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Contractor
PIERPONT MECHANICAL CORP
General Contractor
MANHATTAN · 7
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6 buildings
6
Total Filings
7
Projects on File
3
Buildings Worked
0
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month7 projects all-time
0123Apr '11 · 1Jun '14 · 1Oct '17 · 1Jun '23 · 1Oct '23 · 2Sep '25 · 120122013201420152016201720182019202020212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off457%
Other status343%
By project type
Alteration4
Most active buildings
All buildings →
5 WEST 33 STREETMANHATTAN · latest 02/16/2024
2 projects
708 GREENWICH STREETMANHATTAN · latest 10/06/2017
1 projects
600 5 AVENUEMANHATTAN · latest 06/30/2014
1 projects
100 PARK AVENUEMANHATTAN · latest 09/25/2025
1 projects
65 EAST 55 STREETMANHATTAN · latest 09/11/2023
1 projects
1250 AVENUE OF THE AMERMANHATTAN · latest 06/14/2011
1 projects
Key relationships
Everyone →
Design firms
2 projects
2 projects
1 projects
1 projects
Filing representatives
2 projects
1 projects
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01235074 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off09/11/202509/25/2025
Design COSENTINI ASSOCIATES
Owner SL GREEN REALTY CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to Mechanical Systems as per plans filed herewith. No change to use, egress or occupancy.
M00942341 ↗5 WEST 33 STREET
MANHATTAN
AlterationSigned-off10/19/202302/16/2024
Design ROBERT DERECTOR ASSOCIATES
Owner BROOKFIELD PROPERTIES
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work as shown on plans (JPMC).
M00910838 ↗5 WEST 33 STREET
MANHATTAN
AlterationSigned-off10/13/202301/03/2024
Design ROBERT DERECTOR ASSOCIATES
Owner BROOKFIELD PROPERTIES
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work as shown on plans (JPMC)
M00869253 ↗65 EAST 55 STREET
MANHATTAN
AlterationSigned-off06/02/202309/11/2023
Design STANTEC
Owner B10 SoHo Retail JV LLC
Filer RIZZO GROUP
Mechanical modifications taking place on the 5th thru 7th floors per plans filed herewith. No change in use, egress or occupancy.
140320043BIS708 GREENWICH STREET
MANHATTAN
—ISSUED10/06/201710/06/2017—MH
122004749BIS600 5 AVENUE
MANHATTAN
—ISSUED06/30/201406/30/2014—MH
Counts cover all 7 projects (4 DOB NOW + 3 legacy BIS). 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
ROBERT DERECTOR ASSOCIATES205/06/2024
TED MOUDIS ASSOCIATES205/06/2024
COSENTINI ASSOCIATES109/11/2025
STANTEC106/02/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ABCO PEERLESS SPRINKLER C205/06/2024
BENCHMARK BUILDERS LLC205/06/2024
LAB PLBG & HTG CO INC101/18/2024
M&T PLBG AND HTG CO., INC105/06/2024
TRIDENT AIR CONDI CORP101/18/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BROOKFIELD PROPERTIES205/06/2024
B10 SoHo Retail JV LLC106/02/2023
SL GREEN REALTY CORP109/11/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WILLIAM VITACCO ASSOCIATES205/06/2024
A1 EXPEDITING SERVICE CORP.109/11/2025
RIZZO GROUP106/02/2023
4 DOB NOW projects + 3 legacy BIS 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 7Signed off 4Other status 3
7 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01235074 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off09/11/202509/25/2025
Design COSENTINI ASSOCIATES
Owner SL GREEN REALTY CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to Mechanical Systems as per plans filed herewith. No change to use, egress or occupancy.
M00942341 ↗5 WEST 33 STREET
MANHATTAN
AlterationSigned-off10/19/202302/16/2024
Design ROBERT DERECTOR ASSOCIATES
Owner BROOKFIELD PROPERTIES
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work as shown on plans (JPMC).
M00910838 ↗5 WEST 33 STREET
MANHATTAN
AlterationSigned-off10/13/202301/03/2024
Design ROBERT DERECTOR ASSOCIATES
Owner BROOKFIELD PROPERTIES
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work as shown on plans (JPMC)
M00869253 ↗65 EAST 55 STREET
MANHATTAN
AlterationSigned-off06/02/202309/11/2023
Design STANTEC
Owner B10 SoHo Retail JV LLC
Filer RIZZO GROUP
Mechanical modifications taking place on the 5th thru 7th floors per plans filed herewith. No change in use, egress or occupancy.
