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General Contractor
BROOKLYN · 4
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3 buildings
6
Total Filings
4
Projects on File
3
Buildings Worked
0
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month4 projects all-time
0123Apr '22 · 2May '22 · 1Mar '23 · 1Apr '22Jun '22Aug '22Oct '22Dec '22Feb '23Mar '23
bars = month · line = 3-mo average
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Signed off4100%
By project type
Alteration4
Most active buildings
All buildings →
463 UNION STREETBROOKLYN · latest 04/21/2022
2 projects
123 JAVA STREETBROOKLYN · latest 06/02/2022
1 projects
556 STATE STREETBROOKLYN · latest 02/23/2024
1 projects
Key relationships
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Filing representatives
2 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00836137 ↗556 STATE STREET
BROOKLYN
AlterationSigned-off03/01/202302/23/2024
Design 40 SIX FOUR ARCHITECTURE DESIGN
INTERIOR RENOVATION OF APARTMENT #5D. THIS WORK SHALL INCLUDE REPLACING PLUMBING FIXTURES, LIGHTING, APPLIANCES AND FINISHES. NO CHANGE TO U…
B00732982 ↗123 JAVA STREET
BROOKLYN
AlterationSigned-off05/18/202206/02/2022
Design TOM KOWALSKI ARCHITECT STUDIO PC
Filer PWF
INTERIOR ALTERATIONS TO EXISTING RESIDENTIAL BUILDING TO INCLUDE MINOR DEMO, PARTITION AND CARPENTRY WORK. NO CHANGE TO USE, OCCUPANCY OR EG…
B00711626 ↗463 UNION STREET
BROOKLYN
AlterationSigned-off04/11/202204/21/2022
Design TOM KOWALSKI ARCHITECT STUDIO PC
Filer PWF
INTERIOR ALTERATIONS TO EXISTING RESIDENTIAL BUILDING TO INCLUDE PARTITION AND CARPENTRY WORK AS PER PLANS SUBMITTED HEREWITH. NO CHANGE TO …
B00711686 ↗463 UNION STREET
BROOKLYN
AlterationSigned-off04/11/202204/21/2022
Design SORKIN ENGINEERING SERVICES PC
MODIFICATIONS TO EXISTING STRUCTURAL SYSTEMS TO INCLUDE REPAIR AND REPLACE EXISTING JOISTS AS PER PLANS SUBMITTED HEREWITH. NO CHANGE TO USE…
Counts cover all 4 projects (4 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
TOM KOWALSKI ARCHITECT STUDIO PC201/09/2023
40 SIX FOUR ARCHITECTURE DESIGN103/01/2023
SORKIN ENGINEERING SERVICES PC109/03/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
PWF201/09/2023
4 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 4Signed off 4
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00836137 ↗556 STATE STREET
BROOKLYN
AlterationSigned-off03/01/202302/23/2024
Design 40 SIX FOUR ARCHITECTURE DESIGN
INTERIOR RENOVATION OF APARTMENT #5D. THIS WORK SHALL INCLUDE REPLACING PLUMBING FIXTURES, LIGHTING, APPLIANCES AND FINISHES. NO CHANGE TO U…
B00732982 ↗123 JAVA STREET
BROOKLYN
AlterationSigned-off05/18/202206/02/2022
Design TOM KOWALSKI ARCHITECT STUDIO PC
Filer PWF
INTERIOR ALTERATIONS TO EXISTING RESIDENTIAL BUILDING TO INCLUDE MINOR DEMO, PARTITION AND CARPENTRY WORK. NO CHANGE TO USE, OCCUPANCY OR EG…
B00711626 ↗463 UNION STREET
BROOKLYN
AlterationSigned-off04/11/202204/21/2022
Design TOM KOWALSKI ARCHITECT STUDIO PC
Filer PWF
INTERIOR ALTERATIONS TO EXISTING RESIDENTIAL BUILDING TO INCLUDE PARTITION AND CARPENTRY WORK AS PER PLANS SUBMITTED HEREWITH. NO CHANGE TO …
B00711686 ↗463 UNION STREET
BROOKLYN
AlterationSigned-off04/11/202204/21/2022
Design SORKIN ENGINEERING SERVICES PC
MODIFICATIONS TO EXISTING STRUCTURAL SYSTEMS TO INCLUDE REPAIR AND REPLACE EXISTING JOISTS AS PER PLANS SUBMITTED HEREWITH. NO CHANGE TO USE…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
556 STATE STREET ↗107/08/2026
123 JAVA STREET ↗107/08/2026
463 UNION STREET ↗407/08/2026
▾Documents — 51 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/30/2026B00711686-I1 · 463 UNION STREETRequest digital key ↗
08/30/2026B00711686-P1 · 463 UNION STREETRequest digital key ↗
08/30/2026B00711626-I1 · 463 UNION STREETRequest digital key ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications36
▸DOB NOWProgress Inspector Seal & Signature23
09/02/2026B00711686-P1 · 463 UNION STREETOpen ↗
09/01/2026B00711626-I1 · 463 UNION STREETOpen ↗
09/01/2026B00711626-I1 · 463 UNION STREETOpen ↗
Showing 3 of 23 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/30/2026B00711686-I1 · 463 UNION STREETOpen ↗
08/30/2026B00711686-P1 · 463 UNION STREETOpen ↗
08/30/2026B00711626-I1 · 463 UNION STREETOpen ↗
Showing 3 of 7 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/02/2026B00711686-P1 · 463 UNION STREETOpen ↗
09/02/2026B00711686-P1 · 463 UNION STREETOpen ↗
09/01/2026B00711626-I1 · 463 UNION STREETOpen ↗
Showing 3 of 6 on file for this type
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/30/2026B00711686-P1 · 463 UNION STREETOpen ↗
08/30/2026B00711686-I1 · 463 UNION STREETOpen ↗
08/30/2026B00711626-P1 · 463 UNION STREETOpen ↗
Showing 3 of 6 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis2
08/30/2026B00711626-I1 · 463 UNION STREETOpen ↗
Showing 1 of 2 on file for this type