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Contractor
GSP PLUMBING CORP
Master Plumber
17 items installedManhattan · 13Brooklyn · 4
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2 buildings
17
Installed items
0
Last 12 months
13
Peak year · 2024
2
Buildings Worked
Master Plumber
Primary Trade
Installed items
Installed items by month17 items all-time
051015Jul '24 · 13Aug '25 · 4Jul '24Sep '24Nov '24Jan '25Mar '25May '25Jul '25Aug '25
bars = month · line = 3-mo average
Scope mix
Full scope detail →
Scope by component
Fixtures16
Gas meters1
items by borough
Manhattan13
Brooklyn4
Largest installations
138 DUANE STREETManhattan · 07/09/2024
13 items
61 NORTH 11 STREETBrooklyn · 08/26/2025
4 items
Key relationships
Everyone →
Filing representatives
1 projects
1 projects
Owners
1 projects
Most recent installations
All filings →
DateFilingitemsScope breakdownPlansAddress
08/26/2025B01226831-S14Fixtures 4—61 NORTH 11 STREET
07/09/2024M00983068-S113Fixtures 12Gas meters 1—138 DUANE STREET
17 items across 2 filings. Quantities are as filed with DOB NOW, shared across a filing's permit pulls. Mix and borough totals cover every filing.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GREEN SOLUTIONS ENGINEERING & ENERG106/24/2025
JACK GREEN ASSOCIATES107/25/2025
JKM ARCHITECTURE PC107/25/2025
TOM KOWALSKI ARCHITECT STUDIO PC106/24/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
E&E GENERAL CONTRACTORS107/25/2025
E.M.P. FIRE SPRINKLER LLC107/25/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CW REALTY106/24/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BMB BUILDING CONSULTING INC.106/24/2025
JKM ARCHITECTURE PC107/25/2025
2 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 2Signed off 2
2 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01226831 ↗61 NORTH 11 STREET
BROOKLYN
AlterationSigned-off05/20/202508/26/2025
Design TOM KOWALSKI ARCHITECT STUDIO PC
Owner CW REALTY
Filer BMB BUILDING CONSULTING INC.
PROPOSED PLUMBING WORK IN CONJUNCTION TO ARCH. DESIGNS. NO CHANGE IN USE, EGRESS AND OCCUPANCY.
M00983068 ↗134 DUANE STREET
MANHATTAN
AlterationSigned-off04/25/202407/15/2024
Design JACK GREEN ASSOCIATES
Filer JKM ARCHITECTURE PC
MECHANICAL SCOPE PER PLANS. NO CHANGE IN EGRESS, USE, OR BULK. THIS BUILDING WAS CONVERTED TO RESIDENTIAL UNDER ARTICLE 78 OF MDL ALT 1486/8
Scope Intelligence — Plumbing Contractor
Installed items by month17 items all-time
051015Jul '24 · 13Aug '25 · 4Jul '24Sep '24Nov '24Jan '25Mar '25May '25Jul '25Aug '25
bars = month · line = 3-mo average
2 jobs · 17 items
Permit historyFilingitemsScope breakdownPlansAddressBuilding
Aug '25
single permit
B01226831-S14Fixtures 4—61 NORTH 11 STREETOffice · 3 fl
Jul '24
single permit
M00983068-S113Fixtures 12Gas meters 1—138 DUANE STREETResidential · 5 fl
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
61 NORTH 11 STREET ↗407/08/2026
134 DUANE STREET ↗107/08/2026
▾Documents — 62 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/21/2026B01226831-I1 · 61 NORTH 11 STREETRequest digital key ↗
08/21/2026B01226831-S1 · 61 NORTH 11 STREETRequest digital key ↗
08/21/2026B01226831-S2 · 61 NORTH 11 STREETRequest digital key ↗
Showing 3 of 13 on file for this type
▸Applications & Permits7
▸DOB NOWLPC Approval/Permit7
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 7 on file for this type
▸Seals & Professional Certifications35
▸DOB NOWProgress Inspector Seal & Signature18
09/02/2026M00983068-P3 · 134 DUANE STREETOpen ↗
09/02/2026M00983068-P3 · 134 DUANE STREETOpen ↗
09/02/2026M00983068-P3 · 134 DUANE STREETOpen ↗
Showing 3 of 18 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/21/2026B01226831-S2 · 61 NORTH 11 STREETOpen ↗
08/21/2026B01226831-I1 · 61 NORTH 11 STREETOpen ↗
08/21/2026B01226831-S1 · 61 NORTH 11 STREETOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
09/02/2026M00983068-S1 · 134 DUANE STREETOpen ↗
09/02/2026M00983068-P3 · 134 DUANE STREETOpen ↗
09/02/2026M00983068-P3 · 134 DUANE STREETOpen ↗
Showing 3 of 7 on file for this type
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 7 on file for this type