Outdoor Lighting in Nassau County, NY (2026)

2 rules for unincorporated Nassau County, New York.

Verified from official government sources

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

Dark Sky Rules

Nassau County has no countywide dark sky ordinance. Individual villages (Lloyd Harbor, Matinecock, Upper Brookville) adopted lighting standards requiring full cutoff fixtures and lumen limits. Urban South Shore communities generally have no dark sky rules. NYSDEC Light Pollution Guidance advisory.

Outdoor Lighting: Dark Sky Rules

Few Restrictions

Full ordinance details →Official source ↗

Light Trespass

Nassau County light trespass addressed through local zoning codes and common law nuisance. Villages with lighting codes typically cap property-line illuminance at 0.1-0.5 footcandles. No statewide light trespass statute. Private nuisance claims available in NY courts.

Outdoor Lighting: Light Trespass

Some Restrictions

Full ordinance details →Official source ↗

All Nassau County ordinances

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Nassau County Ordinance Hub →