C3A Zoning in NYC
C3A is a waterfront recreation commercial zoning district in New York City. It allows R3A as its residential equivalent, with a residential FAR of 0.75 and buildings up to 35 ft tall. 949 tax lots carry the C3A designation, 32% of them in Staten Island.
C3A zoning rules at a glance
| Rule | Value | Note |
|---|---|---|
| Residential equivalent | R3A | A mapped commercial district takes its apartment bulk from this district (ZR 34-112). |
| Residential FAR (R3A equivalent) | 0.75 | ZR 23-21, after City of Yes (Dec 2024). |
| Commercial FAR | 0.5 | ZR 33-122. |
| Street wall / base height (R3A equivalent) | 25 ft | Before the pitched roof begins (ZR 23-42). |
| Max building height (R3A equivalent) | 35 ft | Pitched roof required. |
C3A is a commercial district; its apartment rules follow R3A, so those rows are labeled as an equivalent.
C3A lots in the data
Where C3A lots are
- Staten Island: 304 parcels
- The Bronx: 278 parcels
- Queens: 215 parcels
- Brooklyn: 152 parcels
Browse by area in the neighborhood index.
C3A zoning questions
What is the maximum FAR in C3A?
Residential FAR in C3A (the FAR of its residential equivalent, R3A) is 0.75 (ZR 23-21). Floor area on a lot is that ratio times the lot area.
How tall can a building be in C3A?
R3A buildings reach 35 feet at most, with a 25-foot street wall under a pitched roof (ZR 23-42).
How built-out are C3A lots?
The average C3A lot is built to 0.52 FAR against an average maximum residential FAR of 0.75 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 C3A lots?
949 of 949 C3A 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 C3A lot
The NYRezone NYC zoning map shows zoning, buildable area and unused floor area for every parcel. No login.
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.