NYC Zoning Resolution limits fences in Brooklyn to 6 feet in rear yards and 4 feet in front yards. All fences over 6 feet require a DOB building permit. Fences in flood zones may have additional FEMA requirements. Brooklyn's dense rowhouse fabric means most privacy comes from building walls rather than fences.
Fence regulations in Brooklyn are governed by the NYC Zoning Resolution and the NYC Building Code. In residential districts, rear yard fences may be up to 6 feet in height. Front yard fences and walls are limited to 4 feet. Side yard fences follow the rear yard standard of 6 feet maximum. Fences exceeding 6 feet in height require a DOB building permit. NYC's strict building code means even standard fences may face scrutiny if they affect egress, light, and air requirements for neighboring properties. In Brooklyn's dense rowhouse neighborhoods (Brownstone Brooklyn, Bay Ridge, Park Slope), most privacy comes from building walls rather than fences, and backyard fences are the primary fencing context. Chain-link, wood, vinyl, and wrought iron are common materials. Solid privacy fences may face additional requirements if they block required windows or affect neighboring properties' light and air rights. Properties in FEMA flood zones (parts of Red Hook, Coney Island, southern Brooklyn) may have restrictions on solid fences that impede flood water flow. New York City Landmarks Preservation Commission (LPC) may regulate fence materials and design in designated historic districts, which are numerous in Brooklyn.
Fences over 6 ft without DOB permit: DOB violation, ECB fine starting at $800. Non-compliant fences in historic districts: LPC violation with required modification.
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