This inventory as of Spring 2025 includes the County’s affordable and permanent supportive housing pipeline
since the 2018 Housing Funding Strategy.
Affordable Housing Units
Affordable housing units are low-income units restricted to households earning 80% of the area median income (AMI) or below. In the inventory below the affordable housing unit column includes the on-site property manager unit.
Permanent Supportive Housing (PSH)
Permanent housing with indefinite leasing or rental assistance paired with supportive services to assist people
experiencing homelessness achieve housing stability.
MHSA Units
Units designated for individuals experiencing homelessness who are living with a serious mental disorder as defined in WIC 5600.3(b), verified by a State Licensed Mental Healthcare Professional and has been deemed to meet the MHSA Housing Program eligibility (MHSA Certified) by HCA MHSA Housing Program staff.
Service Planning Area (SPA)
A Service Planning Area (SPA) is a designated geographical division created to facilitate better coordination and delivery of housing resources and supportive services to eligible individuals.
| North SPA |
| Anaheim | Fullerton | Orange | Yorba Linda |
| Brea | La Habra | Placentia | County Unincorporated |
| Buena Park | La Palma | Stanton | |
| Cypress | Los Alamitos | Villa Park | |
| Central SPA |
| Costa Mesa | Huntington Beach | Seal Beach | Westminster |
| Fountain Valley | Newport Beach | Tustin | County Unincorporated |
| Garden Grove | Santa Ana | | |
| South SPA |
| Aliso Viejo | Laguna Hills | Lake Forest | San Clemente |
| Dana Point | Laguna Niguel | Mission Viejo | San Juan Capistrano |
| Irvine | Laguna Woods | Rancho Santa Margarita | County Unincorporated |
| Laguna Beach | | | |
