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One family attached or semi-detached
634 6 AVENUE
BROOKLYN · BIN 3016771
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1920Year Built
3Stories
A5Building Class
R6BZoning
1,972 sfGross Floor Area
1Units
One family attached or semi-detached · 1,024 sf lot · 1.93 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Roof16p · 1 filing · 20 docs
Floor 313p · 1 filing · 20 docs
Floor 213p · 1 filing · 20 docs
Floor 112p · 1 filing · 20 docs
Cellar12p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PLATINUM SERVICES NY1103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/12/2016$2.1M—Private party → Private party$1,052/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CONLON ENGINEERING, LLC304/15/2025
B2 ENGINEERING PC301/16/2025
MICHELLE HARTWELL ARCHITECT212/18/2024
ASHRAF CORP103/24/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
GREEN STUDIO203/21/2026
CODE1603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PLATINUM SERVICES NY LLCGeneral Contractor1203/21/2026
MASTERPIECE U.S. INCGeneral Contractor1007/08/2026
AP ELECTL SER & MAIN INCElectrical103/22/2026
NICE PLUMBING CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SKYLINE ENGINEERING, PLLC267504/15/2025
B2 ENGINEERING D.P.C.5433201/16/2025
KATZ ENGINEERING238301/16/2025
Building Lifecycle
All (126)Filed (9)Permit Issued (14)Signed Off (4)Inspection (9)Objection (60)Special Inspection (30)
04/21/2025
Signed off — Alteration CO
RENOVATION OF EXISTING SECOND FLOOR AND ENLARGEMENT OF THIRD FLOOR OF TOWNHOUSE. MECHANICAL WORK. NEW CO TO BE OBTAINED.
B00780966-S3
04/15/2025
Filed — Alteration CO
RENOVATION OF EXISTING SECOND FLOOR AND ENLARGEMENT OF THIRD FLOOR OF TOWNHOUSE. MECHANICAL WORK. NEW CO TO BE OBTAINED.
B00780966-P5
04/02/2025
Special inspection requirement — Structural Wood Frame
Matthew Wavro
04/02/2025
Special inspection requirement — Final
Matthew Wavro
04/02/2025
Special inspection requirement — Construction Operations Influencing Adjacent Structures
Matthew Wavro
04/02/2025
Special inspection requirement — Construction Utilizing CLT or SCL, Type IV
Matthew Wavro
04/02/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Matthew Wavro
04/02/2025
Special inspection requirement — Preliminary
MICHELLE HARTWELL
03/13/2025
Signed off — Alteration CO
RENOVATION OF EXISTING SECOND FLOOR AND ENLARGEMENT OF THIRD FLOOR OF TOWNHOUSE. MECHANICAL WORK. NEW CO TO BE OBTAINED.
B00780966-S1
03/07/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
02/25/2025
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
02/03/2025
Objection resolved — Addressed
01/22/2025
Special inspection requirement — HVAC-R and service water heating equipment
Brian Bercarich
01/22/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Brian Bercarich
01/22/2025
Special inspection requirement — Final
Brian Bercarich
01/22/2025
Special inspection requirement — Energy Code Compliance Inspections
Brian Bercarich
01/22/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Brian Bercarich
01/22/2025
Special inspection requirement — Mechanical Systems
Brian Bercarich
01/22/2025
Special inspection requirement — HVAC-R and service water heating system controls
Brian Bercarich
01/16/2025
Filed — Alteration CO
RENOVATION OF EXISTING SECOND FLOOR AND ENLARGEMENT OF THIRD FLOOR OF TOWNHOUSE. MECHANICAL WORK. NEW CO TO BE OBTAINED.
B00780966-P2
01/16/2025
Filed — Alteration CO
RENOVATION OF EXISTING SECOND FLOOR AND ENLARGEMENT OF THIRD FLOOR OF TOWNHOUSE. MECHANICAL WORK. NEW CO TO BE OBTAINED.
