Outdoor Lighting in Brentwood, CA (2026)
2 verified outdoor lighting rules for Brentwood, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Brentwood has no residential dark-sky ordinance, but its zoning code forces outdoor lighting in office, commercial and industrial zones to stay on-site. Brentwood Municipal Code § 17.200.004(B)(2) caps glare at one-half foot-candle measured at the lot line and requires every exposed light source to be shielded, with flickering or intense fixtures controlled so they do not become a nuisance across property lines.
Brentwood Exterior Lighting Glare Shielding Rule
Some RestrictionsBrentwood Municipal Code § 17.200.004(B)(2)
The following performance standards are applicable to the office and commercial zones unless expressly provided for otherwise within the regulations of each individual zone: ... ... B. Heat, Glare and Humidity. ... ... 2. Any operation or activity producing glare shall be performed within a completely enclosed building and be conducted so that direct and indirect illumination from the source of...
Light Trespass & Shielding
Brentwood caps outdoor lighting spill from every office and commercial property at one-half foot-candle measured at the lot line, requires exposed fixtures to be shielded, and treats flickering or intense light like a nuisance under the city's zoning performance standards for the CO, COB, COR, CR, C-1, C-2 and C-3 zones.
Brentwood Commercial Glare and Light Limits
Some RestrictionsBrentwood Municipal Code § 17.200.004(B)(2)
Any operation or activity producing glare shall be performed within a completely enclosed building and be conducted so that direct and indirect illumination from the source of light on the lot shall not cause illumination in excess of one-half foot-candle when measured at the lot line. Exposed sources of light shall be shielded and flickering or intense sources of light shall be controlled so a...
Looking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Brentwood city rules.
Outdoor Lighting in Contra Costa County →