140320043BIS708 GREENWICH STREET
MANHATTAN
—ISSUED10/06/201710/06/2017—MH
122004749BIS600 5 AVENUE
MANHATTAN
—ISSUED06/30/201406/30/2014—MH
120643394BIS1250 AVENUE OF THE AMER
MANHATTAN
—ISSUED04/15/201106/14/2011—MH
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
5 WEST 33 STREET ↗207/08/2026
100 PARK AVENUE ↗107/08/2026
65 EAST 55 STREET ↗303/21/2026
▾Documents — 99 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch12
08/31/2026M00869253-I1 · 65 EAST 55 STREETRequest digital key ↗
08/28/2026M00942341-P1 · 5 WEST 33 STREETRequest digital key ↗
08/28/2026M00942341-S3 · 5 WEST 33 STREETRequest digital key ↗
Showing 3 of 12 on file for this type
▸Applications & Permits8
▸BISWORK PERMIT APPLICATION5
10/06/2017140320043 · 708 GREENWICH STREETOpen ↗
07/09/2014122004749 · 600 5 AVENUEOpen ↗
06/23/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
Showing 3 of 5 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION3
06/21/2014122004749 · 600 5 AVENUEOpen ↗
03/31/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
Showing 2 of 3 on file for this type
▸Seals & Professional Certifications43
▸DOB NOWDPL-1: Design Professional Seal & Signature12
08/31/2026M00869253-I1 · 65 EAST 55 STREETOpen ↗
08/28/2026M00942341-S2 · 5 WEST 33 STREETOpen ↗
08/28/2026M00942341-P1 · 5 WEST 33 STREETOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWProgress Inspector Seal & Signature10
09/02/2026M00942341-I1 · 5 WEST 33 STREETOpen ↗
09/01/2026M00910838-I1 · 5 WEST 33 STREETOpen ↗
08/31/2026M01235074-I1 · 100 PARK AVENUEOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
09/02/2026M00942341-I1 · 5 WEST 33 STREETOpen ↗
09/01/2026M00942341-S3 · 5 WEST 33 STREETOpen ↗
09/01/2026M00910838-I1 · 5 WEST 33 STREETOpen ↗
Showing 3 of 8 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION6
06/13/2018140320043 · 708 GREENWICH STREETOpen ↗
10/09/2014122004749 · 600 5 AVENUEOpen ↗
06/21/2014122004749 · 600 5 AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT2
04/20/2015140320043 · 708 GREENWICH STREETOpen ↗
06/21/2014122004749 · 600 5 AVENUEOpen ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
06/21/2014122004749 · 600 5 AVENUEOpen ↗
03/31/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
04/20/2015140320043 · 708 GREENWICH STREETOpen ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
03/31/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Environmental & Asbestos14
▸DOB NOWDEP ACP-5: Asbestos Assessment Report12
08/31/2026M00869253-I1 · 65 EAST 55 STREETOpen ↗
08/28/2026M00942341-P1 · 5 WEST 33 STREETOpen ↗
08/28/2026M00942341-S3 · 5 WEST 33 STREETOpen ↗
Showing 3 of 12 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
06/21/2014122004749 · 600 5 AVENUEOpen ↗
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
03/31/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
▸Energy Compliance4
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
06/13/2018140320043 · 708 GREENWICH STREETOpen ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
04/20/2015140320043 · 708 GREENWICH STREETOpen ↗
▸BISAS-BUILT ENERGY ANALYSIS1
06/13/2018140320043 · 708 GREENWICH STREETOpen ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
04/20/2015140320043 · 708 GREENWICH STREETOpen ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
04/20/2015140320043 · 708 GREENWICH STREETOpen ↗
▸Approvals, Objections & Sign-offs7
▸BISLANDMARKS APPROVAL4
06/13/2018140320043 · 708 GREENWICH STREETOpen ↗
04/20/2015140320043 · 708 GREENWICH STREETOpen ↗
06/21/2014122004749 · 600 5 AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
06/13/2018140320043 · 708 GREENWICH STREETOpen ↗
10/09/2014122004749 · 600 5 AVENUEOpen ↗
▸BISADMINISTRATIVE OBJECTIONS1
03/31/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT5
06/13/2018140320043 · 708 GREENWICH STREETOpen ↗
04/20/2015140320043 · 708 GREENWICH STREETOpen ↗
10/09/2014122004749 · 600 5 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸Filing & Intake Forms5
▸BISEFILING COVER SHEET2
06/21/2014122004749 · 600 5 AVENUEOpen ↗
03/31/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISADDITIONAL INFORMATION1
10/06/2011120643394 · 1250 AVENUE OF THE AMEROpen ↗
▸BISBOROUGH INTAKE FORM1
06/13/2018140320043 · 708 GREENWICH STREETOpen ↗