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The largest public housing authorities in the US.

The 27 biggest US public housing agencies ranked by the Housing Choice Vouchers and public housing units they manage, with what housing authorities buy and how they buy it.

Updated November 8, 2026 · By Mike Dombo, Kensington Sales Group · 6-minute read

Key takeaways

  • NYCHA is in a class of its own, with about 260,000 vouchers and public housing units, more than three times the next-largest agency.
  • Chicago, Puerto Rico, Los Angeles and New York State's HCR round out the top five.
  • Four of the 27 largest are state agencies that run voucher programs statewide: New York, Michigan, New Jersey and Massachusetts.
  • Many big agencies are converting public housing to Section 8 through RAD, which shifts spending toward redevelopment, construction and property management.

Public housing authorities (PHAs) are local public agencies that run HUD's rental assistance programs. The largest ones manage tens of thousands of units and spend heavily on maintenance, construction, security, software and services. This list ranks the biggest by the vouchers and public housing units they manage.

The largest US public housing authorities

Ranked by Housing Choice Vouchers plus public housing units. The first column shows the area each agency serves.

#Housing authorityVouchers + public housingStateNotes
1New York City Housing Authority (NYCHA)New York CityAbout 260,900107,979 vouchers + 152,926 public housing units (FY2026 plan)NYLargest housing authority in the country by far, serving more than 511,000 residents, with the largest Section 8 program (about 110,000 households). Converting public housing to Section 8 through its PACT program.
2Chicago Housing Authority (CHA)City of Chicago72,32059,813 vouchers + 12,507 public housing unitsILServes about 65,500 households; a Moving to Work agency with one of the largest voucher programs in the US.
3Puerto Rico Public Housing Administration (PRPHA)Commonwealth of Puerto Rico62,04212,435 vouchers + 49,607 public housing unitsPRHUD's inspector general calls it the second-largest public housing authority, by public housing units.
4Housing Authority of the City of Los Angeles (HACLA)City of Los Angeles58,62252,645 vouchers + 5,977 public housing unitsCASecond-largest voucher program after NYCHA.
5New York State Homes and Community Renewal (HCR)State of New York (statewide voucher program)51,38351,383 vouchers + 0 public housing unitsNYState housing agency; runs its voucher program through local administrators across the state, including New York City.
6NYC Department of Housing Preservation and Development (HPD)New York City38,47238,472 vouchers + 0 public housing unitsNYThe city housing department's own Section 8 program, separate from NYCHA's.
7Philadelphia Housing Authority (PHA)City of Philadelphia34,70423,374 vouchers + 11,330 public housing unitsPAOne of the largest public housing landlords in the country; a Moving to Work agency.
8Los Angeles County Development Authority (LACDA)Los Angeles County29,94127,077 vouchers + 2,864 public housing unitsCAServes unincorporated LA County and dozens of cities outside Los Angeles.
9Michigan State Housing Development Authority (MSHDA)State of Michigan (statewide voucher program)About 29,000 familiesAgency figure for households assisted with vouchersMICalls itself the largest statewide public housing agency in the country, with vouchers in all 83 counties. Stopped issuing new vouchers in September 2024 because of a funding shortfall.
10Miami-Dade Public Housing and Community DevelopmentMiami-Dade County27,58821,436 vouchers + 6,152 public housing units (agency plan)FLCounty department; largest housing agency in Florida.
11Housing Authority of Baltimore City (HABC)City of Baltimore26,33920,755 vouchers + 5,584 public housing unitsMDMoving to Work agency; redeveloping older public housing through RAD and mixed-finance deals.
12Cuyahoga Metropolitan Housing Authority (CMHA)Cuyahoga County (Cleveland)Up to 24,782 households15,857 vouchers plus public housingOHLargest housing authority in Ohio; converting public housing through RAD.
13New Jersey Department of Community Affairs (DCA)State of New Jersey (statewide voucher program)24,65224,652 vouchers + 0 public housing unitsNJState agency running vouchers statewide alongside local housing authorities.
14Boston Housing Authority (BHA)City of Boston24,63616,651 vouchers + 7,985 public housing units (2025 plan)MALargest public landlord in New England.
15Atlanta HousingCity of Atlanta23,56221,510 vouchers + 2,052 public housing unitsGAMoving to Work agency that has replaced most traditional public housing with mixed-income communities and vouchers.
16DHA Housing Solutions for North TexasDallas Housing Authority23,30120,330 vouchers + 2,971 public housing unitsTXVouchers can be used across a multi-county area around Dallas.
17Massachusetts Executive Office of Housing and Livable Communities (EOHLC)Commonwealth of Massachusetts (statewide voucher program)22,47522,475 vouchers + 0 public housing unitsMAState agency; administers vouchers through regional nonprofit agencies.
18DC Housing Authority (DCHA)District of Columbia21,70716,356 vouchers + 5,351 public housing unitsDCMoving to Work agency with a large capital backlog in its public housing.
19Houston Housing AuthorityCity of Houston20,96318,741 vouchers + 2,222 public housing unitsTXLargest housing authority in Texas by vouchers.
20Seattle Housing AuthorityCity of Seattle17,53312,545 vouchers + 4,988 public housing unitsWAMoving to Work agency; also owns a large portfolio of locally funded affordable housing.
21San Francisco Housing AuthorityCity and County of San Francisco16,56816,237 vouchers + 331 public housing units (2026 plan)CAHas converted nearly all of its public housing to private management under RAD.
22San Diego Housing CommissionCity of San Diego16,34516,158 vouchers + 187 public housing unitsCAMoving to Work agency and a major affordable housing developer.
23King County Housing AuthorityKing County, outside Seattle13,68111,299 vouchers + 2,382 public housing unitsWAMoving to Work agency serving suburban King County.
24Santa Clara County Housing AuthoritySanta Clara County (San Jose)12,47712,477 vouchers + 0 public housing unitsCAMoving to Work agency serving Silicon Valley.
25Housing Authority of the County of San BernardinoSan Bernardino CountyAbout 11,70011,633 vouchers + a small public housing portfolioCAMoving to Work agency since 2008; also owns more than 2,000 non-public-housing units.
26Orange County Housing AuthorityOrange County11,58611,586 vouchers + 0 public housing unitsCACounty agency; voucher-only.
27Housing Authority of the County of RiversideRiverside County10,21210,212 vouchers + 0 public housing unitsCARated a high performer by HUD.

