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Three families
426 73 STREET
BROOKLYN · BIN 3147862
💬 Discuss this project
1910Year Built
3Stories
C0Building Class
R5BZoning
3,760 sfGross Floor Area
3Units
Rent Stabilized11 Open Violations ▸FDNY Report ↗
Three families · Owner of record: 426 73RD STREET REALTY LLC · 1,802 sf lot · 2.09 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Floor 34p · 1 filing · 6 docs
Floor 24p · 1 filing · 6 docs
Floor 14p · 1 filing · 6 docs
Cellar14p · 2 filings · 14 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
426 73RD ST REALTY2107/08/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/13/2022$850K—— → —$226/sf building
▾Design Consultants (Architect / Engineer of Record)
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SHEIKH EXPEDITING803/21/2026
ARCH-FORM DESIGN BUILD203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GREAT AMERICAN CONSTR SERGeneral Contractor507/08/2026
TRI CITY MECHANICAL GROUP CORPPlumbing207/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
DOYUN KIM; RA7415210/13/2023
NAVI STRUCTURAL ENGINEERI4624307/01/2022
Building Lifecycle
All (52)Filed (9)Permit Issued (5)Violation (13)Inspection (8)Objection (8)Special Inspection (9)
05/01/2026
Violation issued (HPD, open)
A
11/18/2025
Violation issued (HPD, open)
I
06/06/2025
Violation issued (HPD, open)
A
11/26/2024
Violation issued (HPD, open)
I
10/03/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
07/05/2024
Violation issued (ECB, open)
Boilers
07/05/2024
Violation issued (ECB, open)
Boilers
07/05/2024
Violation issued (ECB, open)
Boilers
06/03/2024
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
04/29/2024
Inspection — No Access-Final PL - Up to 3 Requested Floors
No Access
View inspection ↗
04/08/2024
Violation issued (HPD, open)
A
11/21/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
11/21/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
11/17/2023
Violation issued (HPD, open)
I
10/27/2023
Permit issued — Plumbing
B00943525-I1-PL
10/13/2023
Filed — Alteration
B00943525-I1
10/13/2023
Filed — Alteration
INSTALLATION OF NEW MINI SPLIT DUCTLESS A/C SYSTEM
B00943542-I1
10/04/2023
Special inspection requirement — Mechanical Systems
DOYUN KIM
10/04/2023
Special inspection requirement — Final
08/30/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/25/2023
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
07/19/2023
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
04/10/2023
Objection raised — Seal and Signature
04/10/2023
Objection resolved — Addressed
04/04/2023
Filed — Alteration
FULL RENOVATION TO EXISTING CELLAR, PARLOR FLOOR, FIRST FLOOR AND SECOND FLOOR, NO CHANGE IN USE OR OCCUPANCY
B00842102-S2
04/04/2023
Filed — Alteration
FULL RENOVATION TO EXISTING CELLAR, PARLOR FLOOR, FIRST FLOOR AND SECOND FLOOR, NO CHANGE IN USE OR OCCUPANCY
B00842102-S1
03/21/2023
Violation issued (HPD, open)
A
03/20/2023
Objection raised — Other
03/20/2023
Objection resolved — Addressed
03/20/2023
Objection raised — Scope
03/20/2023
Objection resolved — Addressed
03/20/2023
Objection raised — Scope
03/20/2023
Objection resolved — Addressed
03/20/2023
Special inspection requirement — Final
03/20/2023
Special inspection requirement — Mechanical Systems
03/15/2023
Filed — Alteration
FULL RENOVATION TO EXISTING CELLAR, PARLOR FLOOR, FIRST FLOOR AND SECOND FLOOR, NO CHANGE IN USE OR OCCUPANCY
B00842102-I1
11/07/2022
Violation issued (HPD, closed)
I
10/19/2022
Permit issued — Construction Fence
B00783127-I1-FN
10/17/2022
Permit issued — General Construction
B00743118-I1-GC
09/30/2022
Permit issued — Plumbing
B00743126-I1-PL
07/28/2022
Filed — Alteration
B00783127-I1
07/01/2022
Filed — Alteration
APPLICATION FILE TO INTERIOR PLUMBING WORK AT CELLAR THRU 3RD FLOOR AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00743126-P1
