2 rules for unincorporated Baltimore County, Maryland.
Verified from official government sources
Baltimore County has no formal dark-sky lighting ordinance. Outdoor lighting is instead controlled through the Baltimore County Zoning Regulations' performance and glare standards and sign-illumination rules, which limit light and glare that spills onto neighboring residential property.
Baltimore County limits light trespass through the Zoning Regulations' performance standards. Adjacent residential uses are protected by a footcandle cap at the shared property line, so exterior lighting must be aimed and shielded to keep light from crossing onto neighbors' land.
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