Dark Sky Rules: Moorpark vs Ojai
How do dark sky rules rules compare between Moorpark, CA and Ojai, CA?
Moorpark has fewer restrictions than Ojai.
Moorpark, CA
Ventura County
Moorpark regulates outdoor lighting under MMC Chapter 17.30 (Lighting Regulations) to protect astronomical resources and prevent nuisance impacts on neighboring properties. The code recognizes that improperly installed or maintained lighting creates conflicts with astronomical observation and adjacent properties.
View full Moorpark rules →Ojai, CA
Ventura County
Ojai has a strong dark sky ordinance regulating outdoor lighting to preserve the night sky and the valley's rural character. All exterior fixtures must be fully shielded (full cutoff). Maximum color temperature is 3000K (warm white). Mercury vapor and unshielded floodlights are prohibited.
View full Ojai rules →Key Facts Comparison
| Fact | Moorpark | Ojai |
|---|---|---|
| Code Section | MMC Chapter 17.30 | - |
| Photometric Plans | Required for development | - |
| Fixture Shielding | Required to prevent trespass | - |
| Purpose | Astronomical resource protection | - |
| Applies To | All exterior lighting | - |
| Fixtures | - | Fully shielded (full cutoff) required |
| Color Temperature | - | 3000K maximum (warm white) |
| Prohibited | - | Mercury vapor, unshielded floods |
| Security Lights | - | Motion sensor, 60W max equivalent |
| Upgrade Trigger | - | Property sale or remodel |
Highlighted rows indicate differences between cities.
Moorpark FAQ
Does Moorpark have dark sky lighting rules?
Yes. Chapter 17.30 regulates outdoor lighting to protect astronomical resources and prevent nuisance impacts. Light fixtures must be properly shielded and not create trespass onto neighboring properties.
Do I need a lighting plan for new construction in Moorpark?
Yes. New development projects must include photometric plans demonstrating compliance with Chapter 17.30, showing light levels, fixture locations, and shielding to prevent light trespass.
Can my neighbor's lights shine into my yard in Moorpark?
No. Chapter 17.30 requires outdoor lighting to be properly aimed and shielded to prevent light trespass onto adjacent properties. File a complaint with Code Compliance at (805) 517-6232 if affected.
Ojai FAQ
What kind of outdoor lights can I use in Ojai?
Only fully shielded fixtures that direct light downward. Maximum 3000K color temperature (warm white). No mercury vapor or unshielded floodlights.
Why does Ojai have dark sky rules?
The city values its rural character and night sky visibility. The ordinance supports the arts community, tourism (stargazing), and wildlife by minimizing light pollution in the valley.
Do I have to replace my existing lights?
Non-conforming fixtures must be upgraded at the time of property sale or substantial remodel. Voluntary compliance is encouraged.
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