Rent control rules in Los Angeles County, CA — also known as rent stabilization or rent cap ordinances — limit annual rent increases and protect tenants from displacement.
Unincorporated LA County has its own Rent Stabilization Ordinance (RSO) effective April 1, 2020, with amendments effective January 1, 2025. Fully covered units (2+ units, pre-Feb 1995) have rent increase caps. Partially covered units have just-cause only protections.
Unincorporated LA County's Rent Stabilization Ordinance (RSO), effective April 2020, caps annual rent increases for covered units. Rent increases are limited to a percentage set annually by the county (typically 3-4%, tied to CPI). Covered units include residential rental properties built before February 1, 1995, in unincorporated areas. Exempt from the RSO: single-family homes (unless owned by corporations/REITs), units built after Feb 1995, owner-occupied duplexes, and units with existing affordability covenants. Landlords must provide 30 days notice for increases under 10% and 90 days for increases of 10% or more.
Charging rent above the allowable increase violates the RSO. Tenants can file complaints with the Department of Consumer and Business Affairs at (800) 593-8222. Landlords may be required to refund excess rent collected plus interest. Willful violations may result in additional penalties. Retaliating against tenants who complain about excessive rent increases is separately prohibited under Civil Code 1942.5.
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See how Los Angeles County's rent control rules stack up against other locations.
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