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Four families
123A HALSEY STREET
BROOKLYN · BIN 3052713
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1889Year Built
3Stories
C3Building Class
R6BZoning
3,240 sfGross Floor Area
4Units
Rent Stabilized2 Open Violations ▸FDNY Report ↗
Four families · 1,314 sf lot · 2.47 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Permit Issued — active, not yet Signed-off
Floor 3Under Construction4p · 1 filing · 20 docs
Floor 2Under Construction4p · 1 filing · 20 docs
Floor 1Under Construction4p · 1 filing · 20 docs
CellarUnder Construction5p · 1 filing · 20 docs
Sub-BasementUnder Construction4p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/03/2025$2.0M—Private party → Private party$633/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC307/28/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HUAN DESIGN INC203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GENE HUMPHREYSElectrical103/21/2026
H & K RENOVATION INCGeneral Contractor104/09/2026
AMERICAN STANDARD P&H CORORP.Plumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802307/28/2026
Building Lifecycle
All (30)Filed (3)Permit Issued (2)Violation (13)Inspection (1)Special Inspection (11)
08/17/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
07/28/2026
Filed — Alteration
INTERIOR RENOVATION OF EXISTING 2 FAMILY HOUSE, NO CHANGE IN EGRESS USE OR OCCUPANCY.
B01321626-P1
07/28/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
07/28/2026
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
07/28/2026
Special inspection requirement — HVAC-R and service water heating equipment
Kaijin Liang
07/28/2026
Special inspection requirement — Maintenance information
Kaijin Liang
07/28/2026
Special inspection requirement — HVAC-R and service water heating system controls
Kaijin Liang
07/28/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Kaijin Liang
01/08/2026
Permit issued — General Construction
B01321626-I1-GC
01/08/2026
Permit issued — Plumbing
B01321626-S1-PL
12/03/2025
Filed — Alteration
INTERIOR RENOVATION OF EXISTING 2 FAMILY HOUSE, NO CHANGE IN EGRESS USE OR OCCUPANCY.
B01321626-I1
12/03/2025
Filed — Alteration
INTERIOR RENOVATION OF EXISTING 2 FAMILY HOUSE, NO CHANGE IN EGRESS USE OR OCCUPANCY.
B01321626-S1
12/02/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
12/02/2025
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
12/02/2025
Special inspection requirement — Fire-Resistance Rated Construction
Kaijin Liang
12/02/2025
Special inspection requirement — Lighting in dwelling units
Kaijin Liang
11/24/2025
Violation issued (HPD, open)
I
11/19/2025
Special inspection requirement — Final
Kaijin Liang
11/17/2022
Violation issued (HPD, closed)
I
03/16/2022
Violation issued (HPD, closed)
I
01/26/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/30/2018
Violation issued (HPD, closed)
I
01/09/2018
Violation issued (HPD, closed)
I
11/12/2009
Violation issued (DOB, closed)
VW*-VIOLATION - WORK W/O PERMIT DISMISSED
01/11/2006
Violation issued (HPD, closed)
A
01/11/2006
Violation issued (HPD, closed)
B
01/11/2006
Violation issued (HPD, closed)
A
01/11/2006
Violation issued (HPD, closed)
C
01/11/2006
Violation issued (HPD, closed)
A
01/11/2006
Violation issued (HPD, closed)
A
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedH & K RENOVATION INC01/08/2026
DOB NOWPlumbingPermit IssuedAMERICAN STANDARD P&H CORORP.01/08/2026
BISOTISSUEDFENLEY & NICOL ENVIRONMEN01/22/2010
1 project · most recent 07/28/2026
Gas Water/Sanitary
FiledStatusContractorScope
07/28/2026Permit IssuedAMERICAN STANDARD P&H CORGas, Water/Sanitary
1 project · most recent 01/21/2026
General Wiring
FiledStatusContractorScope
01/21/2026Permit IssuedKJK ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
08/17/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Special Inspection Requirements (DOB NOW) — 11
DateRequirementInspectorRole
07/28/2026Fire-Resistant Penetrations and JointsKaijin Liangspecial
07/28/2026Energy Code Compliance InspectionsKaijin Liangprogress
07/28/2026HVAC-R and service water heating equipmentKaijin Liangenergy_progress
07/28/2026Maintenance informationKaijin Liangenergy_progress
07/28/2026HVAC-R and service water heating system controlsKaijin Liangenergy_progress
07/28/2026HVAC-R and service water piping design and insulationKaijin Liangenergy_progress
12/02/2025Fire-Resistant Penetrations and JointsKaijin Liangspecial
12/02/2025Energy Code Compliance InspectionsKaijin Liangprogress
12/02/2025Fire-Resistance Rated ConstructionKaijin Liangprogress
12/02/2025Lighting in dwelling unitsKaijin Liangenergy_progress
11/19/2025FinalKaijin Liangprogress
▾Documents — 31 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/19/2026B01321626-I1Request digital key ↗
08/19/2026B01321626-P1Request digital key ↗
08/19/2026B01321626-S1Request digital key ↗
▸Applications & Permits5
▸DOB NOWLPC Approval/Permit3
08/19/2026B01321626-P1Open ↗
08/13/2026B01321626-S1Open ↗
08/13/2026B01321626-I1Open ↗
▸BISWORK PERMIT APPLICATION1
01/22/2010320120999Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
01/15/2010320120999Open ↗
▸Seals & Professional Certifications13
▸DOB NOWProgress Inspector Seal & Signature6
08/27/2026B01321626-P1Open ↗
08/27/2026B01321626-P1Open ↗
08/26/2026B01321626-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/19/2026B01321626-I1Open ↗
08/19/2026B01321626-P1Open ↗
08/19/2026B01321626-S1Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2
03/23/2017320120999Open ↗
01/15/2010320120999Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/27/2026B01321626-P1Open ↗
08/26/2026B01321626-I1Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/19/2026B01321626-P1Open ↗
08/19/2026B01321626-S1Open ↗
08/19/2026B01321626-I1Open ↗
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
01/15/2010320120999Open ↗
▸Approvals, Objections & Sign-offs3
▸BISLETTERS - SUPPORTING DOCUMENTATION1
01/15/2010320120999Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
01/15/2010320120999Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
03/23/2017320120999Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
03/23/2017320120999Open ↗
01/15/2010320120999Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
01/15/2010320120999Open ↗