Signage Rules: Antioch vs Oakley
How do signage rules rules compare between Antioch, CA and Oakley, CA?
Antioch and Oakley have similar restriction levels.
Antioch, CA
Contra Costa County
Home-based businesses in Antioch are prohibited from any exterior signage identifying the business under AMC Chapter 9-5.3303(D). No window signs, yard signs, vehicle signage parked in driveway, or illumination advertising the business is allowed. The residence must appear outwardly as a residence.
View full Antioch rules →Oakley, CA
Contra Costa County
Exterior signage identifying or advertising a home occupation is prohibited in Oakley. The zoning code requires home businesses to be invisible from the street, with no signs, window displays, or exterior storage of business-related materials permitted on residential property.
View full Oakley rules →Key Facts Comparison
| Fact | Antioch | Oakley |
|---|---|---|
| Exterior signs | Prohibited (AMC 9-5.3303) | - |
| Window signs | Prohibited | - |
| Vehicle signage | Permitted if personal transport | - |
| Online ads | Fully allowed | - |
| Violation fine | $100-$500 per day | - |
| Fact | - | No exterior signs for home occupations in any form |
Highlighted rows indicate differences between cities.
Antioch FAQ
Can I put a small sign on my front lawn for my home bakery?
No. Any exterior signage advertising the home business is prohibited, including small yard signs. Rely on online marketing and business cards instead.
My work truck has my company logo - can I park it in the driveway?
Yes, one personally-used commercial vehicle under 1-ton GVWR may be parked on site. Enforcement issues arise when multiple branded vehicles or trailers are parked as de facto advertising.
Oakley FAQ
Can I have a small plaque by my Oakley front door for my business?
No. Oakley's home occupation rules prohibit all forms of exterior signage on residential properties, including small nameplates or plaques identifying a business.
What about a logo on my work truck parked in the driveway?
A modest work vehicle used by the resident is permitted, but it cannot be wrapped or heavily lettered to function as advertising. Large commercial vehicles used primarily as mobile billboards are not allowed in residential driveways.
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