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MANHATTAN · 13
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1 building
13
Total Filings
13
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month13 projects all-time
0235Oct '18 · 1Jul '19 · 1Aug '19 · 1Oct '21 · 2Nov '21 · 1Oct '22 · 1Sep '24 · 2Oct '24 · 4201920202021202220232024
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off1292%
Filed only18%
By project type
Alteration13
Most active buildings
All buildings →
20 WEST 44TH STREETMANHATTAN · latest 09/29/2025
13 projects
Key relationships
Everyone →
Contractors
11 projects
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01099531 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off09/24/202409/29/2025
Design HOWARD L ZIMMERMAN ARCH & ENG DPC
Owner General Society Mechanics & Tradesm
Contractor NOVA CONSTRUCTION SERVICE
Filer HOWARD L. ZIMMERMAN ARCHITECTS
STEEL REPAIRS AND COMPONENT REPLACEMENT OF EXISTING FIRE ESCAPE. NO CHANGE IN USE, EGRESS OR OCCUPANCY,
M01126154 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Contractor NOVA CONSTRUCTION SERVICE
INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01126156 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Contractor NOVA CONSTRUCTION SERVICE
INSTALLATION OF TEMPORARY PIPE SCAFFOLD AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01126159 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Contractor NOVA CONSTRUCTION SERVICE
INSTALLATION OF TEMPORARY STORAGE OF MATERIALS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01126161 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Owner General Society Mechanics & Tradesm
Contractor NOVA CONSTRUCTION SERVICE
Filer AE DESIGN SOLUTION INC.
INSTALLATION OF TEMPORARY BETA MAX HOIST AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01116327 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off09/25/202410/03/2024
Design EASTON ARCHITECTS LLP
Owner THE GENERAL SOCIETY OF MECHANICS &
Contractor NOVA CONSTRUCTION SERVICE
Filer DYNAMIC BUILDING CONSULTANTS, INC
Respectfully request the removal of non-operational chimney @ Roof. No change in use, egress, or occupancy.
Counts cover all 13 projects (13 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
Paul Perdek, Prof. Engineering510/18/2024
Easton Architects211/19/2024
Baileys Engineering108/02/2019
Becht Engineering BT111/10/2021
Howard L Zimmerman Arch & Engineering109/24/2024
Scalar Architecture107/12/2019
Thornton Tomasetti111/18/2024
Tohfaz Uddin PE110/01/2018
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Nova Construction Service1111/19/2024
Spring Scaffolding110/01/2018
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
The General Society Mechanics611/19/2024
General Society Mechanics & Tradesm210/18/2024
Spring Scaffolding110/01/2018
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Dynamic Building Consultants411/19/2024
AE Design Solution110/18/2024
Howard L. Zimmerman Architects109/24/2024
Spring Scaffolding110/01/2018
13 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 13Signed off 12Filed only 1
13 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01099531 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off09/24/202409/29/2025
Design HOWARD L ZIMMERMAN ARCH & ENG DPC
Owner General Society Mechanics & Tradesm
Contractor NOVA CONSTRUCTION SERVICE
Filer HOWARD L. ZIMMERMAN ARCHITECTS
STEEL REPAIRS AND COMPONENT REPLACEMENT OF EXISTING FIRE ESCAPE. NO CHANGE IN USE, EGRESS OR OCCUPANCY,
M01126154 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Contractor NOVA CONSTRUCTION SERVICE
INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01126156 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Contractor NOVA CONSTRUCTION SERVICE
INSTALLATION OF TEMPORARY PIPE SCAFFOLD AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01126159 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Contractor NOVA CONSTRUCTION SERVICE
INSTALLATION OF TEMPORARY STORAGE OF MATERIALS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01126161 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/18/202410/21/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Owner General Society Mechanics & Tradesm
Contractor NOVA CONSTRUCTION SERVICE
Filer AE DESIGN SOLUTION INC.
INSTALLATION OF TEMPORARY BETA MAX HOIST AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01116327 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off09/25/202410/03/2024
Design EASTON ARCHITECTS LLP
Owner THE GENERAL SOCIETY OF MECHANICS &
Contractor NOVA CONSTRUCTION SERVICE
Filer DYNAMIC BUILDING CONSULTANTS, INC
Respectfully request the removal of non-operational chimney @ Roof. No change in use, egress, or occupancy.
M00579163 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/21/202101/02/2024
Design EASTON ARCHITECTS LLP
Owner THE GENERAL SOCIETY OF MECHANICS &
Contractor NOVA CONSTRUCTION SERVICE
Filer DYNAMIC BUILDING CONSULTANTS, INC
Respectfully request to file for Skylight Restoration @ Roof Area. No Change in Use, Egress, or Occupancy.
