Light Trespass: Hayward vs Sunol
How do light trespass rules compare between Hayward, CA and Sunol, CA?
Hayward and Sunol have similar restriction levels.
Hayward, CA
Alameda County
Hayward prohibits outdoor lighting that spills onto adjacent properties above 0.5 foot-candles at the residential property line. Violations are enforced through Code Enforcement as a zoning nuisance.
View full Hayward rules →Sunol, CA
Alameda County
Alameda County treats light trespass onto neighbors as nuisance under Title 17 and Civil Code 3479. Residential fixtures cannot exceed 0.5 foot-candles at adjacent property lines.
View full Sunol rules →Key Facts Comparison
| Fact | Hayward | Sunol |
|---|---|---|
| Max spillover | 0.5 fc residential line | - |
| Enforcement | Code Enforcement complaints | - |
| Shielding | Required if spilling | - |
| Motion sensors | Recommended | 5-10 minute timers OK |
| Fines | Administrative citations possible | - |
| Residential limit | - | 0.5 foot-candles at line |
| Commercial limit | - | 1.0 foot-candle typical |
| Nuisance law | - | Civil Code 3479 |
| Required | - | Shielded, downward-directed |
Highlighted rows indicate differences between cities.
Hayward FAQ
What can I do about my neighbors floodlight?
First ask politely for shielding or reaiming; if unresolved, file a complaint with Hayward Code Enforcement.
How is 0.5 foot-candles measured?
With a light meter at ground level at the property line; Code Enforcement has instruments for verification.
Sunol FAQ
My neighbor's security light shines into my bedroom. What can I do?
Ask politely first, then file a code enforcement complaint with Alameda County or your city. Document with photos showing intrusion. Private nuisance suits are also available under Civil Code 3479.
Can I use bright LED security flood lights?
Yes, but they must be shielded to direct light onto your property only and not exceed 0.5 foot-candles at neighbor property lines. Motion-activated fixtures are preferred over always-on lighting.
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