Signage Rules: Altadena vs Downey
How do signage rules rules compare between Altadena, CA and Downey, CA?
Altadena and Downey have similar restriction levels.
Altadena, CA
Los Angeles County
Home-based businesses in unincorporated LA County cannot display exterior business signage in residential zones under Title 22. The business must be invisible from outside. Sign regulations are enforced by LA County DRP to maintain residential neighborhood character.
View full Altadena rules →Downey, CA
Los Angeles County
Home businesses in Downey generally may not display external signage. Business signs must comply with Article IX sign regulations. No commercial signs are permitted in residential zones.
View full Downey rules →Key Facts Comparison
| Fact | Altadena | Downey |
|---|---|---|
| Exterior Signs | Not permitted in residential zones | - |
| Title 22 | Sign standards in Division 6 | - |
| Visibility | Must not alter residential character | - |
| Enforcement | LA County DRP | Code Enforcement |
| Home Business Signs | - | Not permitted |
| Residential Zone | - | No commercial signage |
| Code | - | Article IX sign regulations |
Highlighted rows indicate differences between cities.
Altadena FAQ
Can I put a business sign at my home in LA County?
No. Home occupations in unincorporated LA County prohibit exterior business signage under Title 22. No signs, banners, or advertisements may be visible from the street or neighboring properties.
Can I have my business name on my vehicle?
Yes. Vehicle signage (company name/logo on your car or truck) parked at your home is generally allowed since it's regulated as a vehicle, not a building sign.
What about a small sign on my front door?
Any business sign visible from outside the home is prohibited for home occupations. Interior signs visible only to household members are unrestricted.
Downey FAQ
Can I put a business sign on my home in Downey?
Home businesses in Downey generally may not display external signage. Business signs must comply with Article IX sign regulations. No commercial signs are permitted in residential zones.
What signage rules apply to home businesses in Downey?
Home Business Signs: Not permitted. Residential Zone: No commercial signage. Code: Article IX sign regulations. Enforcement: Code Enforcement.
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