357 9 Street, Brooklyn

A 1920 condominium on 9 Street with 37 open violations on record across city enforcement files.

357 9 Street is a condominium in Brooklyn, New York City (BBL 3010057502). The property is zoned R6A, on a 14,582 sq ft lot, with 0 floors and 132 residential units. It was built in 1920. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 37 open building violations for this lot as of 2026-07-05.

Property facts

BBL	3010057502
Borough	Brooklyn — Community District 6
Neighborhood	Park Slope
ZIP code	11215
Zoning district	R6A
Building class	RM — condominium (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	14,582 sq ft
Floors	0
Residential units	132
Year built	1920
FAR	5.23 built · 3 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
3 open ECB (OATH) violations — $8,125 in penalties due
33 open Housing Preservation & Development violations
Façade safety filing status: SWARMP (latest filing 2022-02-09)

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.