R8B Zoning in NYC

R8B is a high-density apartment zoning district in New York City. It allows a residential FAR of 4.0 and buildings up to 75 ft tall. 7,362 tax lots carry the R8B designation, 100% of them in Manhattan. Their average built FAR is 3.57, against 4 allowed.

R8B zoning rules at a glance

R8B zoning rules from the NYC Zoning Resolution
RuleValueNote
Max residential FAR4.0ZR 23-22, after City of Yes (Dec 2024).
FAR with Universal Affordability Preference4.8Qualifying affordable housing bonus (UAP), ZR 23-22.
Base height55 to 65 ftMinimum to maximum street wall (ZR 23-432).
Max building height75 ftZR 23-432.
Max height with UAP95 ftBase up to 85 ft.
Residential towerNot allowedZR 23-435.

R8B lots in the data

7,362
Parcels citywide
218
High-opportunity lots
3.57
Avg built FAR
4
Avg max resid. FAR

Where R8B lots are

Browse by area in the neighborhood index.

R8B zoning questions

What is the maximum FAR in R8B?

Residential FAR in R8B is 4.0 (ZR 23-22). Floor area on a lot is that ratio times the lot area.

How tall can a building be in R8B?

R8B caps buildings at 75 feet, with a base of 55 to 65 ft (ZR 23-432). With the affordable-housing bonus the cap is 95 feet.

How built-out are R8B lots?

The average R8B lot is built to 3.57 FAR against an average maximum residential FAR of 4 in MapPLUTO 26v2, so about 11% of allowed floor area is unused on the average lot. Lots vary; open any one on the map.

Does City of Yes affect R8B lots?

7,362 of 7,362 R8B 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 R8B lot

The NYRezone NYC zoning map shows zoning, buildable area and unused floor area for every parcel. No login.

Related R8 districts

R8R8A

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.