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Three families
39 BAY 23 STREET
BROOKLYN · BIN 3166855
💬 Discuss this project
1910Year Built
2.75Stories
C0Building Class
R5Zoning
2,769 sfGross Floor Area
3Units
Rent Stabilized10 Open Violations 9 unresolved · 1 paperwork only ▸FDNY Report ↗
Three families · 3,867 sf lot · 0.72 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbingLandscape
Floor 34p · 2 filings · 20 docs
Floor 24p · 2 filings · 20 docs
Floor 14p · 2 filings · 20 docs
Cellar2p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
H&Z BUILDING CONSULTING I303/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/08/2021$1.9M—Private party → Private party$686/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
LU ENGINEERING SERVICE PC709/12/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
H Z BUILDING NY1403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MEGA GENERAL CONSTRUCTIONGeneral Contractor603/21/2026
H&Z BUILDING CONSULTING IGeneral Contractor203/21/2026
TRI STATE PLBG & HTG INCPlumbing207/08/2026
KWONG MING ELECTRIC INCElectrical103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
LU ENGINEERING SERVICE PC6575709/12/2024
Building Lifecycle
All (77)Filed (7)Permit Issued (5)Signed Off (2)Violation (17)Inspection (8)Objection (8)Special Inspection (30)
05/01/2026
Violation issued (HPD, open)
A
11/19/2025
Violation issued (HPD, open)
I
06/06/2025
Violation issued (HPD, open)
A
01/30/2025
Violation issued (ECB, open)
Construction
11/26/2024
Violation issued (HPD, open)
I
09/25/2024
Special inspection requirement — Masonry
DONGSHENG LU
09/25/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
DONGSHENG LU
09/25/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
DONGSHENG LU
09/25/2024
Special inspection requirement — Tenant Protection Plan Compliance
DONGSHENG LU
09/25/2024
Special inspection requirement — Concrete - Cast-In-Place
DONGSHENG LU
09/18/2024
Objection raised — Other
09/18/2024
Objection resolved — Addressed
09/12/2024
Filed — Alteration
PROPOSED EXTERIOR WORK WITH REPLACING THE REAR DECK AND STAIR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01080458-P1
09/10/2024
Special inspection requirement — Concrete - Cast-In-Place
DONGSHENG LU
09/10/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
DONGSHENG LU
09/10/2024
Special inspection requirement — Masonry
DONGSHENG LU
09/10/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
DONGSHENG LU
09/10/2024
Special inspection requirement — Tenant Protection Plan Compliance
DONGSHENG LU
08/19/2024
Permit issued — General Construction
B01080458-I1-GC
08/07/2024
Objection resolved — Addressed
08/07/2024
Objection resolved — Addressed
08/07/2024
Objection resolved — Addressed
08/06/2024
Objection raised — Scope
08/06/2024
Objection raised — Zoning
08/06/2024
Objection raised — Scope
07/30/2024
Filed — Alteration
PROPOSED EXTERIOR WORK WITH REPLACING THE REAR DECK AND STAIR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01080458-I1
04/08/2024
Violation issued (HPD, open)
A
11/20/2023
Violation issued (HPD, open)
I
09/21/2023
Signed off — Alteration
INTERIOR RENOVATION ON CEL, 1ST, 2ND & 3RD FLOOR, REPAIRING PARTITION, FLOORING, CEILING AS PER PLAN. EXTERIOR WORK WITH REPLACING THE WALL SURFACE. REMOVE ECB#39509804K, #39509805M, #39509806Y. NO CHANGE IN USE, EGRESS OR OCCUPANCY.PLUMBING WORK FILE SEP
B00653523-I1
09/21/2023
Signed off — Alteration
B00653526-I1
06/16/2023
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
06/05/2023
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
05/31/2023
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
03/21/2023
Violation issued (HPD, open)
A
01/09/2023
Permit issued — General Construction
B00653523-I1-GC
12/22/2022
Filed — Alteration
INTERIOR RENOVATION ON CEL, 1ST, 2ND & 3RD FLOOR, REPAIRING PARTITION, FLOORING, CEILING AS PER PLAN. EXTERIOR WORK WITH REPLACING THE WALL SURFACE. REMOVE ECB#39509804K, #39509805M, #39509806Y. NO CHANGE IN USE, EGRESS OR OCCUPANCY.PLUMBING WORK FILE SEP
B00653523-P2
12/21/2022
Special inspection requirement — Air barrier - visual inspection
DONGSHENG LU
12/21/2022
Special inspection requirement — Chimneys and vents
DONGSHENG LU
12/21/2022
Special inspection requirement — Concrete - Cast-In-Place
DONGSHENG LU
12/21/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
DONGSHENG LU
12/21/2022
Special inspection requirement — Structural Stability – Alterations of existing buildings
DONGSHENG LU
12/21/2022
Special inspection requirement — Energy Code Compliance Inspections
DONGSHENG LU
12/21/2022
Special inspection requirement — Fire-Resistance Rated Construction
DONGSHENG LU
12/21/2022
Special inspection requirement — Fenestration and door U-factor and product ratings
DONGSHENG LU
12/21/2022
Special inspection requirement — Fenestration areas
DONGSHENG LU
12/21/2022
Special inspection requirement — Fenestration air leakage
DONGSHENG LU
12/21/2022
