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Two family frame
1023 73 STREET
BROOKLYN · BIN 3147705
💬 Discuss this project
1920Year Built
2.5Stories
B2Building Class
R4-1Zoning
4,378 sfGross Floor Area
2Units
Two family frame · Owner of record: 1023 73 STREET LLC · 6,000 sf lot · 0.73 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire Protection
Roof1p · 1 filing · 3 docs
Floor 233p · 2 filings · 20 docs
Floor 134p · 1 filing · 20 docs
Cellar58p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
1023 73 ST403/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/24/2020$1.5M—Private party → 1023 73 STREET LLC$343/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CO.DE CONSULTING AND DESIGN, INC.1303/27/2025
ADAL ENGINEERING PLLC110/13/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BIG ORANGE EXPEDITING203/21/2026
CO.DE CONSULTING AND DESIGN, INC.603/21/2026
D S CREATIVE INOVATIONS403/21/2026
CO DE CONSULTING DESIGN603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Z.W. PLBG & HTG CORPPlumbing1907/08/2026
MC CONSTRUCTION CONSULTING INCGeneral Contractor1007/08/2026
SAPOL CONSTRUCTION LLCGeneral Contractor907/31/2026
Z & K RENOVATION, CORPGeneral Contractor507/08/2026
BAUER MECHANCIAL LLCPlumbing303/22/2026
AJC SPRINKLER CORPFire Protection207/08/2026
VERA CARTING CORPGeneral Contractor107/31/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SEAD ENGINEERING PC2665803/27/2025
ADAL ENGINEERING PLLC4205210/31/2022
Building Lifecycle
All (77)Filed (14)Permit Issued (22)Signed Off (4)Inspection (9)Special Inspection (28)
07/31/2026
Signed off — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-S4
07/30/2026
Permit issued — Earth Work
B00560630-S4-EA
04/01/2026
Signed off — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-S1
03/31/2026
Permit issued — Structural
B00560630-S1-ST
03/26/2026
Signed off — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-S3
04/24/2025
Signed off — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-S5
03/28/2025
Special inspection requirement — Mechanical Systems
INHWAN CHANG
03/28/2025
Special inspection requirement — Final
YUNHO LEE
03/28/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
INHWAN CHANG
03/28/2025
Special inspection requirement — HVAC-R and service water heating equipment
INHWAN CHANG
03/28/2025
Special inspection requirement — HVAC-R and service water heating system controls
INHWAN CHANG
03/27/2025
Filed — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-P7
09/20/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
09/03/2024
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
02/28/2024
Permit issued — Construction Fence
B00507120-I1-FN
02/06/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
12/15/2023
Permit issued — Plumbing
B00560630-S6-PL
12/13/2023
Permit issued — General Construction
B00560630-I1-GC
11/24/2023
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
11/21/2023
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
07/12/2023
Permit issued — General Construction
B00560630-I1-GC
07/12/2023
Permit issued — Construction Fence
B00507120-I1-FN
07/11/2023
Permit issued — Sprinklers
B00614231-I1-EW-SP
06/23/2023
Permit issued — Construction Fence
B00507120-I1-FN
04/07/2023
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
04/07/2023
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
03/17/2023
Permit issued — Mechanical Systems
B00560630-S5-MS
01/12/2023
Permit issued — General Construction
B00560630-I1-GC
12/30/2022
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
12/30/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
12/14/2022
Permit issued — Plumbing
B00560630-S6-PL
11/28/2022
Permit issued — Sprinklers
