Outdoor Lighting in Union City, CA (2026)
2 verified outdoor lighting rules for Union City, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Union City has no formal dark-sky ordinance, but UCMC general development regulations require outdoor lighting to be shielded so it does not spill onto adjacent residential windows and outdoor areas. Standards also cap fixture height and set minimum walkway lighting.
Union City Outdoor Lighting Rules: Shielding, No Dark-Sky Law
Some RestrictionsLight Trespass
Union City's development standards under UCMC require outdoor lighting to be shielded so it does not trespass onto adjacent residential windows and private outdoor areas. The standards target glare and spillover from new development rather than a fixed brightness limit at the property line.
Union City Light Trespass Rules: Shield Lighting From Neighbors
Some RestrictionsLooking for Alameda County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Union City city rules.
Outdoor Lighting in Alameda County →