850 Longwood Avenue, The Bronx

A 1925 elevator apartment building on Longwood Avenue with 37 open violations on record across city enforcement files.

850 Longwood Avenue is an elevator apartment building in The Bronx, New York City (BBL 2026880048). The property is zoned R7-1, on a 8,125 sq ft lot, with 6 floors and 45 residential units. It was built in 1925. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 37 open building violations for this lot as of 2026-07-05.

Property facts

BBL	2026880048
Borough	The Bronx — Community District 2
Neighborhood	Longwood
ZIP code	10459
Zoning district	R7-1
Building class	D7 — elevator apartment building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	8,125 sq ft
Floors	6
Residential units	45
Year built	1925
FAR	5.02 built · 3.44 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

11 open Department of Buildings violations
7 open ECB (OATH) violations — $11,563 in penalties due
19 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.