Signage Rules: Berkeley vs Sunol
How do signage rules rules compare between Berkeley, CA and Sunol, CA?
Berkeley and Sunol have similar restriction levels.
Berkeley, CA
Alameda County
Berkeley limits home business signage to one 1-square-foot non-illuminated plaque, flush-mounted to the residence. Freestanding, lighted, or window signs for home occupations are prohibited.
View full Berkeley rules →Sunol, CA
Alameda County
Alameda County prohibits most on-premises signage for home occupations in residential zones; the business must not advertise its presence with exterior signs, window displays, or lighted signs under Title 17.
View full Sunol rules →Key Facts Comparison
| Fact | Berkeley | Sunol |
|---|---|---|
| Max size | 1 sq ft | - |
| Mounting | Flush to wall | - |
| Illumination | Prohibited | - |
| Freestanding | Not allowed | - |
| First fine | 100 dollars | - |
| Residential zones | - | No business signage visible from street |
| Illuminated signs | - | Prohibited for home occupations |
| Window displays | - | Not allowed for business advertising |
| Agricultural parcels | - | Small ID signs may be allowed |
| Code reference | - | Title 17 Zoning / sign regulations |
Highlighted rows indicate differences between cities.
Berkeley FAQ
Can I put a sign in my yard for my home bakery?
No. Yard signs for home occupations are prohibited. Only a small 1 sq ft plaque on the building itself is permitted. Cottage food operations also cannot use retail-style signage.
Can I hang a banner during grand opening?
Temporary banners for home businesses are not permitted. Grand openings and events are considered a commercial use that requires commercial zoning. Garage-sale style 48-hour signs may be used for occasional open studios.
Sunol FAQ
Can I put a small plaque by my front door?
Typically yes for standard house identification, but plaques advertising a business are generally not permitted in residential zones.
What about a magnetic sign on my work van?
Vehicle signage is allowed, but the vehicle must comply with residential parking rules when stored at home.
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