Outdoor Lighting in Rancho Cucamonga, CA (2026)
2 verified outdoor lighting rules for Rancho Cucamonga, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Rancho Cucamonga Development Code Section 17.58 requires shielded, full-cutoff outdoor lighting to minimize glare and skyglow. New installations must direct light downward onto the subject property.
Rancho Cucamonga Dark Sky Rules
Some RestrictionsLight Trespass
Rancho Cucamonga limits light trespass to 0.5 foot-candles at residential property lines under Development Code 17.58. Complaints can be filed with Planning for fixture retrofits or shielding.
Rancho Cucamonga Light Trespass Rules
Some RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rancho Cucamonga city rules.
Outdoor Lighting in San Bernardino County →