Outdoor Lighting in Suffolk County, NY (2026)
2 county-level rules, plus city-specific rules for 3 cities in Suffolk County, New York.
Verified from official government sources
Dark Sky Rules
Suffolk County requires new and replacement outdoor light fixtures on county-owned buildings, parking lots and docks to be fully shielded and capped at 2,200 Kelvin, but the rule only binds county government, not private property.
Suffolk County Shields Outdoor Lighting on County Facilities
Light RestrictionsSuffolk County Code § 149-3(A)
When purchasing new or replacement lighting, all County departments shall include a specification in a solicitation for the purchase of any permanent outdoor luminaire that requires the provider to offer for sale to the County of Suffolk only luminaires that 1) are fully shielded and 2) use lamps with a correlated color temperature no higher than 3500 Kelvin for all lamps purchased through Dece...
Light Trespass & Shielding
Suffolk County requires all new or replacement outdoor light fixtures on County-owned buildings, parking lots and docks to be fully shielded, directing light downward, and to use bulbs with a correlated color temperature no higher than 2200 Kelvin under Chapter 149 of the County Code.
Suffolk County Requires Fully Shielded Lighting on County Facilities
Some RestrictionsSuffolk County Code § 149-3
When purchasing new or replacement lighting, all County departments shall include a specification in a solicitation for the purchase of any permanent outdoor luminaire that requires the provider to offer for sale to the County of Suffolk only luminaires that 1) are fully shielded and 2) use lamps with a correlated color temperature no higher than 3500 Kelvin for all lamps purchased through Dece...
Outdoor Lighting by City in Suffolk County
3 cities in Suffolk County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.
All Suffolk County ordinances
See every category we cover for Suffolk County: parking, noise, fences, fires, animals, pools, and more.
Suffolk County Ordinance Hub →