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Two family brick
523 73 STREET
BROOKLYN · BIN 3147514
💬 Discuss this project
1910Year Built
2Stories
B1Building Class
R5BZoning
2,380 sfGross Floor Area
2Units
FDNY Report ↗
Two family brick · 2,000 sf lot · 1.19 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/12/2025$1.2M—AUSMA CERNOKS TRUST → Private party$525/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
A PLUS DESIGN INC404/16/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
A PLUS DESIGN INC.603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KALE CONSTRUCTION INCGeneral Contractor107/08/2026
CATMAN PLUMBING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
A PLUS DESIGN INC6615404/16/2026
Building Lifecycle
All (25)Filed (4)Permit Issued (2)Signed Off (2)Inspection (5)Special Inspection (12)
04/24/2026
Signed off — Alteration
ERECT PARTIAL PARTITION WALL, PAINTING WORK AND FLOOR FINISH ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01296659-S1
04/23/2026
Signed off — Alteration
ERECT PARTIAL PARTITION WALL, PAINTING WORK AND FLOOR FINISH ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01296659-I1
04/16/2026
Filed — Alteration
ERECT PARTIAL PARTITION WALL, PAINTING WORK AND FLOOR FINISH ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01296659-P3
04/16/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
04/16/2026
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
04/16/2026
Special inspection requirement — Final
HONGTENG CHEN
04/16/2026
Special inspection requirement — Fire-Resistance Rated Construction
HONGTENG CHEN
04/16/2026
Special inspection requirement — Air barrier - visual inspection
HONGTENG CHEN
04/16/2026
Special inspection requirement — Interior lighting power
HONGTENG CHEN
02/05/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
02/04/2026
Inspection — Fail-Final PL - Up to 9 Requested Floors
Fail
View inspection ↗
01/26/2026
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
01/26/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
01/22/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
01/20/2026
Filed — Alteration
ERECT PARTIAL PARTITION WALL, PAINTING WORK AND FLOOR FINISH ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01296659-P2
01/20/2026
Special inspection requirement — Maintenance information
HONGTENG CHEN
01/20/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
01/20/2026
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
01/20/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
HONGTENG CHEN
01/20/2026
Special inspection requirement — HVAC-R and service water heating equipment
HONGTENG CHEN
01/20/2026
Special inspection requirement — HVAC-R and service water heating system controls
HONGTENG CHEN
11/19/2025
Permit issued — General Construction
B01296659-I1-GC
11/18/2025
Permit issued — Plumbing
B01296659-S1-PL
11/17/2025
Filed — Alteration
ERECT PARTIAL PARTITION WALL, PAINTING WORK AND FLOOR FINISH ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01296659-S1
11/14/2025
Filed — Alteration
ERECT PARTIAL PARTITION WALL, PAINTING WORK AND FLOOR FINISH ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01296659-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offKALE CONSTRUCTION INC11/19/2025
DOB NOWPlumbingSigned-offCATMAN PLUMBING INC11/18/2025
1 project · most recent 04/16/2026
Gas Water/Sanitary
FiledStatusContractorScope
04/16/2026Signed-offCATMAN PLUMBING INCGas, Water/Sanitary
2 projects · most recent 06/05/2026
General Wiring
FiledStatusContractorScope
06/05/2026CompleteW 8 ELECTRIC CORPGeneral Wiring
06/19/2025CompleteTRIPLE D ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
02/05/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
02/04/2026Fail-Final PL - Up to 9 Requested FloorsFailView ↗
01/26/2026Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
01/26/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
01/22/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 12
DateRequirementInspectorRole
04/16/2026Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
04/16/2026Energy Code Compliance InspectionsHONGTENG CHENprogress
04/16/2026FinalHONGTENG CHENprogress
04/16/2026Fire-Resistance Rated ConstructionHONGTENG CHENprogress
04/16/2026Air barrier - visual inspectionHONGTENG CHENenergy_progress
04/16/2026Interior lighting powerHONGTENG CHENenergy_progress
01/20/2026Maintenance informationHONGTENG CHENenergy_progress
01/20/2026Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
01/20/2026Energy Code Compliance InspectionsHONGTENG CHENprogress
01/20/2026HVAC-R and service water piping design and insulationHONGTENG CHENenergy_progress
01/20/2026HVAC-R and service water heating equipmentHONGTENG CHENenergy_progress
01/20/2026HVAC-R and service water heating system controlsHONGTENG CHENenergy_progress
▾Documents — 24 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/17/2026B01296659-P2Request digital key ↗
08/17/2026B01296659-P3Request digital key ↗
08/17/2026B01296659-S1Request digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications16
▸DOB NOWProgress Inspector Seal & Signature10
09/17/2026B01296659-P2Open ↗
09/17/2026B01296659-P2Open ↗
09/17/2026B01296659-P2Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/17/2026B01296659-P2Open ↗
08/17/2026B01296659-P3Open ↗
08/17/2026B01296659-S1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
09/17/2026B01296659-P2Open ↗
08/28/2026B01296659-P3Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/17/2026B01296659-S1Open ↗
08/17/2026B01296659-P2Open ↗
08/17/2026B01296659-P3Open ↗
Showing 3 of 4 on file for this type