New York, NY · zoning record
The dimensional standards that govern what you can build in the R9D district, straight from New York's ordinance, with every figure quoting its source. Check a specific address to see how these rules apply to a real lot.
Free · Every figure cited · Read from the current code (2026-10-02)
These are the letter-of-the-law limits for the base R9D district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.
Max floor area ÷ lot area.
“R9D | 9.00 | 80 | 70 | 70”Chapter 4 - Bulk Regulations for Community Facilities in Residence Districts › Maximum Floor Area Ratio and Percentage of Lot Coverage › Floor Area Ratio › R9D row · New York code · read 2026-10-02
Every figure above is quoted verbatim from the current ordinance. We never substitute a typical-for-zone default: a field absent from the record shows nothing, not a guess.
See how these standards resolve on a specific parcel, with the overlays that actually apply, in about 20 seconds.
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