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Building

5109 5 Avenue, Brooklyn

5109 5 Avenue, Brooklyn: 5 DOB NOW job filings; 20 work permits (4 open, 16 signed off). Most recent permit issued 2026-01-13.

Building facts

Borough
Brooklyn
Year built
1931
Stories
3
Dwelling units
1
Building floor area (sq ft)
21,600
Zoning
C4-3A
Building class
K2

Design team

Design firmDisciplineJobs at this building
Maqe ArchitectureArchitecture3
Derman Engineering PLLCStructural1
Fl&M Engineering Design &InspectionGeneral Engineering1
Levin Engineering PLLCMEP1

Contractors and firms on permits

BusinessJobs at this building
Platinum Commercial Const3
City Plumbing Inc.1
Gwt Enterprises Inc.1
Mhd Construction Corp.1
Plumbing Works Corp.1
Windstar Cooling Inc.1

Work permits

IssuedWork typeStatusBusinessDescription
2026-01-13Mechanical SystemsSigned-offWindstar Cooling Inc.Filing for Mechanical application at 5109 5th Avenue.
2025-05-29Supported ScaffoldSigned-offGwt Enterprises Inc.INSTALLATION OF 300 PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPA…
2025-05-28Supported ScaffoldSigned-offGwt Enterprises Inc.INSTALLATION OF 300 PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPA…
2025-03-06StandpipeSigned-offPlumbing Works Corp.INSTALLATION OD SPRINKLER SYSTEM FOR ENTIRE BUILDING. DESIGNED BT HYDRAULIC CALCULTATION AS PER nfpa-13 2007, SECTION 22.4.2.1. BUILDING CONTAINS CELLAR, 1ST, 2ND, 3RD F…
2025-03-06StandpipeSigned-offPlumbing Works Corp.INSTALLATION OD SPRINKLER SYSTEM FOR ENTIRE BUILDING. DESIGNED BT HYDRAULIC CALCULTATION AS PER nfpa-13 2007, SECTION 22.4.2.1. BUILDING CONTAINS CELLAR, 1ST, 2ND, 3RD F…
2025-03-05Construction FenceSigned-offPlatinum Commercial Consttemp. construction fence
2025-01-06General ConstructionPermit IssuedPlatinum Commercial Constapplication filed for relocation of egress stair, and full gut renovation, and full facade renovation
2024-11-04PlumbingSigned-offCity Plumbing Inc.Installation of plumbing system for entire building in conjunction with alt application DOB NOW #: B01021537.
2024-10-01FoundationSigned-offPlatinum Commercial Constsubsequent document to do foundation work in conjunction with Alteration appliaiton
2024-09-11General ConstructionPermit IssuedPlatinum Commercial Constapplication filed for relocation of egress stair, and full gut renovation, and full facade renovation
2024-09-04General ConstructionPermit IssuedPlatinum Commercial Constapplication filed for relocation of egress stair, and full gut renovation, and full facade renovation
2024-08-22General ConstructionPermit IssuedPlatinum Commercial Constapplication filed for relocation of egress stair, and full gut renovation, and full facade renovation
2024-08-19Mechanical SystemsSigned-offWindstar Cooling Inc.Filing for Mechanical application at 5109 5th Avenue.
2024-08-13StructuralSigned-offPlatinum Commercial Constsubsequent filing to in conjunction with alt CO application to do structural work
2024-08-13Support of ExcavationSigned-offPlatinum Commercial Constsubsequent document in conjunction with General Construction filing.
2024-05-28Supported ScaffoldSigned-offGwt Enterprises Inc.INSTALLATION OF 300 PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPA…
2024-05-28Supported ScaffoldSigned-offGwt Enterprises Inc.INSTALLATION OF 300 PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPA…
2024-04-12Construction FenceSigned-offPlatinum Commercial Consttemp. construction fence
2024-04-08General ConstructionSigned-offPlatinum Commercial ConstInterior demolition of existing commercial space.
2024-02-23General ConstructionSigned-offMhd Construction Corp.Interior demolition of existing commercial space.

Job filings

JobFiledTypeStatus
B010215372026-06-26Alteration COObjections
B010563892024-05-28AlterationLOC Issued
B010244612024-05-06AlterationApproved
B009833812024-02-14AlterationApproved
B002359362019-10-03AlterationFiling Withdrawn

Source: NYC Department of Buildings filings, permits and violations. Sign in to BuildNYC for plans on file, inspections and the full building record.