866 Avenue of the Amer, Manhattan

A 1914 office building on Avenue of the Amer with 16 open violations on record across city enforcement files.

866 Avenue of the Amer is an office building in Manhattan, New York City (BBL 1008320006). The property is zoned C6-4X, on a 2,870 sq ft lot, with 12 floors and 13 residential units. It was built in 1914. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 16 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1008320006
Borough	Manhattan — Community District 5
Neighborhood	Midtown South-Flatiron-Union Square
Zoning district	C6-4X
Building class	O6 — office building (what’s a building class?)
Land use	05 — Commercial & office buildings
Lot area	2,870 sq ft
Floors	12
Residential units	13
Year built	1914
FAR	11.19 built · 10 max residential · 10 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

15 open Department of Buildings violations
1 open ECB (OATH) violation — $10,000 in penalties due
0 open Housing Preservation & Development violations
Façade safety filing status: SAFE (latest filing 2022-08-28)

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.