Bronx lot coverage set by NYC Zoning Resolution. R1-R2: 30 percent max. R3-R4: 45-55 percent. R5-R6: 60-65 percent. R7-R8: 65-70 percent. Interior lots, corner lots, and through lots have different controls. Open space ratio also applies.
NYC ZR 23-141 et seq. sets maximum lot coverage and minimum open space ratio (OSR) by district. R1-R2 detached: 30 percent coverage. R3-1: 35 percent. R3A-R3X: 45-55 percent. R4: 45-55 percent. R5: 55 percent. R6A/R6B: 60-65 percent. R7A: 65 percent. R8: 70 percent (contextual). Zoning lot mergers and transfer of development rights (TDR) can shift coverage calculations. Yard requirements interact with lot coverage to preserve light and air.
Lot coverage violation: DOB stop work, denied C of O, 1,000-10,000 dollars per day. Board of Standards and Appeals variance required to exceed.
Bronx County, NY
Open burning is prohibited in Bronx County under both NYC Fire Code FC 307 and 6 NYCRR Part 215. Burning leaves, brush, trash, or yard waste is illegal year-...
Bronx County, NY
Bronx County is not in a designated wildfire hazard zone. No WUI maps, Cal Fire-equivalent designations, or Chapter 7A-style construction rules apply in NYC.
Bronx County, NY
Bronx County follows NYC Fire Code (Title 29). Open flames and recreational fires are prohibited on terraces, balconies, roofs, and within 10 feet of combust...
Bronx County, NY
Backyard recreational fires are only allowed at 1-2 family homes with private yards, using approved portable fire pits under 3 feet wide. Apartment buildings...
Bronx County, NY
NYC Administrative Code 27-2045 requires working smoke alarms in every dwelling unit. Since 2019 all replacement alarms must be sealed 10-year battery or har...
Bronx County, NY
The Bronx is a dense urban borough with no wildland-urban interface, so there is no defensible space ordinance. Property owners must still maintain lots free...
See how Bronx County's lot coverage limits rules stack up against other locations.
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