Dark Sky Rules: Simi Valley vs Ventura
How do dark sky rules rules compare between Simi Valley, CA and Ventura, CA?
Simi Valley and Ventura have similar restriction levels.
Simi Valley, CA
Ventura County
Simi Valley regulates outdoor lighting to minimize light pollution and glare affecting neighboring properties. The city's Development Code includes standards for shielding, intensity, and direction of exterior lighting on residential and commercial properties.
View full Simi Valley rules →Ventura, CA
Ventura County
Ventura regulates outdoor lighting through its zoning code to minimize light pollution and glare. Exterior lighting on commercial and multi-family projects must be shielded and directed downward. The City's proximity to natural areas and the coast increases emphasis on limiting light pollution.
View full Ventura rules →Key Facts Comparison
| Fact | Simi Valley | Ventura |
|---|---|---|
| Shielding | Required on all exterior lighting | Exterior lighting must be shielded/downward |
| Property Line Limit | 0.5 foot-candles residential | - |
| Direction | Downward, no trespass | - |
| Code Enforcement | (805) 583-6238 | - |
| Glare | - | Must not project above horizontal plane |
| Design Review | - | Lighting plans required for new development |
| Residential | - | Must not create nuisance to neighbors |
| Enforcement | - | Code Enforcement (805) 654-7869 |
Highlighted rows indicate differences between cities.
Simi Valley FAQ
Are there limits on outdoor lighting in Simi Valley?
Yes, exterior lighting must be shielded and directed downward. Light may not trespass onto neighboring properties above 0.5 foot-candles at the property line.
Can my neighbor's security light shine into my yard?
No, security lights must be shielded and directed to avoid illuminating neighboring properties. File a complaint with Code Enforcement at (805) 583-6238 if lights trespass.
What type of outdoor lights are recommended?
Full cutoff, downward-directed fixtures are recommended. LED and warm-color temperature lights minimize glare and sky glow. Avoid unshielded flood lights and mercury vapor fixtures.
Ventura FAQ
Are there dark sky rules in Ventura?
Ventura's zoning code requires exterior lighting on commercial and multi-family projects to be shielded and directed downward. Residential lighting must not create a nuisance to neighbors.
Can my neighbor's lights bother me?
Outdoor lighting that creates glare or spillover onto neighboring properties may be addressed through code enforcement. Contact (805) 654-7869 to report lighting nuisances.
Do I need a lighting plan for my project?
New commercial and multi-family development projects must submit lighting plans as part of the design review process. Contact Community Development for requirements.
Compare other topics
See how Simi Valley and Ventura compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool