Rental Registration: Altadena vs Pomona
How do rental registration rules compare between Altadena, CA and Pomona, CA?
Pomona has fewer restrictions than Altadena.
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 →Pomona, CA
Los Angeles County
Pomona eliminated its rent registry program in the 2025 ordinance update. Landlords are no longer required to submit rent roll data or register units. Unlawful detainer filings must still be submitted to the city within 10 days.
View full Pomona rules →Key Facts Comparison
| Fact | Altadena | Pomona |
|---|---|---|
| Registration | Mandatory, annual | - |
| Deadline | September 30 each year | - |
| Full Coverage Fee | $90 per unit | - |
| Pass-Through | Up to 50% to tenants (covered units) | - |
| Registry | - | Eliminated in Ordinance No. 4359 |
| UD Filing | - | Must submit to city within 10 days |
| Petitions | - | Tenant/landlord petitions available |
| Contact | - | 909-620-3777 |
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.
Pomona FAQ
Do I need to register my rental property?
Many jurisdictions require rental registration. Check with Pomona housing or building department for local requirements. Failure to register can result in fines.
What do rental inspections check?
Inspectors verify smoke detectors, electrical safety, plumbing, heating, structural integrity, and general habitability. Lead paint and asbestos disclosure may also be checked in older buildings.
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