R2X Zoning in NYC: Single-family detached
R2X districts are low-density detached single-family districts on somewhat smaller lots than R1. Citywide, 1,339 tax lots carry a primary R2X designation.
On the average R2X lot, roughly 38% of the allowed residential floor area is unused — the raw material of a rezoning-era investment thesis. Primarily an end-user market; ADU rules under City of Yes are the main new lever for adding rentable space.
Where R2X lots are
FAQ
What is R2X zoning in NYC?
R2X is one of low-density detached single-family districts on somewhat smaller lots than R1. Across New York City, 1,339 tax lots carry a primary R2X designation.
How built-out are R2X lots today?
On average, R2X parcels are built to a floor-area ratio of 0.62 against an average maximum residential FAR of 1 — roughly 38% of allowed floor area is unused on the average lot. Individual lots vary widely; check any specific parcel on the free NYRezone map.
Does City of Yes affect R2X parcels?
1,339 R2X parcels flag as potentially affected by at least one City of Yes for Housing Opportunity program in NYRezone's screening model. Program applicability is parcel-specific — verify each lot.
Screen every R2X parcel free
The NYRezone map scores all 1,339 R2X lots on unused floor area, City of Yes eligibility, and assemblage potential. No login.
Related R2 districts
Parcel figures derive from NYC Department of City Planning PLUTO data as processed by NYRezone. Zoning regulations are summarized for orientation only — always verify specifics in the NYC Zoning Resolution and with the Department of City Planning before acting on any parcel.