Light trespass in unincorporated LA County is regulated under the ROLD in rural areas: 0.5 foot-candles maximum on adjacent residential/open space parcels, 1.0 foot-candles on other zones. Urban unincorporated areas rely on general nuisance provisions for light trespass complaints.
Light trespass in unincorporated LA County is regulated under the ROLD in rural areas and under general nuisance provisions (Title 11) in other areas. Light from one property that unreasonably interferes with a neighbor's use and enjoyment of their property may constitute a private nuisance. In ROLD areas, all outdoor lighting must be fully shielded to prevent light from crossing property lines. Outside ROLD areas, there are no specific lumen or shielding requirements but persistent light trespass can be addressed through code enforcement as a nuisance.
In ROLD areas, light trespass violations carry fines of $100-$500 per fixture per day after the 30-day correction period. Outside ROLD areas, light trespass is addressed as a nuisance under Title 11 with administrative penalties of $100-$1,000. Affected neighbors may also pursue civil nuisance claims for damages and injunctive relief in court.
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