801 Riverside Drive, Manhattan

A 1919 condominium on Riverside Drive carrying 2.55 FAR of unused residential development rights on record under its R8 zoning.

801 Riverside Drive is a condominium in Manhattan, New York City (BBL 1021347501). The property is zoned R8, on a 11,891 sq ft lot, with 6 floors and 48 residential units. It was built in 1919. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 66 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1021347501
Borough	Manhattan — Community District 12
Neighborhood	Washington Heights (South)
Zoning district	R8
Building class	R4 — condominium (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	11,891 sq ft
Floors	6
Residential units	48
Year built	1919
FAR	3.47 built · 6.02 max residential · 0 max commercial Learn: What is FAR?
Historic district	Audubon Park Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

5 open Department of Buildings violations
10 open ECB (OATH) violations
51 open Housing Preservation & Development violations
Façade safety filing status: UNFILED

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.