Outdoor Lighting in Temecula, CA (2026)
2 verified outdoor lighting rules for Temecula, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Temecula sits within Riverside County's Light Pollution Control Zone B under RivCo Ordinance 655, protecting the Mt. Palomar Observatory's astronomical research. All new outdoor lighting must use full-cutoff shielded fixtures, low-pressure sodium or filtered LED (preferred 3000K or warmer), and be turned off or reduced after 11 PM where practical. Commercial signs face strict illumination limits.
Temecula Dark Sky Rules — Mt. Palomar Zone
Heavy RestrictionsLight Trespass
TMC Chapter 17.30 prohibits outdoor lighting that creates a nuisance by shining onto neighboring properties or into windows. Lights must be shielded, aimed downward, and not exceed 0.5 footcandles measured at the property line of adjacent residential parcels. Violations are nuisances enforceable by Code Enforcement with fines up to $500 and required corrective action.
Temecula Light Trespass Rules
Some RestrictionsLooking for Riverside County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Temecula city rules.
Outdoor Lighting in Riverside County →