21-51 34 Avenue, Queens

A 1950 elevator apartment building on 34 Avenue with 23 open violations on record across city enforcement files.

21-51 34 Avenue is an elevator apartment building in Queens, New York City (BBL 4005590002). The property is zoned R5, on a 241,500 sq ft lot, with 6 floors and 386 residential units. It was built in 1950. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 23 open building violations for this lot as of 2026-07-05.

Property facts

BBL	4005590002
Borough	Queens — Community District 1
Neighborhood	Queensbridge-Ravenswood-Dutch Kills
Zoning district	R5
Building class	D7 — elevator apartment building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	241,500 sq ft
Floors	6
Residential units	386
Year built	1950
FAR	1.51 built · 1.5 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
8 open ECB (OATH) violations
4 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.