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Four families
491 6 AVENUE
BROOKLYN · BIN 3022984
💬 Discuss this project
1920Year Built
4Stories
C3Building Class
R6BZoning
4,640 sfGross Floor Area
4Units
Rent Stabilized1 Open Violation 0 unresolved · 1 paperwork only ▸FDNY Report ↗
Four families · Owner of record: 491 6TH AVENUE CONDO LLC · 1,463 sf lot · 3.17 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Roof26p · 1 filing · 20 docs
Floor 47p · 1 filing · 20 docs
Floor 37p · 1 filing · 20 docs
Floor 24p · 1 filing · 20 docs
Floor 14p · 1 filing · 20 docs
Cellar5p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
TWD3309/13/2026
491 6TH AVE CONDO903/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/13/2014$2.2M—491 6TH AVENUE LLC → 491 6TH AVENUE CONDO LLC$477/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
AZ PROFESSIONAL ENGINEERING PC1207/01/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
A+ EXPEDITING1203/21/2026
METROPOLIS GROUP INC303/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ABDUL CONSTRUCTION INCGeneral Contractor1109/02/2026
A. M. PLUMBING COMPANYPlumbing207/08/2026
OMD ELECTRICAL CORPElectrical103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SJS INSPECTIONS AND CONSU82861104/22/2026
Building Lifecycle
All (107)Filed (12)Permit Issued (9)Signed Off (1)Violation (22)Inspection (13)Objection (20)Special Inspection (30)
09/01/2026
Permit issued — Supported Scaffold
B01425027-I1-SF
07/01/2026
Filed — Alteration
INSTALL THE SUPPORT SCAFFOLD AT REAR OF BUILDING FROM GROUND TO FORTH FLOOR.
B01425027-I1
07/01/2026
Special inspection requirement — Post-installed Anchors
05/22/2026
Violation issued (ECB, open)
Construction
05/16/2026
Inspection — Certified Storm Drainage-ST-Fixtures-Finish
Certified
View inspection ↗
05/16/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
05/14/2026
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
04/23/2026
Special inspection requirement — Masonry
SERGEY BOLOTOV
04/23/2026
Special inspection requirement — Structural Steel - Details
SERGEY BOLOTOV
04/22/2026
Filed — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-A6
03/27/2026
Special inspection requirement — Maintenance information
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — HVAC-R and service water heating system controls
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Interior lighting power
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Fenestration areas
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Fenestration air leakage
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — HVAC-R and service water heating equipment
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Permanent certificate
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Mechanical Systems
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Final
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Lighting in dwelling units
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Insulation placement and R values
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Energy Code Compliance Inspections
SERGEY BOLOTOV
03/27/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
SERGEY BOLOTOV
03/24/2026
Filed — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-A3
03/24/2026
Special inspection requirement — HVAC-R and service water heating equipment
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Interior lighting power
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Final
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — HVAC-R and service water heating system controls
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Maintenance information
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Structural Steel - Details
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Energy Code Compliance Inspections
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Masonry
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Mechanical Systems
SERGEY BOLOTOV
03/24/2026
Special inspection requirement — Permanent certificate
SERGEY BOLOTOV
02/27/2026
Filed — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-A2
02/20/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
02/11/2026
Signed off — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-S1
12/18/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
11/18/2025
Objection resolved — Addressed
11/13/2025
Objection raised — Admin
10/29/2025
Filed — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-P8
08/07/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
07/16/2025
Filed — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-P7
06/20/2025
Filed — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-P5
