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Four families
351 JEFFERSON AVENUE
BROOKLYN · BIN 3052113
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1900Year Built
3Stories
C3Building Class
R6AZoning
3,420 sfGross Floor Area
4Units
Rent Stabilized45 Open Violations ▸
Four families · Owner of record: 351 JEFFERSON GROUP L.L.C. · 1,525 sf lot · 2.24 FAR built · Flood zone X
Locations of Work
Architecture
Roof1p · 1 filing · 17 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
351JEFFERSONGROUP404/09/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC205/08/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KAMTECH RESTORATION CORP203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAMTECH RESTORATION CORPGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802205/08/2026
Building Lifecycle
All (71)Filed (2)Permit Issued (1)Signed Off (1)Violation (57)Special Inspection (10)
07/15/2026
Signed off — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01317380-I1
05/15/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Kaijin Liang
05/15/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
05/15/2026
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
05/15/2026
Special inspection requirement — Final
Kaijin Liang
05/15/2026
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
05/08/2026
Filed — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01317380-P1
05/08/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
05/08/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Kaijin Liang
05/08/2026
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
05/08/2026
Special inspection requirement — Final
Kaijin Liang
05/08/2026
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
05/05/2026
Violation issued (HPD, open)
A
11/28/2025
Permit issued — Solar
B01317380-I1-SL
11/19/2025
Violation issued (HPD, open)
I
11/11/2025
Filed — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01317380-I1
06/10/2025
Violation issued (HPD, open)
A
11/27/2024
Violation issued (HPD, closed)
I
06/17/2024
Violation issued (HPD, open)
C
06/17/2024
Violation issued (HPD, closed)
A
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
C
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
B
06/17/2024
Violation issued (HPD, open)
B
04/10/2024
Violation issued (HPD, open)
A
03/23/2023
Violation issued (HPD, open)
A
11/10/2022
Violation issued (HPD, closed)
I
02/25/2022
Violation issued (HPD, closed)
I
02/25/2022
Violation issued (HPD, open)
A
12/08/2021
Violation issued (HPD, open)
A
12/08/2021
Violation issued (HPD, open)
C
04/09/2021
Violation issued (HPD, open)
A
04/09/2021
Violation issued (HPD, closed)
I
10/30/2019
Violation issued (HPD, closed)
I
10/18/2018
Violation issued (HPD, closed)
I
11/24/2017
Violation issued (HPD, closed)
I
11/10/2016
Violation issued (HPD, closed)
I
10/09/2015
Violation issued (HPD, closed)
I
10/01/2015
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/03/2015
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/23/2015
Violation issued (HPD, closed)
I
05/04/1998
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/16/1997
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/10/1997
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/29/1995
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/01/1994
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/16/1993
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/01/1993
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/05/1989
Violation issued (HPD, open)
B
09/05/1989
Violation issued (HPD, open)
B
04/06/1989
Violation issued (HPD, open)
B
04/06/1989
Violation issued (HPD, open)
B
04/06/1989
Violation issued (HPD, open)
B
04/06/1989
Violation issued (HPD, open)
B
Latest 60 of 71 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offKAMTECH RESTORATION CORP11/28/2025
2 projects · most recent 11/04/2025
General Wiring
FiledStatusContractorScope
11/04/2025CompleteBERGER QUALITY ELEC'L CON—
01/07/2025Permit IssuedE D ELECTRICAL INCGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
05/15/2026Structural Stability – Alterations of existing buildingsKaijin Liangspecial
05/15/2026Fire-Resistant Penetrations and JointsKaijin Liangspecial
05/15/2026Energy Code Compliance InspectionsKaijin Liangprogress
05/15/2026FinalKaijin Liangprogress
05/15/2026Air barrier - visual inspectionKaijin Liangenergy_progress
05/08/2026Fire-Resistant Penetrations and JointsKaijin Liangspecial
05/08/2026Structural Stability – Alterations of existing buildingsKaijin Liangspecial
05/08/2026Energy Code Compliance InspectionsKaijin Liangprogress
05/08/2026FinalKaijin Liangprogress
05/08/2026Air barrier - visual inspectionKaijin Liangenergy_progress
▾Documents — 17 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/17/2026B01317380-P1Request digital key ↗
08/17/2026B01317380-I1Request digital key ↗
▸Seals & Professional Certifications12
▸DOB NOWProgress Inspector Seal & Signature6
08/24/2026B01317380-I1Open ↗
08/24/2026B01317380-I1Open ↗
08/24/2026B01317380-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
08/24/2026B01317380-I1Open ↗
08/24/2026B01317380-I1Open ↗
08/23/2026B01317380-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/17/2026B01317380-P1Open ↗
08/13/2026B01317380-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/17/2026B01317380-P1Open ↗
08/13/2026B01317380-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/17/2026B01317380-I1Open ↗