B00780966-P3
01/06/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Brian Bercarich
01/06/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Brian Bercarich
01/06/2025
Special inspection requirement — Mechanical Systems
Brian Bercarich
01/06/2025
Special inspection requirement — Energy Code Compliance Inspections
Brian Bercarich
01/06/2025
Special inspection requirement — Final
Brian Bercarich
01/06/2025
Special inspection requirement — HVAC-R and service water heating system controls
01/06/2025
Special inspection requirement — HVAC-R and service water heating equipment
12/27/2024
Special inspection requirement — Final
Matthew Wavro
12/27/2024
Special inspection requirement — Construction Operations Influencing Adjacent Structures
Matthew Wavro
12/27/2024
Special inspection requirement — Post-installed Anchors
YURI KATZ
12/27/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Matthew Wavro
12/27/2024
Special inspection requirement — Construction Utilizing CLT or SCL, Type IV
12/27/2024
Special inspection requirement — Preliminary
MICHELLE HARTWELL
12/27/2024
Special inspection requirement — Structural Wood Frame
Matthew Wavro
12/19/2024
Objection raised — Other
12/18/2024
Filed — Alteration CO
RENOVATION OF EXISTING SECOND FLOOR AND ENLARGEMENT OF THIRD FLOOR OF TOWNHOUSE. MECHANICAL WORK. NEW CO TO BE OBTAINED.
B00780966-P1
12/04/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
YURI KATZ
12/04/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Matthew Wavro
12/04/2024
Special inspection requirement — Energy Code Compliance Inspections
YURI KATZ
10/30/2024
Signed off — Alteration CO
RENOVATION OF EXISTING SECOND FLOOR AND ENLARGEMENT OF THIRD FLOOR OF TOWNHOUSE. MECHANICAL WORK. NEW CO TO BE OBTAINED.
B00780966-S2
09/04/2024
Signed off — Alteration
B00847666-I1
08/19/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
08/19/2024
Inspection — Certified Storm Drainage-ST-Fixtures-Finish
Certified
View inspection ↗
08/19/2024
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
08/15/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
08/15/2024
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
03/20/2024
Permit issued — General Construction
B00780966-I1-GC
03/20/2024
Permit issued — Mechanical Systems
B00780966-S1-MS
03/18/2024
Permit issued — Structural
B00780966-S3-ST
03/11/2024
Permit issued — Supported Scaffold
B00847666-I1-SF
03/07/2024
Permit issued — Sidewalk Shed
B00847666-I1-SH
12/12/2023
Permit issued — Mechanical Systems
B00780966-S1-MS
12/11/2023
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
12/11/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
11/22/2023
Permit issued — Plumbing
B00780966-S2-PL
11/16/2023
Permit issued — General Construction
B00780966-I1-GC
11/13/2023
Permit issued — Structural
B00780966-S3-ST
07/27/2023
Permit issued — Structural
B00780966-S3-ST
07/26/2023
Permit issued — General Construction
B00780966-I1-GC
Latest 60 of 126 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedMASTERPIECE U.S. INC03/20/2024
DOB NOWMechanical SystemsSigned-offMASTERPIECE U.S. INC03/20/2024
DOB NOWStructuralSigned-offMASTERPIECE U.S. INC03/18/2024
DOB NOWSupported ScaffoldSigned-offPLATINUM SERVICES NY LLC03/11/2024
DOB NOWSidewalk ShedSigned-offPLATINUM SERVICES NY LLC03/07/2024
DOB NOWMechanical SystemsSigned-offMASTERPIECE U.S. INC12/12/2023
DOB NOWPlumbingSigned-offNICE PLUMBING CORP11/22/2023
DOB NOWGeneral ConstructionPermit IssuedMASTERPIECE U.S. INC11/16/2023
DOB NOWStructuralSigned-offMASTERPIECE U.S. INC11/13/2023
DOB NOWStructuralSigned-offMASTERPIECE U.S. INC07/27/2023
DOB NOWGeneral ConstructionPermit IssuedMASTERPIECE U.S. INC07/26/2023