M00616366 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/28/202101/02/2024
Design THORNTON TOMASETTI
Owner THE GENERAL SOCIETY OF MECHANICS &
Contractor NOVA CONSTRUCTION SERVICE
Filer DYNAMIC BUILDING CONSULTANTS, INC
Respectfully request for filing structural portion of restoration to existing skylight.
M08012034 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/11/202201/02/2024
Design PAUL PERDEK, PROF. ENG. PLLC
Contractor NOVA CONSTRUCTION SERVICE
INSTALLATION OF TEMPORARY WORK PLATFORM AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00083904 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off10/01/201812/16/2021
Design TOHFAZ UDDIN PE PC
Owner SPRING SCAFFOLDING LLC
Contractor SPRING SCAFFOLDING LLC
Filer SPRING SCAFFOLDING LLC
SIDEWALK SHED PROPOSED INSTALLATION OF SIDEWALK SHED AS PER PLAN NO CHANGE IN USE, OCCUPANCY OF EGRESS UNDER THIS APPLICATION.
M00579241 ↗20 WEST 44TH STREET
MANHATTAN
AlterationFiled — no permit on record11/10/2021—
Design BECHT ENGINEERING BT, INC.
Owner THE GENERAL SOCIETY OF MECHANICS &
Filer DYNAMIC BUILDING CONSULTANTS, INC
—
M00194965 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off08/02/201906/07/2021
Design BAILEYS ENGINEERING PC
Owner THE GENERAL SOCIETY OF MECHANICS &
Contractor NOVA CONSTRUCTION SERVICE
Filer AE DESIGN SOLUTION INC.
INSTALLATION OF SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00190465 ↗20 WEST 44TH STREET
MANHATTAN
AlterationSigned-off07/12/201906/03/2021
Design SCALAR ARCHITECTURE PC
Owner THE GENERAL SOCIETY OF MECHANICS &
Contractor NOVA CONSTRUCTION SERVICE
Filer AE DESIGN SOLUTION INC.
INSTALLATION OF PIPE SCAFFOLD AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
20 WEST 44TH STREET ↗1311/19/2024
▾Documents — 66 on file (BIS + DOB NOW)
▸Plans & Drawings15
▸DOB NOWPlans/Sketch13
09/06/2026M00083904-I1 · 20 WEST 44TH STREETRequest digital key ↗
09/03/2026M00579163-P1 · 20 WEST 44TH STREETRequest digital key ↗
09/03/2026M00579163-I1 · 20 WEST 44TH STREETRequest digital key ↗
Showing 3 of 13 on file for this type
▸DOB NOWPlans/Sketch - Sidewalk Shed1
09/05/2026M00194965-I1 · 20 WEST 44TH STREETRequest digital key ↗
▸DOB NOWPlans/Sketch - Supported Scaffold1
09/05/2026M00190465-I1 · 20 WEST 44TH STREETRequest digital key ↗
▸Applications & Permits7
▸DOB NOWLPC Approval/Permit7
08/13/2026M00579163-I1 · 20 WEST 44TH STREETOpen ↗
08/13/2026M00579163-P1 · 20 WEST 44TH STREETOpen ↗
08/13/2026M00579241-I1 · 20 WEST 44TH STREETOpen ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications27
▸DOB NOWDPL-1: Design Professional Seal & Signature15
09/05/2026M00190465-I1 · 20 WEST 44TH STREETOpen ↗
09/03/2026M00579163-P1 · 20 WEST 44TH STREETOpen ↗
09/03/2026M00579163-I1 · 20 WEST 44TH STREETOpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
09/01/2026M00579163-P1 · 20 WEST 44TH STREETOpen ↗
09/01/2026M00579163-P1 · 20 WEST 44TH STREETOpen ↗
09/01/2026M00579163-P1 · 20 WEST 44TH STREETOpen ↗
Showing 3 of 7 on file for this type
▸DOB NOWProgress Inspector Seal & Signature5
09/01/2026M00190465-I1 · 20 WEST 44TH STREETOpen ↗
09/01/2026M00579163-P1 · 20 WEST 44TH STREETOpen ↗
08/28/2026M00616366-I1 · 20 WEST 44TH STREETOpen ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2
09/03/2026M00579163-I1 · 20 WEST 44TH STREETOpen ↗
08/13/2026M01099531-I1 · 20 WEST 44TH STREETOpen ↗
▸Approvals, Objections & Sign-offs14
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter14
09/05/2026M00190465-I1 · 20 WEST 44TH STREETOpen ↗
09/03/2026M00579163-P1 · 20 WEST 44TH STREETOpen ↗
09/03/2026M00579163-I1 · 20 WEST 44TH STREETOpen ↗
Showing 3 of 14 on file for this type
▸Other Documents1
▸DOB NOWProof of Historic Building1
08/13/2026M01099531-I1 · 20 WEST 44TH STREETOpen ↗