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Two family brick
6520 12 AVENUE
BROOKLYN · BIN 3142237
💬 Discuss this project
1910Year Built
2Stories
B1Building Class
R5BZoning
2,200 sfGross Floor Area
2Units
FDNY Report ↗
Two family brick · 2,000 sf lot · 1.1 FAR built · Flood zone X
Locations of Work
Mechanical
Floor 21p · 1 filing · 20 docs
Floor 1
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/26/2024$1.3M—Private party → Private party$609/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
A PLUS DESIGN INC408/23/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
A PLUS DESIGN INC.803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
JADESTONE CONSTRUCTION INGeneral Contractor303/21/2026
CATMAN PLUMBING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
A PLUS DESIGN INC6615408/23/2024
Building Lifecycle
All (35)Filed (4)Permit Issued (2)Signed Off (2)Inspection (3)Special Inspection (24)
09/24/2024
Signed off — Alteration
REMOVE & ERECT PARTIAL PARTITION WALL AND INTERIOR RENOVATION ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01021853-S1
09/24/2024
Signed off — Alteration
REMOVE & ERECT PARTIAL PARTITION WALL AND INTERIOR RENOVATION ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01021853-I1
08/28/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
08/28/2024
Special inspection requirement — Air barrier - visual inspection
HONGTENG CHEN
08/28/2024
Special inspection requirement — Interior lighting power
HONGTENG CHEN
08/28/2024
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
08/28/2024
Special inspection requirement — Final
HONGTENG CHEN
08/28/2024
Special inspection requirement — Fire-Resistance Rated Construction
HONGTENG CHEN
08/23/2024
Filed — Alteration
REMOVE & ERECT PARTIAL PARTITION WALL AND INTERIOR RENOVATION ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01021853-P2
08/23/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
08/23/2024
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
08/23/2024
Special inspection requirement — Final
HONGTENG CHEN
08/23/2024
Special inspection requirement — Fire-Resistance Rated Construction
HONGTENG CHEN
08/23/2024
Special inspection requirement — Air barrier - visual inspection
HONGTENG CHEN
08/23/2024
Special inspection requirement — Interior lighting power
HONGTENG CHEN
06/17/2024
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
06/17/2024
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
06/12/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
06/12/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
06/12/2024
Special inspection requirement — HVAC-R and service water heating equipment
HONGTENG CHEN
06/12/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
HONGTENG CHEN
06/12/2024
Special inspection requirement — Maintenance information
HONGTENG CHEN
06/12/2024
Special inspection requirement — HVAC-R and service water heating system controls
HONGTENG CHEN
06/12/2024
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
06/11/2024
Filed — Alteration
REMOVE & ERECT PARTIAL PARTITION WALL AND INTERIOR RENOVATION ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01021853-P1
06/11/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
06/11/2024
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
06/11/2024
Special inspection requirement — HVAC-R and service water heating equipment
HONGTENG CHEN
06/11/2024
Special inspection requirement — HVAC-R and service water heating system controls
HONGTENG CHEN
06/11/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
HONGTENG CHEN
06/11/2024
Special inspection requirement — Maintenance information
HONGTENG CHEN
03/27/2024
Permit issued — Plumbing
B01021853-S1-PL
03/27/2024
Permit issued — General Construction
B01021853-I1-GC
03/21/2024
Filed — Alteration
REMOVE & ERECT PARTIAL PARTITION WALL AND INTERIOR RENOVATION ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01021853-S1
03/21/2024
Filed — Alteration
REMOVE & ERECT PARTIAL PARTITION WALL AND INTERIOR RENOVATION ON CEL, 1ST & 2ND FLOOR. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS)
B01021853-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offCATMAN PLUMBING INC03/27/2024
DOB NOWGeneral ConstructionSigned-offJADESTONE CONSTRUCTION IN03/27/2024
1 project · most recent 09/28/2024
General Wiring
FiledStatusContractorScope
09/28/2024CompleteW 8 ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
06/17/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
06/17/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
06/12/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 24
DateRequirementInspectorRole
08/28/2024Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
08/28/2024Air barrier - visual inspectionHONGTENG CHENenergy_progress
08/28/2024Interior lighting powerHONGTENG CHENenergy_progress
08/28/2024Energy Code Compliance InspectionsHONGTENG CHENprogress
08/28/2024FinalHONGTENG CHENprogress
08/28/2024Fire-Resistance Rated ConstructionHONGTENG CHENprogress
08/23/2024Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
08/23/2024Energy Code Compliance InspectionsHONGTENG CHENprogress
08/23/2024FinalHONGTENG CHENprogress
08/23/2024Fire-Resistance Rated ConstructionHONGTENG CHENprogress
08/23/2024Air barrier - visual inspectionHONGTENG CHENenergy_progress
08/23/2024Interior lighting powerHONGTENG CHENenergy_progress
06/12/2024Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
06/12/2024HVAC-R and service water heating equipmentHONGTENG CHENenergy_progress
06/12/2024HVAC-R and service water piping design and insulationHONGTENG CHENenergy_progress
06/12/2024Maintenance informationHONGTENG CHENenergy_progress
06/12/2024HVAC-R and service water heating system controlsHONGTENG CHENenergy_progress
06/12/2024Energy Code Compliance InspectionsHONGTENG CHENprogress
06/11/2024Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
06/11/2024Energy Code Compliance InspectionsHONGTENG CHENprogress
06/11/2024HVAC-R and service water heating equipmentHONGTENG CHENenergy_progress
06/11/2024HVAC-R and service water heating system controlsHONGTENG CHENenergy_progress
06/11/2024HVAC-R and service water piping design and insulationHONGTENG CHENenergy_progress
06/11/2024Maintenance informationHONGTENG CHENenergy_progress
▾Documents — 36 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/25/2026B01021853-P1Request digital key ↗
08/25/2026B01021853-S1Request digital key ↗
08/25/2026B01021853-I1Request digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications28
▸DOB NOWProgress Inspector Seal & Signature20
09/01/2026B01021853-I1Open ↗
09/01/2026B01021853-I1Open ↗
09/01/2026B01021853-I1Open ↗
Showing 3 of 20 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/25/2026B01021853-S1Open ↗
08/25/2026B01021853-I1Open ↗
08/25/2026B01021853-P2Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/01/2026B01021853-I1Open ↗
08/31/2026B01021853-P1Open ↗
08/31/2026B01021853-P2Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/25/2026B01021853-S1Open ↗
08/25/2026B01021853-I1Open ↗
08/25/2026B01021853-P2Open ↗
Showing 3 of 4 on file for this type