173 East 71 Street, Manhattan

A 1869 condominium in the Upper East Side Historic District historic district, on East 71 Street, zoned R8B.

173 East 71 Street is a condominium in Manhattan, New York City (BBL 1014067501). The property is zoned R8B, on a 3,048 sq ft lot, with 5 floors and 2 residential units. It was built in 1869. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 6 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1014067501
Borough	Manhattan — Community District 8
Neighborhood	Upper East Side-Carnegie Hill
Zoning district	R8B
Building class	R6 — condominium (what’s a building class?)
Land use	02 — Multi-family walk-up buildings
Lot area	3,048 sq ft
Floors	5
Residential units	2
Year built	1869
FAR	2.66 built · 4 max residential · 0 max commercial Learn: What is FAR?
Historic district	Upper East Side Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

6 open Department of Buildings violations
0 open ECB (OATH) violations
0 open Housing Preservation & Development violations

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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Nearby on this block

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