B00614231-I1-EW-SP
11/15/2022
Permit issued — General Construction
B00560630-I1-GC
11/09/2022
Special inspection requirement — Lighting in dwelling units
Wieslawa Jasiulewicz Majran
11/09/2022
Special inspection requirement — Structural Stability – Alterations of existing buildings
INHWAN CHANG
11/09/2022
Special inspection requirement — Energy Code Compliance Inspections
Wieslawa Jasiulewicz Majran
11/09/2022
Special inspection requirement — Insulation placement and R values
Wieslawa Jasiulewicz Majran
11/09/2022
Special inspection requirement — Fenestration areas
Wieslawa Jasiulewicz Majran
11/09/2022
Special inspection requirement — Fenestration air leakage
Wieslawa Jasiulewicz Majran
11/09/2022
Special inspection requirement — Air barrier - visual inspection
Wieslawa Jasiulewicz Majran
11/09/2022
Special inspection requirement — Fenestration and door U-factor and product ratings
Wieslawa Jasiulewicz Majran
11/09/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
Wieslawa Jasiulewicz Majran
11/03/2022
Filed — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-P6
10/31/2022
Filed — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-S6
10/13/2022
Filed — Alteration
INSTALLATION OF SPRINKLERS SYSTEM IN 2 FAMILY BUILDING AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B00614231-I1
08/17/2022
Special inspection requirement — Final
YUNHO LEE
08/17/2022
Special inspection requirement — Structural Steel - Details
INHWAN CHANG
08/17/2022
Special inspection requirement — Structural Stability – Alterations of existing buildings
INHWAN CHANG
07/15/2022
Filed — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-P3
07/15/2022
Special inspection requirement — Structural Steel - Details
07/12/2022
Special inspection requirement — Structural Stability – Alterations of existing buildings
INHWAN CHANG
07/12/2022
Special inspection requirement — Final
07/07/2022
Permit issued — General Construction
B00560630-I1-GC
07/04/2022
Permit issued — Construction Fence
B00507120-I1-FN
06/27/2022
Permit issued — Structural
B00560630-S1-ST
05/11/2022
Permit issued — Earth Work
B00560630-S4-EA
05/11/2022
Permit issued — Foundation
B00560630-S3-FO
03/18/2022
Filed — Alteration CO
Installation of new plumbing fixtures. Installation of new gas range/ovens, dryers, and indirect vent boiler.
B00560630-P2
03/17/2022
Special inspection requirement — Footing and Foundation
INHWAN CHANG
03/17/2022
Special inspection requirement — Structural Stability – Alterations of existing buildings
INHWAN CHANG
Latest 60 of 77 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWEarth WorkSigned-offSAPOL CONSTRUCTION LLC07/30/2026
DOB NOWStructuralSigned-offLEON D. DEMATTEIS CONSTR03/31/2026
DOB NOWConstruction FencePermit IssuedZ K RENOVATION02/28/2024
DOB NOWPlumbingPermit IssuedZ.W. PLBG & HTG CORP12/15/2023
DOB NOWGeneral ConstructionPermit IssuedMC CONSTRUCTION CONSULTIN12/13/2023
DOB NOWGeneral ConstructionPermit IssuedMC CONSTRUCTION CONSULTIN07/12/2023
DOB NOWConstruction FencePermit IssuedMC CONSTRUCTION CONSULTIN07/12/2023
DOB NOWSprinklersSigned-offAJC SPRINKLER CORP07/11/2023
DOB NOWConstruction FencePermit IssuedMC CONSTRUCTION CONSULTIN06/23/2023
DOB NOWMechanical SystemsSigned-offMC CONSTRUCTION CONSULTIN03/17/2023
DOB NOWGeneral ConstructionPermit IssuedMC CONSTRUCTION CONSULTIN01/12/2023
DOB NOWPlumbingPermit IssuedZ.W. PLBG & HTG CORP12/14/2022
DOB NOWSprinklersSigned-offAJC SPRINKLER CORP11/28/2022
DOB NOWGeneral ConstructionPermit IssuedLEON D. DEMATTEIS CONSTR11/15/2022
DOB NOWGeneral ConstructionPermit IssuedLEON D. DEMATTEIS CONSTR07/07/2022
DOB NOWConstruction FencePermit IssuedLEON D. DEMATTEIS CONSTR07/04/2022
