforts transaction documents and subsequent amendments.
Remember: A Section 8 contract problem can trigger a preservation tool - not necessarily an affordability cliff.
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Additional New York State affordability programs

State capital subsidy + long-term low-income use restriction

NYS Housing Trust FundNew York State Low-Income Housing Trust Fund Program (HTF)

What it is used forNew York State's Housing Trust Fund Corporation uses this separate state program to finance construction, rehabilitation of vacant/distressed/underused residential property, and conversion of underused nonresidential property for low-income housing.
Main clockHCR states that project sponsors must ensure long-term use by low- and/or very-low-income people for 15-30 years. The exact project documents and other layered financing can require additional or longer restrictions.
Can it end / what may survive?The state HTF use period has a defined project term, but other LIHTC, HOME, HFA/HCR, local or recorded restrictions may continue. Do not confuse this state program with the separate federal Housing Trust Fund.
What to verifyHTFC/HCR award, Capital Programs Manual generation, project agreement/regulatory documents, assisted units, affordability term and all overlapping federal/state/local layers.
Remember: Two different HTFs exist: federal HTF and New York State's Low-Income Housing Trust Fund. Identify which one funded the property.
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Public housing foundations & transition protections

Federal public-housing subsidy + public ownership/governance regime

NYCHA / Section 9Traditional Section 9 Public Housing

What it is used forTraditional NYCHA public housing remains funded through the federal Section 9 public-housing structure. It is a distinct current housing regime rather than merely a pre-conversion status.
Main clockThere is no single property affordability expiration analogous to a tax-benefit end date. Operations and capital funding depend on the federal public-housing framework and annual appropriations; any proposed conversion or disposition has its own legal process and resident-rights requirements.
Can it end / what may survive?A development can remain Section 9 or later enter a HUD-approved repositioning/conversion pathway. Do not treat a potential PACT/Trust discussion as proof that Section 9 has ended before the actual approval/conversion occurs.
What to verifyNYCHA development identity, current Section 9 status, resident-vote/repositioning history, HUD approvals, Annual Contributions Contract/public-housing inventory status and any later conversion/closing documents.
Remember: Section 9 is the traditional public-housing regime itself. PACT and the Trust are alternatives to it, not synonyms for it.
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Section 9 public-housing capital preservation + whole-development modernization

NYCHA Comprehensive ModernizationNYCHA Comprehensive Modernization (Comp Mod)

What it is used forUses direct capital investment to comprehensively rehabilitate selected NYCHA campuses and buildings while NYCHA continues to manage and operate the property. NYCHA has expressly described Comp Mod projects as remaining in the Section 9 public-housing program.
Main clockComp Mod is a capital-rehabilitation pathway, not a conversion to a new affordability clock. Project funding, design and construction have schedules, while the development remains governed by the Section 9 public-housing framework unless a separate later legal action changes that status.
Can it end / what may survive?Completion of the capital project does not itself end Section 9 status or create a market-rate conversion. Any later PACT, Trust, Section 18 or other repositioning action would be a separate process that must be verified independently.
What to verifyNYCHA development identity, Comp Mod selection and scope, project funding and construction status, resident-engagement records, current Section 9 status, and any later HUD/NYCHA repositioning approvals.
Remember: Comp Mod = comprehensive rehabilitation while staying Section 9. Do not confuse capital modernization with a Section 8 conversion.
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Public-housing conversion, disposition and replacement-assistance mechanisms

Public Housing RepositioningHUD Section 18 / RAD-Section 18 / other public-housing repositioning pathways

