Light Trespass: El Cerrito vs Martinez
How do light trespass rules compare between El Cerrito, CA and Martinez, CA?
El Cerrito and Martinez have similar restriction levels.
El Cerrito, CA
Contra Costa County
Light trespass and glare onto adjacent properties in unincorporated Contra Costa County is prohibited under Ordinance Code Title 8 nuisance and zoning provisions. Commercial and multi-family projects must meet foot-candle limits at property lines through CEQA lighting review.
View full El Cerrito rules →Martinez, CA
Contra Costa County
Martinez regulates exterior residential lighting to prevent glare, light trespass, and excessive illumination onto neighboring properties. Exterior fixtures should be shielded and directed downward; overly bright security lighting or unshielded floodlights that spill onto adjacent lots may constitute a nuisance subject to code enforcement.
View full Martinez rules →Key Facts Comparison
| Fact | El Cerrito | Martinez |
|---|---|---|
| Property-line standard | ~0.5 fc onto residential parcels (typical) | - |
| Governing code | Ord. Code Title 8 + Ch. 14-6 nuisance | - |
| CEQA review | Photometric plan required for new development | - |
| Enforcement | DCD Code Enforcement | - |
| Security lighting | Allowed if shielded and not a nuisance | - |
| - | - |
Highlighted rows indicate differences between cities.
El Cerrito FAQ
My neighbor's light shines into my window — is that illegal?
Unshielded lighting that creates a nuisance on adjacent property can be a code violation. CCC Code Enforcement can investigate and require the light to be shielded, redirected, or dimmed.
How bright can a commercial property light its parking lot?
Commercial lighting must be shielded and typically limited to around 0.5 foot-candles at the property line when adjacent to residential uses. Photometric plans are reviewed at the permit stage.
Martinez FAQ
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