331 East 71 Street, Manhattan

An elevator apartment building on a 12,771 sq ft Manhattan lot on East 71 Street, zoned R8B, built in 1940.

331 East 71 Street is an elevator apartment building in Manhattan, New York City (BBL 1014460014). The property is zoned R8B, on a 12,771 sq ft lot, with 6 floors and 55 residential units. It was built in 1940. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 4 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1014460014
Borough	Manhattan — Community District 8
Neighborhood	Upper East Side-Lenox Hill-Roosevelt Island
ZIP code	10021
Zoning district	R8B
Building class	D7 — elevator apartment building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	12,771 sq ft
Floors	6
Residential units	55
Year built	1940
FAR	4.73 built · 4 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

4 open Department of Buildings violations
0 open ECB (OATH) violations
0 open Housing Preservation & Development violations
Façade safety filing status: SWARMP (latest filing 2021-10-18)

Violation counts as of 2026-07-05.

Absence of a record means none on file in NYC municipal records — not a certification of compliance.

The complete dossier also covers:

Buildable floor area (residential & commercial)
Recorded ownership & last sale
Recorded mortgages & open debt stack
LL97 carbon exposure by compliance period
Flood coverage percentage & base flood elevation
Climate projections for this lot
Open permits & construction pipeline
Distress signal convergence
Air rights & transferable development rights
Comparable sales (Pro)

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Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.