Dark Sky Rules: Corona vs Riverside
How do dark sky rules rules compare between Corona, CA and Riverside, CA?
Corona and Riverside have similar restriction levels.
Corona, CA
Riverside County
Corona Municipal Code Chapter 17.36 (Outdoor Lighting) and Title 17 zoning standards require shielded, downward-directed exterior lighting on commercial and multifamily properties to minimize light pollution and glare. Corona is not a designated Dark Sky community, but lighting must not trespass onto adjacent residential properties.
View full Corona rules →Riverside, CA
Riverside County
Riverside's municipal code includes outdoor lighting standards designed to reduce light pollution and protect the night sky. Riverside County Ordinance 915 establishes requirements for shielded fixtures and limits on upward light emission. New development in the city must submit lighting plans showing fully shielded, downward-directed fixtures. The proximity of Mount Palomar Observatory has historically influenced lighting regulations in the region.
View full Riverside rules →Key Facts Comparison
| Fact | Corona | Riverside |
|---|---|---|
| - | - | |
| County Ordinance | - | Ordinance 915 — outdoor lighting standards |
| Shielding | - | Fully shielded fixtures required for new development |
| Light Direction | - | Downward-directed only |
| Palomar Influence | - | Observatory proximity affects regional standards |
| Plan Review | - | Lighting plans required with development |
Highlighted rows indicate differences between cities.
Corona FAQ
Riverside FAQ
Does Riverside have dark-sky lighting rules?
Yes, Riverside County Ordinance 915 establishes outdoor lighting standards to reduce light pollution. The city requires new development to use fully shielded, downward-directed fixtures. The Mount Palomar Observatory's proximity has influenced regional lighting standards.
What type of outdoor lights are required in Riverside?
New development must use fully shielded fixtures that direct light downward. Upward light emission is restricted. Lighting plans are reviewed as part of the development permit process.
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