2 county-level rules, plus city-specific rules for 8 cities in San Diego County, California.
Verified from official government sources
San Diego County's Light Pollution Code (LPC) minimizes light pollution to protect the Palomar and Mount Laguna observatories and the night environment. Three lighting zones with different restrictions. Fully shielded fixtures required. Limits on illumination levels.
San Diego County's Light Pollution Code and general nuisance provisions address light trespass — unwanted light spilling onto neighboring properties. Outdoor lighting must be directed downward and shielded. Excessive light affecting neighbors may be cited as a nuisance.
8 cities in San Diego County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.
2 verified rules • Dark Sky Rules, Light Trespass
2 verified rules • Dark Sky Rules, Light Trespass
2 verified rules • Dark Sky Rules, Light Trespass
2 verified rules • Dark Sky Rules, Light Trespass
2 verified rules • Dark Sky Rules, Light Trespass
2 verified rules • Dark Sky Rules, Light Trespass
2 verified rules • Dark Sky Rules, Light Trespass
2 verified rules • Dark Sky Rules, Light Trespass
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