What it is used forHUD permits multiple ways to reposition public housing, including Section 18 demolition/disposition and RAD/Section 18 blends. Other statutory pathways can include voluntary or required conversion and homeownership/disposition options.
Main clockProcess-specific. A Section 18 approval can remove units from the public-housing program and trigger Tenant Protection Vouchers; RAD/Section 18 blends combine RAD conversion with Section 18 assistance and replacement requirements. Approval, relocation, HAP/PBV conversion and use-restriction clocks are separate.
Can it end / what may survive?Resident protections differ materially by pathway. HUD states that RAD and Section 18/SVC do not provide identical rights, so never label a repositioning simply 'Section 8 conversion' without identifying the authority used.
What to verifyExact HUD repositioning authority, PHA Plan/resident consultation, SAC/RAD approvals, unit treatment, TPVs, right-to-return/relocation terms, replacement PBV/PBRA contracts, ownership/use restrictions and closing documents.
Remember: Public-housing change has a legal pathway. Section 18 is not RAD, and a RAD/Section 18 blend is not pure RAD.
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Tenant-specific protection/relocation rental assistance triggered by housing conversion actions

Enhanced / Tenant Protection VouchersEnhanced Vouchers and HUD Tenant Protection Vouchers (TPVs)

What it is used forProtects eligible HUD-assisted households when actions such as mortgage prepayment, project-based opt-out, enforcement, public-housing disposition or other conversion events would otherwise jeopardize existing assistance.
Main clockTenant- and event-specific rather than a building-wide restriction term. Enhanced voucher payment rules can allow an eligible family to remain after certain multifamily conversions; replacement and relocation TPVs have different reissuance rules.
Can it end / what may survive?Voucher eligibility and assistance can change under program rules, and moving can change the applicable payment standard. The voucher does not by itself preserve the old building-wide covenant, so the property transition and the household protection must be modeled separately.
What to verifyTriggering conversion action, tenant eligibility, voucher type (enhanced/replacement/relocation), administering PHA, payment standard/minimum rent, move/portability rules and the status of the former or replacement property assistance.
Remember: When a building-level HUD protection changes, ask what happens to the people. Enhanced/TPV assistance is the tenant-protection side of the transition.
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Preservation restructuring & permanent stewardship

NYC preservation restructuring law + condominium conversion + permanent affordability

Affordable Housing Retention ActAffordable Housing Retention Act (AHRA) / General Business Law § 352-eeeee

What it is used forCreates a specialized preservation-plan pathway for qualifying New York City rental projects with at least 100 units built after 1996. A qualifying plan can separate market-rate and income-restricted units through condominium ownership while placing the income-restricted units under HDFC, community-land-trust or qualifying nonprofit stewardship and a new housing-agency regulatory agreement.
Main clockFor a consummated preservation plan, the statute defines the extended affordability term for the income-restricted rental units as in perpetuity while the development exists, subject to the regulatory agreement. The statute itself is currently scheduled to repeal on November 5, 2031, but rights granted under completed preservation plans survive expiration or amendment of the statute.
Can it end / what may survive?The statutory filing pathway has a sunset and an individual plan can fail to become effective or be abandoned. But a consummated plan requires existing income-restricted units to remain restricted in perpetuity under the new regulatory agreement; the statute also protects non-purchasing tenants and allows qualifying affordable units to convert to limited-equity cooperative ownership while retaining permanent low-income restrictions.
What to verifyProject size and post-1996 construction, governing affordability source (such as qualifying 421-a, LIHTC, bond financing or inclusionary housing), housing-finance-agency eligibility/support letter, preservation plan and Attorney General filings, qualified owner, executed regulatory agreement, condominium declaration, income-restricted unit schedule and consummation/closing status.
Remember: Not every condo conversion means affordability loss: AHRA can carve the affordable units into permanent HDFC/CLT/nonprofit stewardship.
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Enforcement & building-rescue interventions

Anti-harassment permit restriction + tenant displacement protection

Certification of No HarassmentNYC Certification of No Harassment (CONH)

