401 1 Avenue, Manhattan

A 1970 elevator apartment building on 1 Avenue with 149 open violations on record across city enforcement files.

401 1 Avenue is an elevator apartment building in Manhattan, New York City (BBL 1009290001). The property is zoned C1-9A, on a 104,861 sq ft lot, with 27 floors and 522 residential units. It was built in 1970. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 149 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1009290001
Borough	Manhattan — Community District 6
Neighborhood	Gramercy
Zoning district	C1-9A
Building class	D4 — elevator apartment building (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	104,861 sq ft
Floors	27
Residential units	522
Year built	1970
FAR	8.85 built · 10 max residential · 2 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

47 open Department of Buildings violations
26 open ECB (OATH) violations — $6,500 in penalties due
76 open Housing Preservation & Development violations
Façade safety filing status: SWARMP (latest filing 2025-12-22)

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.