DOB NOWStructuralSigned-offLEON D. DEMATTEIS CONSTR06/27/2022
DOB NOWEarth WorkSigned-offVERA CARTING CORP05/11/2022
DOB NOWFoundationPermit IssuedLEON D. DEMATTEIS CONSTR05/11/2022
DOB NOWConstruction FencePermit IssuedZ K RENOVATION02/28/2022
DOB NOWConstruction FencePermit IssuedZ K RENOVATION05/10/2021
DOB NOWPlumbingSigned-offZ.W. PLBG & HTG CORP04/20/2021
BISOTISSUEDZ & K RENOVATION, CORP03/04/2022
BISOTISSUEDZ & K RENOVATION, CORP01/25/2022
BISOTISSUEDZ & K RENOVATION, CORP04/09/2021
1 project · most recent 03/27/2025
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
03/27/2025Signed-offSAPOL CONSTRUCTION LLCAir Conditioning Systems
Cooling
Mitsubishi Electric MXZ-SM48NAM 48,000 BTU · Condensing Unit ×4
MXZ-3C30NA3-U1 28,400 BTU · Condensing Unit ×2
SUZ-KA18NA2 17,700 BTU · Condensing Unit ×2
1 project · most recent 10/13/2022
FiledStatusContractorScope
10/13/2022Signed-offAJC SPRINKLER CORP—
1 project · most recent 03/27/2025
Gas Storm Water/Sanitary
FiledStatusContractorScope
03/27/2025Permit IssuedZ.W. PLBG & HTG CORPGas, Storm, Water/Sanitary
1 project · most recent 12/19/2024
General Wiring
FiledStatusContractorScope
12/19/2024CompleteELMAC ELECTRIC INC.General Wiring
1 project · most recent 04/27/2021
Fence
FiledStatusContractorScope
04/27/2021Permit IssuedZ & K RENOVATION, CORPFence
▾Field Inspections (DOB CAP) — 9
DateTypeResultReport
09/20/2024Pass-Final CND-Occupancy InspectionPassView ↗
09/03/2024Fail-Final CND-Occupancy InspectionFailView ↗
02/06/2024Pass-Final CND-Occupancy InspectionPassView ↗
11/24/2023Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
11/21/2023Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
04/07/2023Certified Gas-Gas-Piping-RoughingCertifiedView ↗
04/07/2023Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
12/30/2022Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/30/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 28
DateRequirementInspectorRole
03/28/2025Mechanical SystemsINHWAN CHANGspecial
03/28/2025FinalYUNHO LEEprogress
03/28/2025HVAC-R and service water piping design and insulationINHWAN CHANGenergy_progress
03/28/2025HVAC-R and service water heating equipmentINHWAN CHANGenergy_progress
03/28/2025HVAC-R and service water heating system controlsINHWAN CHANGenergy_progress
11/09/2022Lighting in dwelling unitsWieslawa Jasiulewicz Majranenergy_progress
11/09/2022Structural Stability – Alterations of existing buildingsINHWAN CHANGspecial
11/09/2022Energy Code Compliance InspectionsWieslawa Jasiulewicz Majranprogress
11/09/2022Insulation placement and R valuesWieslawa Jasiulewicz Majranenergy_progress
11/09/2022Fenestration areasWieslawa Jasiulewicz Majranenergy_progress
11/09/2022Fenestration air leakageWieslawa Jasiulewicz Majranenergy_progress
11/09/2022Air barrier - visual inspectionWieslawa Jasiulewicz Majranenergy_progress
11/09/2022Fenestration and door U-factor and product ratingsWieslawa Jasiulewicz Majranenergy_progress
11/09/2022HVAC-R and service water piping design and insulationWieslawa Jasiulewicz Majranenergy_progress
08/17/2022FinalYUNHO LEEprogress
08/17/2022Structural Steel - DetailsINHWAN CHANGspecial
08/17/2022Structural Stability – Alterations of existing buildingsINHWAN CHANGspecial
07/15/2022Structural Steel - Details—special
07/12/2022Structural Stability – Alterations of existing buildingsINHWAN CHANGspecial
07/12/2022Final—progress
03/17/2022Footing and FoundationINHWAN CHANGprogress
03/17/2022Structural Stability – Alterations of existing buildingsINHWAN CHANGspecial
03/17/2022Protection of exposed foundation insulationINHWAN CHANGenergy_progress
03/17/2022FinalYUNHO LEEprogress
03/14/2022Protection of exposed foundation insulation—energy_progress
Latest 25 of 28.