What it is used forRequires owners of certain SROs, buildings in designated special districts, and buildings covered by the current CONH pilot to obtain an HPD certification before specified demolition, change-of-use/occupancy or major alteration work can proceed. HPD investigates whether harassment occurred during the applicable inquiry period.
Main clockThe building's CONH coverage basis, harassment inquiry period, application/determination and any denial-related permit restriction are separate milestones. The current pilot is scheduled to run through September 27, 2026; SRO and special-district CONH requirements have separate continuing legal bases.
Can it end / what may survive?Coverage depends on the applicable law, zoning district, building type or pilot list. A denial can block covered alteration/demolition permits for a period of years and may trigger low-income housing requirements or options depending on the CONH regime. A pending Council proposal would make the pilot permanent, but that proposal is not current law unless enacted.
What to verifyWhy the property is subject to CONH, current pilot/special-district/SRO status, inquiry period, HPD application and determination, OATH findings where applicable, permit restrictions, cure/affordable-housing obligations and any later statutory changes.
Remember: Before an owner can materially alter or demolish certain vulnerable buildings, CONH asks whether tenants were harassed out first.
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Court-appointed building administration + tenant-safety preservation intervention

7A AdministrationNew York Real Property Actions and Proceedings Law Article 7-A / NYC HPD 7A Program

What it is used forAllows Housing Court to appoint a qualified administrator to operate a privately owned building where dangerous conditions threaten tenants' life, health or safety. The administrator collects rents, provides essential services and makes necessary repairs; HPD can also provide limited 7A Financial Assistance for major systems or other repairs in some buildings.
Main clockCourt- and building-specific rather than an affordability expiration. The important lifecycle is the 7A petition/order, administrator appointment and management period, repair/capital work, court oversight and eventual disposition or return of control.
Can it end / what may survive?A 7A administration can end through court action when the legal basis for administration is resolved. Ending 7A does not itself determine rent regulation, subsidy status or affordability; those protections must be tracked separately.
What to verifyHousing Court 7A petition and order, appointed administrator, current administration status, HPD monitoring, 7A Financial Assistance or other capital financing, violations/repair status, ownership and all independent rent/subsidy protections.
Remember: 7A can change who runs a dangerous private building without changing who holds the deed—an emergency building-rescue tool, not an affordability covenant.
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Specialized tenant protection regimes

Tenant protection + building legalization + eventual rent-regulation pathway

Loft Law / IMDNew York City Loft Law / Interim Multiple Dwelling protections

What it is used forProtects qualifying residential occupants in certain former commercial, manufacturing or warehouse buildings while the building is legalized for residential use. Covered tenants have rights to remain, housing services, limits on rent increases and protection against harassment, and the protections survive a sale of the building.
Main clockLegalization milestones and tenant status matter rather than one affordability expiration date. After legalization and the required Loft Board order, a protected occupant must be offered a rent-regulated lease under the Emergency Tenant Protection Act.
Can it end / what may survive?Loft Board jurisdiction can end after legalization or another lawful disposition of coverage, but the tenant may transition into rent regulation. Sale of the building does not itself eliminate Loft Law rights.
What to verifyLoft Board IMD/coverage status, protected-occupant status and primary residence, legalization milestones, Loft Board orders, residential Certificate of Occupancy, rent history and any post-legalization rent-regulated lease.
Remember: Loft Law is a legalization regime with real tenant rights: IMD protection can lead into rent regulation rather than simply disappear when the building becomes legal.
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Research and issue-spotting guide only. It is not legal advice or a legal determination about a particular apartment or building. Program generations, tenant history and property-specific agreements can change the result.

This edition was checked against the cited primary government sources through August 14, 2026. Statutes, agency rules, term sheets, AMI workbooks, forms, guidance and program availability can change after that date. Re-check the linked primary source before relying on a program rule in a live preservation matter.

Affordable Forever should use this same rules layer behind the building-level Preservation Brief. That way the learning library, future downloadable Field Guide and building analysis do not drift into three different explanations of the same program.

August 14, 2026 edition · last verified August 14, 2026.