Islip requires building permits for fences exceeding 6 feet, all pool enclosure fences, and commercial-zone fences. Permit fee starts around 75 dollars plus 5 dollars per linear foot. Survey showing property lines required. Processing takes 2 to 4 weeks.
Under-6-foot residential fences do not require permits but must meet setback and zoning rules. Waterfront properties need additional DEC or Army Corps review if fence is within tidal wetlands or 75-foot buffer. Fire Island Communities may have National Park Service overlay restrictions. Contact Islip at (631) 224-5600 for enforcement.
Building without permit 500 dollars plus double permit fee. Non-compliant fence subject to removal at owners expense.
Islip, NY
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Islip, NY
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Islip, NY
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Islip, NY
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Islip, NY
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