3 county-level rules, plus city-specific rules for 3 cities in Suffolk County, New York.
Verified from official government sources
Residential setbacks in Suffolk County vary by town and zoning district. Typical one-acre zones require 50 ft front, 25 ft side, 50 ft rear. Quarter-acre zones typically require 30 ft front, 10 ft side, 35 ft rear. East End towns impose larger setbacks in agricultural overlays.
Residential height limits in Suffolk County typically cap principal structures at 35 feet or 2.5 stories. East End towns (Southampton, East Hampton) impose pyramid law restrictions. Accessory structures limited to 15-20 feet.
Lot coverage in Suffolk County typically limited to 20-35% of lot area depending on town and zoning district. Gross floor area (GFA) limits also apply in East End towns to prevent McMansions.
3 cities in Suffolk County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Suffolk County — parking, noise, fences, fires, animals, pools, and more.
Suffolk County Ordinance Hub →