DOB NOWSupported ScaffoldSigned-offPLATINUM SERVICES NY LLC03/27/2023
DOB NOWSupported ScaffoldSigned-offPLATINUM SERVICES NY LLC03/27/2023
DOB NOWGeneral ConstructionPermit IssuedMASTERPIECE U.S. INC03/08/2023
BISPLISSUEDSILVER LAKE PLBG&HTG CORP02/07/2017
BISOTISSUEDTRANSCEND HOLDINGS INC01/24/2017
BISOTISSUEDTRANSCEND HOLDINGS INC01/24/2017
BISOTISSUEDTRANSCEND HOLDINGS INC09/24/2013
BISPLISSUEDB B PLUMBING & HEATING CO06/24/2013
BISOTISSUEDTRANSCEND HOLDINGS INC06/20/2013
1 project · most recent 04/15/2025
Associated Ducts and Piping Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
04/15/2025Permit IssuedMASTERPIECE U.S. INCAssociated Ducts and Piping, Heating and Air Conditioning Systems
Heat / Cool
Goodman GM9S921004CNAA 92,100 BTU · Fan Coil Indoor ×2
GSX140421KF 42,000 BTU · Condensing Unit ×2
Rheem RGPS-10EAMER 100,000 BTU · Furnace ×2
Ducts & Piping
N/A N/A 1 BTU · Ductwork ×1
1 project · most recent 04/15/2025
Storm Water/Sanitary
FiledStatusContractorScope
04/15/2025Signed-offNICE PLUMBING CORPStorm, Water/Sanitary
2 projects · most recent 01/28/2025
General Wiring
FiledStatusContractorScope
01/28/2025CompleteAP ELECTL SER & MAIN INCGeneral Wiring
03/22/2023CompleteILLUMINOUS ELECTRIC CORP.General Wiring
1 project · most recent 04/15/2025
Wood
FiledStatusContractorScope
04/15/2025Signed-offMASTERPIECE U.S. INCWood
▾Field Inspections (DOB CAP) — 9
DateTypeResultReport
03/07/2025Pass-Final CND-Occupancy InspectionPassView ↗
02/25/2025Fail-Final CND-Occupancy InspectionFailView ↗
08/19/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
08/19/2024Certified Storm Drainage-ST-Fixtures-FinishCertifiedView ↗
08/19/2024Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
08/15/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
08/15/2024Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
12/11/2023Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
12/11/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 36
DateRequirementInspectorRole
04/02/2025Structural Wood FrameMatthew Wavroprogress
04/02/2025FinalMatthew Wavroprogress
04/02/2025Construction Operations Influencing Adjacent StructuresMatthew Wavrospecial
04/02/2025Construction Utilizing CLT or SCL, Type IVMatthew Wavrospecial
04/02/2025Structural Stability – Alterations of existing buildingsMatthew Wavrospecial
04/02/2025PreliminaryMICHELLE HARTWELLprogress
01/22/2025HVAC-R and service water heating equipmentBrian Bercarichenergy_progress
01/22/2025Fire-Resistant Penetrations and JointsBrian Bercarichspecial
01/22/2025FinalBrian Bercarichprogress
01/22/2025Energy Code Compliance InspectionsBrian Bercarichprogress
01/22/2025HVAC-R and service water piping design and insulationBrian Bercarichenergy_progress
01/22/2025Mechanical SystemsBrian Bercarichspecial
01/22/2025HVAC-R and service water heating system controlsBrian Bercarichenergy_progress
01/06/2025HVAC-R and service water piping design and insulationBrian Bercarichenergy_progress
01/06/2025Fire-Resistant Penetrations and JointsBrian Bercarichspecial
01/06/2025Mechanical SystemsBrian Bercarichspecial
01/06/2025Energy Code Compliance InspectionsBrian Bercarichprogress
01/06/2025FinalBrian Bercarichprogress
01/06/2025HVAC-R and service water heating system controls—energy_progress
01/06/2025HVAC-R and service water heating equipment—energy_progress
12/27/2024FinalMatthew Wavroprogress
12/27/2024Construction Operations Influencing Adjacent StructuresMatthew Wavrospecial
12/27/2024Post-installed AnchorsYURI KATZspecial
12/27/2024Structural Stability – Alterations of existing buildingsMatthew Wavrospecial
12/27/2024Construction Utilizing CLT or SCL, Type IV—special
Latest 25 of 36.
