3800 Waldo Avenue, The Bronx

An elevator apartment building rising 20 floors on Waldo Avenue, built in 1966, zoned R6.

3800 Waldo Avenue is an elevator apartment building in The Bronx, New York City (BBL 2057770772). The property is zoned R6, on a 67,750 sq ft lot, with 20 floors and 173 residential units. It was built in 1966. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 9 open building violations for this lot as of 2026-07-05.

Property facts

BBL	2057770772
Borough	The Bronx — Community District 8
Neighborhood	Kingsbridge-Marble Hill
ZIP code	10463
Zoning district	R6
Building class	D4 — elevator apartment building (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	67,750 sq ft
Floors	20
Residential units	173
Year built	1966
FAR	2.28 built · 2.43 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

3 open Department of Buildings violations
1 open ECB (OATH) violation — $5,000 in penalties due
5 open Housing Preservation & Development violations
Façade safety filing status: SWARMP (latest filing 2024-02-21)

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.