Outdoor Lighting in Delaware County, PA (2026)

2 rules for unincorporated Delaware County, Pennsylvania.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Delaware County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Dark Sky Rules

Delaware County has no countywide dark-sky ordinance. Outdoor-lighting and shielding rules are set by each borough or township through its zoning or subdivision code under the state Planning Code. Some Delco municipalities have adopted lighting standards; check yours.

Dark-Sky and Lighting Standards Are Municipal

Some Restrictions

Full ordinance details →Official source ↗

Light Trespass

Delaware County has no light-trespass ordinance. Whether a neighbor's floodlight spilling onto your property is a violation depends on your municipality's lighting standards, or general nuisance law. The county does not enforce residential glare complaints.

Light Trespass Is a Municipal Zoning and Nuisance Issue

Some Restrictions

Full ordinance details →Official source ↗

All Delaware County ordinances

See every category we cover for Delaware County — parking, noise, fences, fires, animals, pools, and more.

Delaware County Ordinance Hub →