07/01/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Humayun Ahmed
06/22/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Humayun Ahmed
06/07/2022
Permit issued — General Construction
B00743118-I1-GC
06/06/2022
Violation issued (ECB, closed)
Construction
05/24/2022
Filed — Alteration
APPLICATION FILE TO INTERIOR RENOVATION AS MINOR SHEETROCK, FLOOR TILES, CEILING REPAIR, REPLACE DOORS AND MINOR COSMETIC WORK AT 1st THRU 3RD FLOOR AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00743118-I1
05/24/2022
Filed — Alteration
APPLICATION FILE TO INTERIOR PLUMBING WORK AT CELLAR THRU 3RD FLOOR AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00743126-I1
05/22/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Humayun Ahmed
05/22/2022
Special inspection requirement — Structural Stability – Alterations of existing buildings
Humayun Ahmed
05/22/2022
Special inspection requirement — Final
Humayun Ahmed
02/22/2022
Violation issued (HPD, open)
A
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedFLAVIO MECHANICAL CORP10/27/2023
DOB NOWConstruction FencePermit IssuedGREAT AMERICAN CONSTR SER10/19/2022
DOB NOWGeneral ConstructionPermit IssuedGREAT AMERICAN CONSTR SER10/17/2022
DOB NOWPlumbingPermit IssuedFLAVIO MECHANICAL CORP09/30/2022
DOB NOWGeneral ConstructionPermit IssuedGREAT AMERICAN CONSTR SER06/07/2022
1 project · most recent 10/13/2023
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
10/13/2023——Heating and Air Conditioning Systems
Heat / Cool
Daikin DIAKIN 4MXL36TVJU DIAKIN FTXS09LVJU DIAKIN FTXS18LVJU DIAKIN FTXS07LVJU DIAKIN FTXS09LVJU DIAKIN FTXS15LVJU 36,000 BTU · Ductwork ×16
1 project · most recent 07/01/2022
Gas Water/Sanitary
FiledStatusContractorScope
07/01/2022Permit IssuedTRI CITY MECHANICAL GROUPGas, Water/Sanitary
1 project · most recent 06/14/2022
General Wiring
FiledStatusContractorScope
06/14/2022Permit IssuedCUNNINGHAM ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
10/03/2024Pass-Final CND-Occupancy InspectionPassView ↗
06/03/2024Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/29/2024No Access-Final PL - Up to 3 Requested FloorsNo AccessView ↗
11/21/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
11/21/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
08/30/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/25/2023Fail-Final PL - Up to 3 Requested FloorsFailView ↗
07/19/2023Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 9
DateRequirementInspectorRole
10/04/2023Mechanical SystemsDOYUN KIMspecial
10/04/2023Final—progress
03/20/2023Final—progress
03/20/2023Mechanical Systems—special
07/01/2022Fire-Resistant Penetrations and JointsHumayun Ahmedspecial
06/22/2022Fire-Resistant Penetrations and JointsHumayun Ahmedspecial
05/22/2022Fire-Resistant Penetrations and JointsHumayun Ahmedspecial
05/22/2022Structural Stability – Alterations of existing buildingsHumayun Ahmedspecial
05/22/2022FinalHumayun Ahmedprogress
▾Documents — 34 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/29/2026B00743118-I1Request digital key ↗
08/29/2026B00743126-I1Request digital key ↗
08/29/2026B00743126-P1Request digital key ↗
Showing 3 of 9 on file for this type
▸Seals & Professional Certifications15
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/29/2026B00743118-I1Open ↗
08/29/2026B00743126-I1Open ↗
08/29/2026B00743126-P1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
08/28/2026B00743118-I1Open ↗
08/28/2026B00743118-I1Open ↗
08/27/2026B00943542-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature1
08/28/2026B00743118-I1Open ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-5: Asbestos Assessment Report8
08/29/2026B00743118-I1Open ↗
08/29/2026B00743126-I1Open ↗
08/29/2026B00743126-P1Open ↗
Showing 3 of 8 on file for this type
▸Other Documents2
▸DOB NOWPro Cert Restriction Exception (LL158/17)2
08/13/2026B00842102-S2Open ↗
08/13/2026B00842102-S1Open ↗