Signage Rules: El Cerrito vs San Ramon
How do signage rules rules compare between El Cerrito, CA and San Ramon, CA?
El Cerrito and San Ramon have similar restriction levels.
El Cerrito, CA
Contra Costa County
Commercial signage advertising a home occupation is prohibited in unincorporated Contra Costa under Ordinance Code Chapter 82-4. The residential appearance of the dwelling must be preserved with no signs, window displays, banners, or external evidence of a business.
View full El Cerrito rules →San Ramon, CA
Contra Costa County
San Ramon prohibits all exterior commercial signage on home-business properties. No signs, banners, lighted displays, or window advertising that identifies a business are permitted. The business must be visually indistinguishable from a purely residential use from the street and neighboring properties.
View full San Ramon rules →Key Facts Comparison
| Fact | El Cerrito | San Ramon |
|---|---|---|
| Rule | No exterior business signage permitted | - |
| Vehicle signs | Commercial body signs discouraged at home | - |
| Window/banner signs | Prohibited | - |
| Online ads | Not restricted | - |
| Penalty | $100/$200/$500 admin citations | - |
| - | - |
Highlighted rows indicate differences between cities.
El Cerrito FAQ
Can I hang a small plaque with my business name?
No. Any external indication of commercial activity violates the home-occupation rules. Interior business identification not visible from the street is acceptable.
What about a logo on my work truck parked in the driveway?
A modest logo on a personal/work vehicle is generally tolerated; however, oversized body wraps or commercial trucks (>10,000 lb GVWR) parked overnight may violate residential parking and home-occupation rules.
San Ramon FAQ
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