770 Lexington Avenue, Manhattan

An office building rising 20 floors on Lexington Avenue, built in 1960, zoned C5-2.

770 Lexington Avenue is an office building in Manhattan, New York City (BBL 1013950017). The property is zoned C5-2, on a 10,543 sq ft lot, with 20 floors and 35 residential units. It was built in 1960. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 7 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1013950017
Borough	Manhattan — Community District 8
Neighborhood	Upper East Side-Carnegie Hill
ZIP code	10065
Zoning district	C5-2
Building class	O4 — office building (what’s a building class?)
Land use	05 — Commercial & office buildings
Lot area	10,543 sq ft
Floors	20
Residential units	35
Year built	1960
FAR	14.87 built · 10 max residential · 10 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

3 open Department of Buildings violations
4 open ECB (OATH) violations — $6,150 in penalties due
0 open Housing Preservation & Development violations
Façade safety filing status: UNSAFE (latest filing 2022-02-17)

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.