Signage Rules: El Cerrito vs Walnut Creek
How do signage rules rules compare between El Cerrito, CA and Walnut Creek, CA?
El Cerrito and Walnut Creek 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 →Walnut Creek, CA
Contra Costa County
Home occupations in Walnut Creek are prohibited from having any exterior signage advertising the business. The home must retain its residential appearance from the street — no signs, banners, window lettering, illuminated advertising, or similar displays visible from outside the dwelling.
View full Walnut Creek rules →Key Facts Comparison
| Fact | El Cerrito | Walnut Creek |
|---|---|---|
| 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.
Walnut Creek FAQ
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