2 rules for unincorporated Mendocino County, California.
Verified from official government sources
In the unincorporated Coastal Zone, Mendocino County requires exterior lighting to be shielded and directed downward under Coastal Zoning Code Section 20.504.035, with extra protection for designated highly scenic areas (Section 20.504.015). Inland, the County has no comprehensive dark-sky ordinance, though scenic and review standards can apply.
In the unincorporated Coastal Zone, Mendocino County requires exterior lighting to be shielded and directed downward (Coastal Zoning Code Section 20.504.035), which limits light spilling onto neighbors and the night sky. The County has no comprehensive inland light-trespass ordinance, so off-site glare disputes are usually addressed through permit conditions or nuisance law.
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