R4A Zoning in NYC
R4A is a low-rise, one- and two-family zoning district in New York City. It allows a residential FAR of 1.0 and buildings up to 35 ft tall. 25,854 tax lots carry the R4A designation, 57% of them in Queens. Their average built FAR is 0.69, against 1 allowed.
R4A zoning rules at a glance
| Rule | Value | Note |
|---|---|---|
| Max residential FAR | 1.0 | After City of Yes (Dec 2024). ZR 23-21. |
| FAR, qualifying residential site | 1.5 | Sites of 5,000 sq ft or more meeting ZR 12-10; PLUTO cannot confirm it, check the lot. |
| Street wall / base height | 25 ft | Before the pitched roof begins (ZR 23-42). |
| Max building height | 35 ft | Pitched roof required. |
| Front yard | 10 ft | ZR 23-32. |
| Side yard | 5 ft each side | Detached homes only, so side yards always apply. |
| Lot coverage | 60% interior, 80% corner | ZR 23-36. |
| Building types | Detached only |
R4A lots in the data
Where R4A lots are
- Queens: 14,850 parcels
- The Bronx: 8,715 parcels
- Brooklyn: 2,167 parcels
- Staten Island: 122 parcels
Browse by area in the neighborhood index.
R4A zoning questions
What is the maximum FAR in R4A?
Residential FAR in R4A is 1.0 (ZR 23-21). Floor area on a lot is that ratio times the lot area.
How tall can a building be in R4A?
R4A buildings reach 35 feet at most, with a 25-foot street wall under a pitched roof (ZR 23-42).
How built-out are R4A lots?
The average R4A lot is built to 0.69 FAR against an average maximum residential FAR of 1 in MapPLUTO 26v2, so about 31% of allowed floor area is unused on the average lot. Lots vary; open any one on the map.
Does City of Yes affect R4A lots?
25,854 of 25,854 R4A lots (100%) flag as touched by at least one City of Yes for Housing Opportunity program in NYRezone's screening. Eligibility is lot by lot; verify each one.
Look up any R4A lot
The NYRezone NYC zoning map shows zoning, buildable area and unused floor area for every parcel. No login.
Related R4 districts
Sources & freshness
Data: NYC MapPLUTO 26v2 (checked Sept. 28, 2026); compiled by NYRezone. Parcel counts and built-versus-allowed FAR come from that release. Rule values come from the NYC Zoning Resolution as amended by City of Yes for Housing Opportunity (Dec 2024). This is orientation, not legal advice: confirm a lot with the Department of City Planning before you act on it.