Light Trespass: Ojai vs Simi Valley
How do light trespass rules compare between Ojai, CA and Simi Valley, CA?
Simi Valley has fewer restrictions than Ojai.
Ojai, CA
Ventura County
Outdoor lighting in Ojai must not trespass onto neighboring properties. Light measured at the property line may not exceed 0.5 foot-candles. Complaints are handled through code compliance. The dark sky ordinance reinforces anti-trespass standards.
View full Ojai rules →Simi Valley, CA
Ventura County
Light trespass in unincorporated Ventura County is regulated under the Dark Sky (DKS) overlay zone and general nuisance provisions. In DKS areas, all outdoor lighting must be fully shielded to prevent light from crossing property lines.
View full Simi Valley rules →Key Facts Comparison
| Fact | Ojai | Simi Valley |
|---|---|---|
| Property Line Limit | 0.5 foot-candles | - |
| Shielding | All fixtures must prevent spillage | - |
| Up-Lighting | Discouraged; must be properly aimed | - |
| Enforcement | Code compliance officer measures | - |
| DKS Zones | - | Full shielding required |
| Non-DKS | - | Nuisance standard (Div 13) |
| SRP Overlay | - | Minimize glare for discretionary projects |
| Code Compliance | - | (805) 654-2466 |
| Civil Remedy | - | Private nuisance lawsuit |
Highlighted rows indicate differences between cities.
Ojai FAQ
My neighbor's light shines into my bedroom. What can I do?
First, talk to your neighbor. If unresolved, file a code compliance complaint with Community Development at (805) 646-5581. The city can measure light levels at your property line.
What is the maximum light level at the property line?
0.5 foot-candles maximum. This is a low level designed to prevent light trespass while allowing reasonable security lighting.
Can I use landscape up-lights?
Up-lighting is discouraged under the dark sky ordinance. If used, it must be precisely aimed at the target with no light spillage beyond the intended area.
Simi Valley FAQ
Can I complain about my neighbor's bright lights?
Yes. In DKS zones, non-compliant lighting can be cited. Outside DKS, file a nuisance complaint with Code Compliance at (805) 654-2466.
What is light trespass?
Light from one property shining onto a neighbor's property unreasonably. In DKS zones, all lighting must be shielded to prevent this.
Can I take legal action?
Yes. Beyond code enforcement, you can file a private nuisance lawsuit for persistent light trespass.
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