06/05/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
02/07/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
12/19/2024
Objection resolved — Addressed
12/18/2024
Objection raised — Other
12/13/2024
Filed — Alteration CO
Plumbing work type in conjunction with Construction for a roof top patio and renovate the 4th floor unit
B08023527-P4
11/18/2024
Inspection — Fail-Final PL - Up to 9 Requested Floors
Fail
View inspection ↗
11/01/2024
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
10/22/2024
Permit issued — Plumbing
B08023527-S1-PL
09/09/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
08/23/2024
Permit issued — General Construction
B08023527-I1-ST
08/23/2024
Permit issued — Structural
B08023527-I1-MS
08/23/2024
Permit issued — General Construction
B08023527-I1-GC
Latest 60 of 107 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSupported ScaffoldSigned-offABDUL CONSTRUCTION INC09/01/2026
DOB NOWPlumbingSigned-offA. M. PLUMBING COMPANY10/22/2024
DOB NOWGeneral ConstructionSigned-offABDUL CONSTRUCTION INC08/23/2024
DOB NOWStructuralSigned-offABDUL CONSTRUCTION INC08/23/2024
DOB NOWGeneral ConstructionPermit IssuedABDUL CONSTRUCTION INC08/23/2024
DOB NOWStructuralPermit IssuedABDUL CONSTRUCTION INC03/01/2023
DOB NOWMechanical SystemsSigned-offABDUL CONSTRUCTION INC02/27/2023
DOB NOWMechanical SystemsSigned-offABDUL CONSTRUCTION INC02/27/2023
DOB NOWPlumbingSigned-offA. M. PLUMBING COMPANY02/07/2023
1 project · most recent 04/22/2026
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
04/22/2026Permit IssuedABDUL CONSTRUCTION INCAir Conditioning Systems
Cooling
Mitsubishi Electric MXZ-SM36NAMHZ-U1 36,000 BTU · Heat Pump Outdoor ×21
1 project · most recent 04/22/2026
Gas Water/Sanitary
FiledStatusContractorScope
04/22/2026Signed-offA. M. PLUMBING COMPANYGas, Water/Sanitary
3 projects · most recent 03/16/2025
General Wiring
FiledStatusContractorScope
03/16/2025CompleteOMD ELECTRICAL CORPGeneral Wiring
03/11/2025CompleteOMD ELECTRICAL CORPGeneral Wiring
01/13/2024CompleteOMD ELECTRICAL CORPGeneral Wiring
1 project · most recent 04/22/2026
Steel Masonry
FiledStatusContractorScope
04/22/2026Signed-offA. M. PLUMBING COMPANYSteel, Masonry
1 project · most recent 07/01/2026
Scaffold
FiledStatusContractorScope
07/01/2026Signed-offABDUL CONSTRUCTION INCScaffold
▾Field Inspections (DOB CAP) — 13
DateTypeResultReport
05/16/2026Certified Storm Drainage-ST-Fixtures-FinishCertifiedView ↗
05/16/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
05/14/2026Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
02/20/2026Pass-Final CND-Occupancy InspectionPassView ↗
12/18/2025Pass-Final CND-Occupancy InspectionPassView ↗
08/07/2025Pass-Final CND-Occupancy InspectionPassView ↗
06/05/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/07/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
11/18/2024Fail-Final PL - Up to 9 Requested FloorsFailView ↗
11/01/2024Fail-Final PL - Up to 3 Requested FloorsFailView ↗
09/09/2024Pass-Final CND-Occupancy InspectionPassView ↗
04/26/2023Certified Gas-Gas-Piping-RoughingCertifiedView ↗
04/26/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 79
DateRequirementInspectorRole
07/01/2026Post-installed Anchors—special
04/23/2026MasonrySERGEY BOLOTOVspecial
04/23/2026Structural Steel - DetailsSERGEY BOLOTOVspecial
03/27/2026HVAC-R and service water heating equipmentSERGEY BOLOTOVenergy_progress
03/27/2026Interior lighting powerSERGEY BOLOTOVenergy_progress
03/27/2026Lighting in dwelling unitsSERGEY BOLOTOVenergy_progress
03/27/2026Fenestration air leakageSERGEY BOLOTOVenergy_progress
03/27/2026HVAC-R and service water heating system controlsSERGEY BOLOTOVenergy_progress
03/27/2026Fenestration areasSERGEY BOLOTOVenergy_progress
03/27/2026Permanent certificateSERGEY BOLOTOVenergy_progress
03/27/2026Fenestration and door U-factor and product ratingsSERGEY BOLOTOVenergy_progress
03/27/2026Maintenance informationSERGEY BOLOTOVenergy_progress
03/27/2026Insulation placement and R valuesSERGEY BOLOTOVenergy_progress
03/27/2026FinalSERGEY BOLOTOVprogress
03/27/2026Energy Code Compliance InspectionsSERGEY BOLOTOVprogress
03/27/2026Fire-Resistant Penetrations and JointsSERGEY BOLOTOVspecial
03/27/2026Mechanical SystemsSERGEY BOLOTOVspecial
03/27/2026HVAC-R and service water piping design and insulationSERGEY BOLOTOVenergy_progress
03/24/2026Fenestration air leakageSERGEY BOLOTOVenergy_progress
03/24/2026Fire-Resistant Penetrations and JointsSERGEY BOLOTOVspecial
03/24/2026MasonrySERGEY BOLOTOVspecial
03/24/2026Mechanical SystemsSERGEY BOLOTOVspecial
03/24/2026Structural Steel - DetailsSERGEY BOLOTOVspecial
03/24/2026Energy Code Compliance InspectionsSERGEY BOLOTOVprogress
03/24/2026FinalSERGEY BOLOTOVprogress
Latest 25 of 79.
