Before You Build in Babylon, NY: Permit & Rule Checklist (2026)

Babylon fence heights are limited to 4 feet in front yards and 6 feet in rear and side yards under Zoning Chapter 213. Heights above 6 feet require a Zoning Board of Appeals variance.

Fence permits are required in Babylon for all fences over 4 feet and for any pool enclosure. Permit cost is approximately 75 dollars plus plan review.

Babylon follows NY RPAPL 843 boundary fence rules and RPAPL 843 spite fence statute. Fences over 10 feet erected to annoy neighbors can be abated as a private nuisance.

All residential pools in Babylon over 24 inches deep must have a 4-foot minimum barrier with self-closing, self-latching gates per NY Residential Code R326. Alarm required on house doors opening to pool area.

Babylon pools subject to NY State Uniform Code safety requirements: anti-entrapment drain covers (VGB Act), GFCI protection on all pool electrical, barrier maintenance, alarm compliance. No lifeguard required for residential pools.

Babylon hot tubs and spas with 24+ inch depth require building permit under Ch 89. Hot tubs with locking hardtop covers meeting ASTM F1346 exempt from perimeter fence requirement. Electrical permit required.

Babylon pools require 4-foot minimum barrier per NY Residential Code Appendix G/AG105. Self-closing, self-latching gate with latch at least 54 inches high. Above-ground pools with 48-inch+ walls may use removable/lockable ladder as barrier.

Babylon requires building permit for all swimming pools (in-ground and above-ground over 24 inches deep) under Town Code Ch 89 Building Construction and NY State Uniform Code. Electrical permit required for pool equipment.

Above-ground pools over 24 inches deep require Babylon building permit under Ch 89. Pools with 48-inch+ wall may use wall as barrier with lockable or removable ladder. Setback 10 ft from property lines typical.

Garage conversions to habitable space require a Babylon building permit, zoning review, and compliance with NY State Residential Code for habitable rooms (ceiling height, egress, insulation, HVAC, smoke/CO alarms). Converting a garage often requires replacing required off-street parking with an alternative space. Unpermitted conversions are a common code enforcement target.

Babylon permits accessory apartments (ADUs) under Town Code Chapter 213 Zoning provisions. Owner must occupy the primary unit, unit must be registered with the town, and parking plus minimum square footage standards apply. Suffolk County has an accessory apartment program that allows conforming ADUs in single-family zones.

Carports are considered accessory structures in Babylon and require a building permit, must meet the same setbacks as garages, and cannot be placed in front yards except as part of a driveway extension. Open carports count toward lot coverage but often receive reduced coverage credit.

Sheds under 100 sq ft in Babylon generally do not require a building permit but must meet rear-yard setback of 3-5 feet depending on zoning district. Sheds over 100 sq ft require permit, must meet full setbacks, and cannot exceed lot coverage limits. Prohibited in front yards.

Tiny homes on foundations must meet NY Uniform Code full residential requirements. Tiny homes on wheels (THOWs) are treated as RVs and cannot be used as permanent dwellings in Babylon residential zones. Minimum dwelling unit size typically 400-500 sq ft in Babylon zoning. No formal tiny home ordinance exists.

Open burning of brush and debris is prohibited in Babylon year-round because the town exceeds the 20,000 population threshold under 6 NYCRR Part 215. Only small cooking fires and approved ceremonial fires are allowed. The statewide brush burn ban runs March 15-May 15 but has no effect here since burning is banned all year.

Babylon permits residential fire pits under Town Code Chapter 89 (Fire Prevention) with 25-foot setback from structures and property lines. Pit must be under 3 feet in diameter, contained in noncombustible ring with metal screen cover. Only clean seasoned wood allowed; no trash, leaves, or construction debris. Adult attendance required.

Babylon requires a tree removal permit for removal of any town-owned tree or tree in the public right-of-way under Chapter 213. Private trees on residential property generally do not require a permit unless located in wetlands buffer or protected areas. Replacement may be required at a 1:1 ratio for approved removals.

Babylon is served by the Suffolk County Water Authority (SCWA), the largest groundwater-only public water supplier in the US. SCWA enforces an odd-even lawn watering schedule: odd-numbered addresses water on odd days, even on even days, with no watering 10 AM-4 PM during summer to reduce peak demand.

Babylon Town Code Chapter 213 (Trees) regulates trimming of trees in public right-of-way. Homeowners may trim branches overhanging their property from neighbor-owned trees up to the property line under NY common law. Town trees require permission from the Highway Department or Parks Department before trimming.