▾Documents — 122 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/28/2026B00780966-P2Request digital key ↗
08/28/2026B00780966-P1Request digital key ↗
08/28/2026B00780966-P5Request digital key ↗
Showing 3 of 9 on file for this type
▸Applications & Permits14
▸BISWORK PERMIT APPLICATION7
02/15/2017321477068Open ↗
01/25/2017321477068Open ↗
01/25/2017321477068Open ↗
Showing 3 of 7 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION5
05/25/2017321477068Open ↗
11/09/2016321477068Open ↗
11/09/2016321477068Open ↗
Showing 3 of 5 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION2
06/12/2017321477068Open ↗
05/10/2017321477068Open ↗
▸Zoning, Tax Lot & Property Records4
▸DOB NOWZD1: DOB Zoning Diagram2
08/13/2026B00780966-P1Open ↗
08/13/2026B00780966-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)2
08/13/2026B00780966-I1Open ↗
08/13/2026B00780966-P1Open ↗
▸Seals & Professional Certifications43
▸DOB NOWProgress Inspector Seal & Signature16
08/29/2026B00780966-P2Open ↗
08/29/2026B00780966-P2Open ↗
08/29/2026B00780966-P2Open ↗
Showing 3 of 16 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature12
08/29/2026B00780966-P2Open ↗
08/29/2026B00780966-P2Open ↗
08/29/2026B00780966-P2Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/28/2026B00780966-I1Open ↗
08/28/2026B00780966-S1Open ↗
08/28/2026B00780966-S2Open ↗
Showing 3 of 9 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION6
08/15/2017321477068Open ↗
08/15/2017321477068Open ↗
11/09/2016321477068Open ↗
Showing 3 of 6 on file for this type
▸Trade Schedules & Equipment5
▸BISSCHEDULE B - PLUMBING2
08/31/2013320704911Open ↗
06/12/2013320704911Open ↗
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
05/25/2017321477068Open ↗
11/09/2016321477068Open ↗
▸BISSELF-CERT PLUMBING NOTICE1
10/15/2013320704911Open ↗
▸Safety & Tenant Protection5
▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM2
01/06/2017321477068Open ↗
06/25/2013320704911Open ↗
▸DOB NOWStreet Tree Checklist2
08/13/2026B00780966-P1Open ↗
08/13/2026B00780966-I1Open ↗
▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1
01/25/2017321477068Open ↗
▸Environmental & Asbestos10
▸DOB NOWDEP ACP-5: Asbestos Assessment Report8
08/28/2026B00780966-P1Open ↗
08/28/2026B00780966-P5Open ↗
08/28/2026B00780966-P3Open ↗
Showing 3 of 8 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)2
11/09/2016321477068Open ↗
06/12/2013320704911Open ↗
▸Energy Compliance6
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4
08/15/2017321477068Open ↗
11/09/2016321477068Open ↗
06/12/2014320704911Open ↗
Showing 3 of 4 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS2
08/15/2017321477068Open ↗
06/12/2014320704911Open ↗
▸Approvals, Objections & Sign-offs5
▸BISLETTERS - SUPPORTING DOCUMENTATION2
08/15/2017321477068Open ↗
06/25/2013320704911Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
08/15/2017321477068Open ↗
06/12/2014320704911Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
06/12/2013320704911Open ↗
▸Cost, Insurance & Ownership7
▸BISCOST AFFIDAVIT7
08/15/2017321477068Open ↗
11/09/2016321477068Open ↗
11/09/2016321477068Open ↗
Showing 3 of 7 on file for this type
▸Filing & Intake Forms4
▸BISEFILING COVER SHEET3
11/09/2016321477068Open ↗
11/09/2016321477068Open ↗
06/12/2013320704911Open ↗
▸BISADDITIONAL INFORMATION1
05/25/2017321477068Open ↗
▸Other Documents10
▸DOB NOWSite Survey: Initial2
08/13/2026B00780966-I1Open ↗
08/13/2026B00780966-P1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/13/2026B00780966-I1Open ↗
08/13/2026B00780966-P1Open ↗
▸DOB NOWProperty Ownership Certification2
08/28/2026B00780966-P1Open ↗
08/15/2026B00780966-I1Open ↗
▸DOB NOWPlot Diagram2
08/13/2026B00780966-I1Open ↗
08/13/2026B00780966-P1Open ↗
▸BISCOMMUNITY BOARD NOTIFICATION1
01/25/2017321477068Open ↗
▸DOB NOWFinal Survey1
08/13/2026B00780966-I1Open ↗