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Two family converted from one family
427 WASHINGTON AVENUE
BROOKLYN · Clinton Hill · BIN 3056056
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1870Year Built
3Stories
B3Building Class
R6BZoning
2,325 sfGross Floor Area
2Units
Rent Stabilized25 Open Violations 22 unresolved · 3 paperwork only ▸FDNY Report ↗
Two family converted from one family · 2,370 sf lot · 0.98 FAR built · Flood zone X
Locations of Work
ArchitectureLandscapeGeneral
Filed — no permit issued1p · 1 filing · 3 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
BILLY ENTERPRISES203/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
GREEN DESIGN110/02/2020
Building Lifecycle
All (33)Filed (1)Violation (32)
11/25/2025
Violation issued (HPD, open)
I
12/04/2024
Violation issued (HPD, open)
I
11/28/2023
Violation issued (HPD, open)
I
11/17/2022
Violation issued (HPD, open)
I
03/17/2022
Violation issued (HPD, open)
I
09/04/2021
Violation issued (HPD, open)
B
09/04/2021
Violation issued (HPD, open)
B
06/03/2021
Violation issued (ECB, closed)
Construction
04/21/2021
Violation issued (HPD, open)
I
12/29/2020
Violation issued (ECB, closed)
Construction
12/23/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/02/2020
Filed — Alteration
B00407307-I1
09/30/2020
Violation issued (ECB, open)
Construction
09/30/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/08/2019
Violation issued (HPD, open)
I
01/10/2018
Violation issued (HPD, open)
I
07/27/2016
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/29/2016
Violation issued (ECB, closed)
Construction
12/19/2015
Violation issued (HPD, closed)
B
12/19/2015
Violation issued (HPD, closed)
C
12/19/2015
Violation issued (HPD, open)
C
12/19/2015
Violation issued (HPD, open)
C
03/26/2003
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/26/2003
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/26/2003
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/04/2001
Violation issued (ECB, open)
Construction
06/04/2001
Violation issued (DOB, open)
VW-VIOLATION WORK WITHOUT PERMIT - ACTIVE
02/08/2001
Violation issued (HPD, open)
B
02/08/2001
Violation issued (HPD, open)
B
05/04/1999
Violation issued (DOB, open)
VW-VIOLATION WORK WITHOUT PERMIT - ACTIVE
05/04/1999
Violation issued (ECB, open)
Construction
10/27/1997
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/27/1997
Violation issued (ECB, closed)
Construction
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 3 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch - Sidewalk Shed1
09/02/2026B00407307-I1Request digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
09/02/2026B00407307-I1Open ↗
▸Safety & Tenant Protection1
▸DOB NOWTenant Protection Plan1
09/02/2026B00407307-I1Open ↗