▾Documents — 108 on file (BIS + DOB NOW)
▸Plans & Drawings16
▸DOB NOWPlans/Sketch16
09/01/2026B00499280-I1Request digital key ↗
09/01/2026B00507120-I1Request digital key ↗
08/31/2026B00560630-P9Request digital key ↗
Showing 3 of 16 on file for this type
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
04/06/2021340808969Open ↗
▸BISWORK PERMIT APPLICATION1
04/09/2021340808969Open ↗
▸Zoning, Tax Lot & Property Records6
▸DOB NOWZD1: DOB Zoning Diagram3
08/13/2026B00560630-P9Open ↗
08/13/2026B00560630-I1Open ↗
08/13/2026B00560630-P6Open ↗
▸DOB NOWZoning Exhibit form (1-5)3
08/13/2026B00560630-P6Open ↗
08/13/2026B00560630-P9Open ↗
08/13/2026B00560630-I1Open ↗
▸Seals & Professional Certifications38
▸DOB NOWDPL-1: Design Professional Seal & Signature16
09/01/2026B00499280-I1Open ↗
09/01/2026B00507120-I1Open ↗
08/31/2026B00560630-S5Open ↗
Showing 3 of 16 on file for this type
▸DOB NOWProgress Inspector Seal & Signature12
09/01/2026B00560630-S3Open ↗
09/01/2026B00560630-S3Open ↗
09/01/2026B00560630-S3Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
09/01/2026B00560630-S3Open ↗
08/27/2026B00560630-S1Open ↗
08/27/2026B00560630-S1Open ↗
Showing 3 of 7 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
04/06/2021340808969Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
04/06/2021340808969Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
04/06/2021340808969Open ↗
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist3
08/31/2026B00560630-P9Open ↗
08/31/2026B00560630-P6Open ↗
08/31/2026B00560630-I1Open ↗
▸Environmental & Asbestos16
▸DOB NOWDEP ACP-5: Asbestos Assessment Report15
09/01/2026B00499280-I1Open ↗
08/31/2026B00560630-P8Open ↗
08/31/2026B00560630-P7Open ↗
Showing 3 of 15 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
04/06/2021340808969Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
04/09/2021340808969Open ↗
04/06/2021340808969Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
04/06/2021340808969Open ↗
▸Inspections & Test Reports2
▸BISTECHNICAL REPORT: RESPONSIBILITY2
04/09/2021340808969Open ↗
04/09/2021340808969Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT1
04/06/2021340808969Open ↗
▸DOB NOWCertificate of Insurance1
08/13/2026B00560630-I1Open ↗
▸DOB NOWCertification by Insurance Broker or Agency1
08/13/2026B00560630-I1Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
04/06/2021340808969Open ↗
▸Other Documents18
▸DOB NOWPlot Diagram7
08/13/2026B00560630-S4Open ↗
08/13/2026B00560630-P2Open ↗
08/13/2026B00560630-S3Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWSite Survey: Initial3
08/13/2026B00560630-I1Open ↗
08/13/2026B00560630-P9Open ↗
08/13/2026B00560630-P6Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/13/2026B00560630-P6Open ↗
08/13/2026B00560630-I1Open ↗
08/13/2026B00560630-P9Open ↗
▸DOB NOWProperty Ownership Certification3
08/31/2026B00560630-P3Open ↗
08/31/2026B00560630-P2Open ↗
08/31/2026B00560630-P1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B00560630-S4Open ↗
▸DOB NOWAdditional Insured Authorizations1
08/13/2026B00560630-I1Open ↗