7104 3 Avenue, Brooklyn

A 1931 mixed residential and commercial building on 3 Avenue with 3 residential units on record, zoned R6B.

7104 3 Avenue is a mixed residential and commercial building in Brooklyn, New York City (BBL 3058900039). The property is zoned R6B, on a 2,000 sq ft lot, with 3 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 4 open building violations for this lot as of 2026-07-05.

Property facts

BBL	3058900039
Borough	Brooklyn — Community District 10
Neighborhood	Bay Ridge
ZIP code	11209
Zoning district	R6B
Building class	S2 — mixed residential and commercial building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	2,000 sq ft
Floors	3
Residential units	3
Year built	1931
FAR	1.65 built · 2 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

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

Run a free lookupFree account — no card required

See plans & the one-time dossier

Watch this propertyAlerts on new permits, violations & sales

Nearby on this block

Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.