3603 Broadway, Manhattan

A 1900 elevator apartment building on Broadway with 54 residential units on record, zoned R8.

3603 Broadway is an elevator apartment building in Manhattan, New York City (BBL 1020950031). The property is zoned R8, on a 6,792 sq ft lot, with 7 floors and 54 residential units. It was built in 1900. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 2 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1020950031
Borough	Manhattan — Community District 9
Neighborhood	Hamilton Heights-Sugar Hill
ZIP code	10031
Zoning district	R8
Building class	D7 — elevator apartment building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	6,792 sq ft
Floors	7
Residential units	54
Year built	1900
FAR	5.12 built · 6.02 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

1 open Department of Buildings violation
0 open ECB (OATH) violations
1 open Housing Preservation & Development violation
Façade safety filing status: SAFE (latest filing 2022-05-19)

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.