Sources: HUD Picture of Subsidized Households (start of 2024), as compiled by Affordable Housing Online; agency annual and Moving to Work plans where noted; Michigan State Housing Development Authority; HUD Office of Inspector General. Voucher counts are authorized vouchers, not all of which are in use. MSHDA and Cuyahoga are ranked on agency-reported figures.

How to read the numbers

  • Vouchers are Housing Choice Vouchers (Section 8), which pay part of a tenant's rent to a private landlord. Big voucher programs mean big landlord-outreach, inspection and payment operations.
  • Public housing units are apartments the authority owns and manages. These drive maintenance, capital construction, security and property-management spending.
  • RAD conversions are moving public housing into project-based Section 8 contracts, often with private development partners. An agency's public housing count can drop sharply while its construction spending rises.
  • Moving to Work agencies have HUD waivers that let them blend funding and set local policies, so their budgets and programs can look different from other PHAs.

What's changing in 2026

Voucher funding has been tight. In December 2025, HUD directed housing agencies to stop issuing new vouchers to stay within their budgets, and HUD ended the Emergency Housing Voucher program on April 9, 2026. Several large agencies had already paused new vouchers. For sellers, that means more scrutiny on administrative spending, and more interest in tools that cut costs, speed inspections or improve rent collection.

What housing authorities buy

  • Maintenance and repairs: unit turnover, plumbing, pest control, elevators, roofing, HVAC and lead and mold remediation.
  • Capital construction: modernization and redevelopment funded by HUD's Capital Fund, RAD conversions and mixed-finance deals.
  • Security: guard services, cameras, access control and lighting.
  • Technology: housing and voucher management software, resident and landlord portals, accounting systems and cybersecurity.
  • Inspections and services: NSPIRE inspections, energy audits, legal services, resident services and workforce programs.

How housing authorities buy

Because they spend federal money, PHAs follow the federal procurement standards in 2 CFR 200 along with HUD's procurement rules and state and local law. Small purchases can use quotes; larger ones go out as public bids or RFPs, and big contracts need approval from the agency's board of commissioners. Many PHAs also buy through cooperative contracts; see our cooperative purchasing directory.

  1. Read the PHA plan. Every agency files annual and five-year plans with HUD, and Moving to Work agencies publish detailed MTW plans. They list capital projects, RAD conversions and priorities.
  2. Watch board agendas. Commissioners approve contracts, so agendas show what's being bought and when.
  3. Follow the Capital Fund. HUD's annual Capital Fund awards pay for modernization; see our government grant deadlines for related federal programs.
  4. Register as a vendor. Most large PHAs run their own supplier portals in addition to city, county or state systems; see our state procurement portals.
  5. Reach the right departments. Procurement, asset management, capital construction, voucher operations, IT and public safety are the usual buyers.

How KSG helps

Kensington Sales Group's SDRs book meetings with public agencies across Federal, SLED, K-12 & Higher Ed, Healthcare, Tribal, Special Districts and Utilities, including housing authorities. We find the procurement, operations, IT and capital teams at each agency and time outreach to PHA plans and board cycles. See how our B2G lead generation works.

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FAQ

Frequently asked questions

What is the largest public housing authority in the US?
The New York City Housing Authority (NYCHA) is the largest by far, with about 153,000 public housing apartments and 108,000 Housing Choice Vouchers, serving more than 500,000 residents. Chicago, Puerto Rico and Los Angeles follow.
What is the difference between public housing and Housing Choice Vouchers?
Public housing is owned and managed by the housing authority itself. Housing Choice Vouchers (Section 8) pay part of the rent for apartments that tenants find from private landlords. Both are funded by HUD and run by local public housing agencies.
How many public housing authorities are there?
About 3,300 public housing agencies operate in the US. Most are small: a few dozen of the largest agencies manage a large share of all vouchers and public housing units.
What is RAD?
The Rental Assistance Demonstration (RAD) lets housing authorities convert public housing to long-term Section 8 contracts, so they can borrow against the properties and fund repairs. Many large agencies are converting much of their public housing this way.
How do public housing authorities buy?
Housing authorities spend federal money, so they follow the federal procurement standards in 2 CFR 200, HUD's procurement rules and state and local law. Larger purchases go out as public bids or RFPs and are approved by the agency's board of commissioners.
What do housing authorities spend money on?
Common purchases include maintenance and repair services, capital construction and modernization, elevators, roofing and HVAC, security services and cameras, property and voucher management software, inspection services, energy upgrades and resident services.
How current is this list?
Most figures are from HUD's Picture of Subsidized Households at the start of 2024, as compiled by Affordable Housing Online. Where an agency has published a newer annual plan, we used its own numbers and noted it. We'll update the list as HUD releases new data.
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