644 Driggs Avenue, Brooklyn

A 1910 walk-up apartment building on Driggs Avenue with 66 open violations on record across city enforcement files.

644 Driggs Avenue is a walk-up apartment building in Brooklyn, New York City (BBL 3023520025). The property is zoned M1-2/R6B, on a 4,080 sq ft lot, with 4 floors and 23 residential units. It was built in 1910. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 66 open building violations for this lot as of 2026-07-05.

Property facts

BBL	3023520025
Borough	Brooklyn — Community District 1
Neighborhood	Williamsburg
ZIP code	11211
Zoning district	M1-2/R6B
Building class	C7 — walk-up apartment building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	4,080 sq ft
Floors	4
Residential units	23
Year built	1910
FAR	3.66 built · 2 max residential · 2 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

0 open Department of Buildings violations
4 open ECB (OATH) violations
62 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.