Light Trespass: Mountain View vs Santa Clara
How do light trespass rules compare between Mountain View, CA and Santa Clara, CA?
Mountain View and Santa Clara have similar restriction levels.
Mountain View, CA
Santa Clara County
Light trespass across property lines in Mountain View is limited to 0.5 foot-candles in residential areas. Persistent light pollution causing nuisance can be reported to Code Enforcement for abatement.
View full Mountain View rules →Santa Clara, CA
Santa Clara County
Santa Clara code enforcement addresses light spillover onto adjoining residential properties; civil nuisance law provides remedies when city action is insufficient.
View full Santa Clara rules →Key Facts Comparison
| Fact | Mountain View | Santa Clara |
|---|---|---|
| Residential limit | 0.5 foot-candles at 5 ft | - |
| Measurement height | 5 feet above ground | - |
| Color temperature | Under 3000K recommended | - |
| Civil remedy | Civil Code 3479 nuisance | - |
| Enforcement | Code Enforcement investigates | Code Enforcement investigates complaints |
| Common Fix | - | Shielding, re-aiming, or timer controls |
| Civil Remedy | - | Civil Code 3479 private nuisance action |
| Commercial | - | Photometric compliance at property line |
| Contact | - | Code Enforcement (408) 615-2440 |
Highlighted rows indicate differences between cities.
Mountain View FAQ
How do I measure light trespass?
Use a light meter at 5 feet above ground along the property line. Readings over 0.5 foot-candles into a residential lot can be reported to Code Enforcement for investigation.
Can I sue my neighbor over bright lights?
Yes, under Civil Code 3479 excessive light that substantially interferes with your property enjoyment may be a private nuisance, though informal resolution and Code Enforcement are typically faster.
Santa Clara FAQ
My neighbor security light shines in my bedroom — what can I do?
First ask them to re-aim or shield; if unresolved, file a Code Enforcement complaint citing SCCC zoning standards.
Can I sue for light trespass?
Yes, under Civil Code 3479 private nuisance theory if the light substantially interferes with your use of your property.
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