2 county-level rules, plus city-specific rules for 5 cities in San Bernardino County, California.
Verified from official government sources
Development Code Section 83.07.040 and the 2022 Light Trespass Ordinance impose dark-sky standards in the Mountain and Desert Regions: fully shielded fixtures, a 0.1 foot-candle light-trespass limit, 3,000 Kelvin maximum color temperature, residential poles capped at 12 feet, and lights extinguished when no people are present (and by 11 p.m.).
Development Code Chapter 83.07 limits glare onto neighboring property. In the Valley Region, lighting may not exceed 0.5 foot-candle at a residential property line (Section 83.07.030). In the Mountain and Desert Regions, the stricter Light Trespass Ordinance caps trespass at 0.1 foot-candle.
5 cities in San Bernardino 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
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