Rent Control: Castaic vs Los Angeles
How do rent control rules compare between Castaic, CA and Los Angeles, CA?
Castaic and Los Angeles have similar restriction levels.
Castaic, CA
Los Angeles County
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.
View full Castaic rules →Los Angeles, CA
Los Angeles County
The LA Rent Stabilization Ordinance (LAMC Chapter XV) covers buildings with 2+ units built before October 1, 1978, approximately 650,000 units or 70% of rentals. Annual rent increases are tied to CPI, currently 3% (July 2025-June 2026). Effective Feb 2026, the formula changes to 90% of CPI with a 1%-4% range and no utility surcharges. Single-family homes are exempt.
View full Los Angeles rules →Key Facts Comparison
| Fact | Castaic | Los Angeles |
|---|---|---|
| RSO | Effective April 1, 2020 | - |
| Full Coverage | 2+ units, pre-1995, rent caps | - |
| Partial Coverage | Just-cause eviction only | - |
| 2025 Update | Stricter rent increase limits | - |
| Coverage | - | Buildings built before Oct 1, 1978 |
| Current Increase | - | 3% (July 2025-June 2026) |
| New Formula | - | 1%-4% range effective Feb 2026 |
| Units Covered | - | Approx. 650,000 units |
| Code Section | - | LAMC Chapter XV |
Highlighted rows indicate differences between cities.
Castaic FAQ
How much can my landlord raise rent in unincorporated LA County?
Under the RSO, annual increases are capped at a percentage set by the county (typically 3-4%, tied to CPI). This applies to units built before February 1, 1995, in unincorporated areas. Check current allowed increases at dcba.lacounty.gov.
Is my rental unit covered by rent control?
If it's in unincorporated LA County and was built before February 1, 1995, it's likely covered by the RSO. Single-family homes (unless corporate-owned), post-1995 units, and owner-occupied duplexes are exempt. Contact (800) 593-8222 to verify.
What if my landlord raises rent more than allowed?
File a complaint with the LA County Department of Consumer and Business Affairs at (800) 593-8222 or dcba.lacounty.gov. You may be entitled to a refund of excess rent paid plus interest.
Los Angeles FAQ
Is my apartment rent-controlled?
Buildings with 2+ units built before October 1, 1978 are covered. Check LAHD's ZIMAS system for your address.
How much can my rent go up?
Annual increases are capped at 3 to 8% based on CPI. Your landlord must provide 30-day notice.
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