400 East 56 Street, Manhattan

An elevator apartment building rising 38 floors on East 56 Street, built in 1969, zoned R10.

400 East 56 Street is an elevator apartment building in Manhattan, New York City (BBL 1013670001). The property is zoned R10, on a 46,763 sq ft lot, with 38 floors and 636 residential units. It was built in 1969. 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	1013670001
Borough	Manhattan — Community District 6
Neighborhood	East Midtown-Turtle Bay
ZIP code	10022
Zoning district	R10
Building class	D4 — elevator apartment building (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	46,763 sq ft
Floors	38
Residential units	636
Year built	1969
FAR	20.69 built · 10 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

2 open Department of Buildings violations
1 open ECB (OATH) violation
3 open Housing Preservation & Development violations
Façade safety filing status: SAFE (latest filing 2023-02-02)

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.