Special inspection requirement — Interior lighting power
DONGSHENG LU
12/01/2022
Violation issued (ECB, closed)
Construction
12/01/2022
Violation issued (ECB, closed)
Construction
12/01/2022
Violation issued (ECB, closed)
Construction
11/25/2022
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
11/23/2022
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
11/09/2022
Violation issued (HPD, open)
I
09/13/2022
Filed — Alteration
INTERIOR RENOVATION ON CEL, 1ST, 2ND & 3RD FLOOR, REPAIRING PARTITION, FLOORING, CEILING AS PER PLAN. EXTERIOR WORK WITH REPLACING THE WALL SURFACE. REMOVE ECB#39509804K, #39509805M, #39509806Y. NO CHANGE IN USE, EGRESS OR OCCUPANCY.PLUMBING WORK FILE SEP
B00653523-P1
09/12/2022
Special inspection requirement — Air barrier - visual inspection
DONGSHENG LU
09/12/2022
Special inspection requirement — Fenestration air leakage
DONGSHENG LU
09/12/2022
Special inspection requirement — Interior lighting power
DONGSHENG LU
09/12/2022
Special inspection requirement — Fenestration areas
DONGSHENG LU
09/12/2022
Special inspection requirement — Fenestration and door U-factor and product ratings
DONGSHENG LU
09/12/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
DONGSHENG LU
Latest 60 of 77 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedMEGA GENERAL CONSTRUCTION08/19/2024
DOB NOWGeneral ConstructionSigned-offMEGA GENERAL CONSTRUCTION01/09/2023
DOB NOWPlumbingSigned-offDW PLUMBING INC06/29/2022
DOB NOWPlumbingSigned-offDW PLUMBING INC01/28/2022
DOB NOWGeneral ConstructionSigned-offH&Z BUILDING CONSULTING I01/13/2022
2 projects · most recent 06/21/2023
General Wiring
FiledStatusContractorScope
06/21/2023CompleteKWONG MING ELECTRIC INC4 meters, 4 new_meters
03/25/2022CompleteKWONG MING ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
06/16/2023Pass-Final General Construction Non-Directive 14PassView ↗
06/05/2023Fail-Final General Construction Non-Directive 14FailView ↗
05/31/2023Fail-Final General Construction Non-Directive 14FailView ↗
11/25/2022Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
11/23/2022Fail-Final PL - Up to 3 Requested FloorsFailView ↗
07/08/2022Certified Gas-Gas-Piping-RoughingCertifiedView ↗
07/08/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/08/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 37
DateRequirementInspectorRole
09/25/2024MasonryDONGSHENG LUspecial
09/25/2024Fire-Resistant Penetrations and JointsDONGSHENG LUspecial
09/25/2024Structural Stability – Alterations of existing buildingsDONGSHENG LUspecial
09/25/2024Tenant Protection Plan ComplianceDONGSHENG LUspecial
09/25/2024Concrete - Cast-In-PlaceDONGSHENG LUspecial
09/10/2024Concrete - Cast-In-PlaceDONGSHENG LUspecial
09/10/2024Fire-Resistant Penetrations and JointsDONGSHENG LUspecial
09/10/2024MasonryDONGSHENG LUspecial
09/10/2024Structural Stability – Alterations of existing buildingsDONGSHENG LUspecial
09/10/2024Tenant Protection Plan ComplianceDONGSHENG LUspecial
12/21/2022Air barrier - visual inspectionDONGSHENG LUenergy_progress
12/21/2022Chimneys and ventsDONGSHENG LUspecial
12/21/2022Concrete - Cast-In-PlaceDONGSHENG LUspecial
12/21/2022Fire-Resistant Penetrations and JointsDONGSHENG LUspecial
12/21/2022Structural Stability – Alterations of existing buildingsDONGSHENG LUspecial
12/21/2022Energy Code Compliance InspectionsDONGSHENG LUprogress
12/21/2022Fire-Resistance Rated ConstructionDONGSHENG LUprogress
12/21/2022Fenestration and door U-factor and product ratingsDONGSHENG LUenergy_progress
12/21/2022Fenestration areasDONGSHENG LUenergy_progress
12/21/2022Fenestration air leakageDONGSHENG LUenergy_progress
12/21/2022Interior lighting powerDONGSHENG LUenergy_progress
09/12/2022Air barrier - visual inspectionDONGSHENG LUenergy_progress
09/12/2022Fenestration air leakageDONGSHENG LUenergy_progress
09/12/2022Interior lighting powerDONGSHENG LUenergy_progress
09/12/2022Fenestration areasDONGSHENG LUenergy_progress
Latest 25 of 37.
▾Documents — 60 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/31/2026B00653526-I1Request digital key ↗
08/31/2026B00653526-P1Request digital key ↗
08/31/2026B00653523-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications44
▸DOB NOWSpecial Inspector Seal & Signature19
09/01/2026B01080458-I1Open ↗
09/01/2026B01080458-I1Open ↗
09/01/2026B01080458-I1Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWProgress Inspector Seal & Signature18
08/26/2026B00653526-I1Open ↗
08/26/2026B00653526-I1Open ↗
08/26/2026B00653526-I1Open ↗
Showing 3 of 18 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/31/2026B00653526-I1Open ↗
08/31/2026B00653526-P1Open ↗
08/31/2026B00653523-I1Open ↗
Showing 3 of 7 on file for this type
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/31/2026B00653526-P1Open ↗
08/31/2026B00653526-I1Open ↗
08/31/2026B00653523-P1Open ↗
Showing 3 of 7 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis2
08/13/2026B00653526-I1Open ↗
08/13/2026B00653523-I1Open ↗