100 1 Avenue, Manhattan

A 1984 condominium on 1 Avenue with 20 open violations on record across city enforcement files.

100 1 Avenue is a condominium in Manhattan, New York City (BBL 1013417503). The property is zoned C1-9, on a 25,179 sq ft lot, with 49 floors and 238 residential units. It was built in 1984. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 20 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1013417503
Borough	Manhattan — Community District 6
Neighborhood	East Midtown-Turtle Bay
ZIP code	10009
Zoning district	C1-9
Building class	R4 — condominium (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	25,179 sq ft
Floors	49
Residential units	238
Year built	1984
FAR	14.21 built · 10 max residential · 2 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

12 open Department of Buildings violations
5 open ECB (OATH) violations — $3,750 in penalties due
3 open Housing Preservation & Development violations
Façade safety filing status: UNSAFE (latest filing 2025-12-18)

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)

Run a free lookupFree account — no card required

See plans & the one-time dossier

Watch this propertyAlerts on new permits, violations & sales

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.