4137 3rd Avenue, The Bronx

A 1931 hospital or health facility on 3rd Avenue with 49 open violations on record across city enforcement files.

4137 3rd Avenue is a hospital or health facility in The Bronx, New York City (BBL 2029230027). The property is zoned M1-4/R7X, on a 7,337 sq ft lot, with 2 floors and 3 residential units. It was built in 1931. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 49 open building violations for this lot as of 2026-07-05.

Property facts

BBL	2029230027
Borough	The Bronx — Community District 6
Neighborhood	Tremont
ZIP code	10457
Zoning district	M1-4/R7X
Building class	I5 — hospital or health facility (what’s a building class?)
Land use	08 — Public facilities & institutions
Lot area	7,337 sq ft
Floors	2
Residential units	3
Year built	1931
FAR	1.27 built · 5 max residential · 2 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

35 open Department of Buildings violations
14 open ECB (OATH) violations — $20,465 in penalties due
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.