18 West 86 Street, Manhattan

A 1907 educational facility on West 86 Street carrying 4.13 FAR of unused residential development rights on record under its R10A zoning.

18 West 86 Street is an educational facility in Manhattan, New York City (BBL 1011990044). The property is zoned R10A, on a 2,554 sq ft lot, with 5 floors. It was built in 1907. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 1 open building violation for this lot as of 2026-07-05.

Property facts

BBL	1011990044
Borough	Manhattan — Community District 7
Neighborhood	Upper West Side (Central)
Zoning district	R10A
Building class	W8 — educational facility (what’s a building class?)
Land use	08 — Public facilities & institutions
Lot area	2,554 sq ft
Floors	5
Residential units	0
Year built	1907
FAR	5.87 built · 10 max residential · 0 max commercial Learn: What is FAR?
Historic district	Upper West Side / Central Park West Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

1 open Department of Buildings violation
0 open ECB (OATH) violations
0 open Housing Preservation & Development violations

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.