▾Documents — 139 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch12
08/17/2026B08023527-P5Request digital key ↗
08/17/2026B08023527-P7Request digital key ↗
08/17/2026B08023527-P8Request digital key ↗
Showing 3 of 12 on file for this type
▸Applications & Permits9
▸BISPLAN / WORK APPROVAL APPLICATION8
04/12/2024320048569Open ↗
12/27/2023320048569Open ↗
12/21/2023320048569Open ↗
Showing 3 of 8 on file for this type
▸BISWORK PERMIT APPLICATION1
10/08/2009320048569Open ↗
▸Seals & Professional Certifications76
▸DOB NOWProgress Inspector Seal & Signature46
09/27/2026B08023527-A3Open ↗
09/27/2026B08023527-A3Open ↗
09/27/2026B08023527-A3Open ↗
Showing 3 of 46 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature12
08/17/2026B08023527-A3Open ↗
08/17/2026B08023527-A6Open ↗
08/16/2026B01425027-I1Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature11
09/27/2026B08023527-A3Open ↗
09/27/2026B08023527-A3Open ↗
09/05/2026B08023527-P1Open ↗
Showing 3 of 11 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION5
09/10/2014320972612Open ↗
10/08/2009320048569Open ↗
07/16/2009320048569Open ↗
Showing 3 of 5 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
07/16/2009320048569Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
07/16/2009320048569Open ↗
▸Trade Schedules & Equipment2
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
09/10/2014320972612Open ↗
▸BISSCHEDULE B - PLUMBING1
07/16/2009320048569Open ↗
▸Safety & Tenant Protection8
▸DOB NOWStreet Tree Checklist7
08/17/2026B08023527-A3Open ↗
08/17/2026B08023527-A6Open ↗
08/13/2026B08023527-A2Open ↗
Showing 3 of 7 on file for this type
▸BISSTREET TREE CHECKLIST1
07/16/2009320048569Open ↗
▸Environmental & Asbestos12
▸DOB NOWDEP ACP-5: Asbestos Assessment Report11
08/17/2026B08023527-A6Open ↗
08/17/2026B08023527-A3Open ↗
08/13/2026B08023527-P7Open ↗
Showing 3 of 11 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
07/16/2009320048569Open ↗
▸Energy Compliance2
▸BISTR8: Energy Code Progress Inspections1
12/01/2014320972612Open ↗
▸DOB NOWPreliminary Commissioning Report Certification1
08/13/2026B08023527-S1Open ↗
▸Approvals, Objections & Sign-offs4
▸BISADMINISTRATIVE OBJECTIONS3
09/10/2014320972612Open ↗
09/10/2014320972612Open ↗
08/03/2009320048569Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
07/16/2009320048569Open ↗
▸Cost, Insurance & Ownership4
▸BISCOST AFFIDAVIT4
12/01/2014320972612Open ↗
09/10/2014320972612Open ↗
09/10/2014320972612Open ↗
Showing 3 of 4 on file for this type
▸Filing & Intake Forms3
▸BISEFILING COVER SHEET3
09/10/2014320972612Open ↗
09/10/2014320972612Open ↗
07/16/2009320048569Open ↗
▸Other Documents7
▸DOB NOWProperty Ownership Certification7
08/17/2026B08023527-A3Open ↗
08/17/2026B08023527-A6Open ↗
08/13/2026B08023527-P8Open ↗
Showing 3 of 7 on file for this type