Outdoor Lighting in Castro Valley, CA (2026)
1 verified outdoor lighting rules for Castro Valley, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Light Pollution & Sky Glow
Alameda County zoning requires outdoor lighting to be shielded and directed downward to minimize glare onto neighboring properties. Light trespass is treated as a Ch. 6.65 nuisance.
Castro Valley Outdoor Lighting Standards
Some RestrictionsLooking for Alameda County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Castro Valley city rules.
Outdoor Lighting in Alameda County →