Flood Zones: Calverton vs Islip
How do flood zones rules compare between Calverton, NY and Islip, NY?
Calverton and Islip have similar restriction levels.
Calverton, NY
Suffolk County
Suffolk County has extensive FEMA Special Flood Hazard Areas along Atlantic coast, Long Island Sound, Great South Bay, Peconic Bays, and Shinnecock Bay. New construction in VE and AE zones must elevate to BFE + 2 ft freeboard. Superstorm Sandy prompted enhanced elevation requirements countywide.
View full Calverton rules →Islip, NY
Suffolk County
Islip has extensive FEMA Special Flood Hazard Areas along Great South Bay, Fire Island, Connetquot River. Town Code Chapter 28 (Flood Damage Prevention) enforces NFIP. Substantial improvement rule and 2 ft freeboard above BFE required for new construction in AE/VE zones.
View full Islip rules →Key Facts Comparison
| Fact | Calverton | Islip |
|---|---|---|
| VE Zones | Atlantic and bay wave zones | - |
| AE Zones | Still-water flood zones | - |
| Freeboard | BFE + 2 ft (DFE) | BFE + 2 ft |
| 50% Rule | Substantial improvement triggers | - |
| V-Zone | Breakaway walls mandatory | - |
| Code | - | Town Code Ch. 28 |
| Program | - | FEMA NFIP + CRS |
| Zones | - | AE bay, VE Fire Island |
| Insurance | - | 1,200-3,500 dollars/year |
Highlighted rows indicate differences between cities.
Calverton FAQ
Do I need flood insurance in Suffolk County?
Yes if in a FEMA SFHA with a federally backed mortgage. Coverage is strongly recommended in X zones as well given post-Sandy experience.
Can I finish a basement in an AE zone?
No. Below-BFE enclosures are limited to parking, storage, or building access. Finishing for habitable use triggers NFIP violations and insurance rating penalties.
Islip FAQ
Who enforces this in Islip?
Islip code enforcement at (631) 224-5600 handles complaints.
Who enforces this in Islip?
Islip code enforcement at (631) 224-5600 handles complaints.
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