Rental Registration: Altadena vs Castaic
How do rental registration rules compare between Altadena, CA and Castaic, CA?
Altadena and Castaic have similar restriction levels.
Altadena, CA
Los Angeles County
Mandatory rental registration is required in unincorporated LA County under the RSO. Landlords must register all rental units and pay annual fees by September 30. Fully covered units: $90/unit, just-cause only: $30/unit. Up to 50% of fees for covered units may be passed to tenants.
View full Altadena rules →Castaic, CA
Los Angeles County
Mandatory rental registration is required in unincorporated LA County under the RSO. Landlords must register all rental units and pay annual fees by September 30. Fully covered units: $90/unit, just-cause only: $30/unit. Up to 50% of fees for covered units may be passed to tenants.
View full Castaic rules →Key Facts Comparison
| Fact | Altadena | Castaic |
|---|---|---|
| Registration | Mandatory, annual | Mandatory, annual |
| Deadline | September 30 each year | September 30 each year |
| Full Coverage Fee | $90 per unit | $90 per unit |
| Pass-Through | Up to 50% to tenants (covered units) | Up to 50% to tenants (covered units) |
Highlighted rows indicate differences between cities.
Altadena FAQ
Do I have to register my rental property in LA County?
If your unit is covered by the RSO (built before February 1, 1995, in unincorporated LA County), you must register it with the Department of Consumer and Business Affairs. Registration is required annually.
How much is the rental registration fee?
The annual fee is typically $30-$50 per unit, adjusted periodically by the county. Late registration may incur double fees. Check current fees at dcba.lacounty.gov or call (800) 593-8222.
What happens if I don't register?
Unregistered landlords face fines of $250-$500 per unit and may be unable to pursue certain eviction remedies. Registration protects both landlords and tenants by establishing the rental relationship on record.
Castaic FAQ
Do I have to register my rental property in LA County?
If your unit is covered by the RSO (built before February 1, 1995, in unincorporated LA County), you must register it with the Department of Consumer and Business Affairs. Registration is required annually.
How much is the rental registration fee?
The annual fee is typically $30-$50 per unit, adjusted periodically by the county. Late registration may incur double fees. Check current fees at dcba.lacounty.gov or call (800) 593-8222.
What happens if I don't register?
Unregistered landlords face fines of $250-$500 per unit and may be unable to pursue certain eviction remedies. Registration protects both landlords and tenants by establishing the rental relationship on record.
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