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.
Town of Brookhaven A Residential allows 25% lot coverage by buildings. Town of Islip Residence B allows up to 30% coverage. Town of Huntington R-10 allows 25% coverage. Town of Southampton applies a Gross Floor Area (GFA) formula: 10% of lot area plus 1,600 sq ft, capped at 12,000 sq ft. Town of East Hampton 255-11-11 applies a similar GFA schedule tied to lot size. Lot coverage typically excludes pervious patios and walks under 2 feet, but includes decks, pools, and accessory structures in most towns.
Exceeding coverage requires ZBA variance. Violations result in stop-work orders, denial of CO, and fines $250-$1,000 per day.
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Side-by-side rule comparisons with other cities in Suffolk County.
See how other cities in Suffolk County handle lot coverage limits.
See how Calverton's lot coverage limits rules stack up against other locations.
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