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Entity
New Mountain Capital
Tenant · filed under 2 names
4 projects with open permitsMANHATTAN · 4
1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
4
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month4 projects all-time
0123Sep '25 · 2Oct '25 · 2Sep '25Oct '25
Portfolio status
Browse projects →
Open permit4100%
By project type
Alteration4
Most active buildings
All buildings →
1631 BROADWAYMANHATTAN · 4 open · latest 11/07/2025
4 projects
Key relationships
Everyone →
Filing representatives
1 projects
Contractors
4 projects
Owners
1 projects
Filed under
New Mountain Capital3New Mountain1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01287122 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued10/30/202511/07/2025
Design Spectorgroup Architecture LLP
Contractor CLUNE CONSTRUCTION CO LP
New conference room, offices, and workstations
M01287136 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued10/28/202510/30/2025
Design ROBERT DERECTOR ASSOCIATES
Contractor CLUNE CONSTRUCTION CO LP
Modification to the existing HVAC design to adaptively reuse the existing equipment and distribution for the new layout.
M01276186 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued09/19/202509/24/2025
Design Spectorgroup Architecture LLP
Owner PARAMOUNT GROUP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
New conference room, offices, and workstations
M01279078 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued09/22/202509/24/2025
Design ROBERT DERECTOR ASSOCIATES
Contractor CLUNE CONSTRUCTION CO LP
Modification to the existing HVAC design to adaptively reuse the existing equipment and distribution for the new layout.
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
ROBERT DERECTOR ASSOCIATES210/28/2025
Spectorgroup Architecture LLP210/30/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CLUNE CONSTRUCTION CO LP410/30/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
PARAMOUNT GROUP109/19/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
A1 EXPEDITING SERVICE CORP.109/19/2025
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 4Open permit 4
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01287122 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued10/30/202511/07/2025
Design Spectorgroup Architecture LLP
Contractor CLUNE CONSTRUCTION CO LP
New conference room, offices, and workstations
M01287136 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued10/28/202510/30/2025
Design ROBERT DERECTOR ASSOCIATES
Contractor CLUNE CONSTRUCTION CO LP
Modification to the existing HVAC design to adaptively reuse the existing equipment and distribution for the new layout.
M01276186 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued09/19/202509/24/2025
Design Spectorgroup Architecture LLP
Owner PARAMOUNT GROUP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
New conference room, offices, and workstations
M01279078 ↗1631 BROADWAY
MANHATTAN
AlterationPermit Issued09/22/202509/24/2025
Design ROBERT DERECTOR ASSOCIATES
Contractor CLUNE CONSTRUCTION CO LP
Modification to the existing HVAC design to adaptively reuse the existing equipment and distribution for the new layout.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
1631 BROADWAY ↗410/30/2025
▾Documents — 18 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/21/2026M01276186-I1 · 1631 BROADWAYRequest digital key ↗
08/21/2026M01279078-I1 · 1631 BROADWAYRequest digital key ↗
08/21/2026M01287136-I1 · 1631 BROADWAYRequest digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications10
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/21/2026M01279078-I1 · 1631 BROADWAYOpen ↗
08/21/2026M01287122-I1 · 1631 BROADWAYOpen ↗
08/13/2026M01287136-I1 · 1631 BROADWAYOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
08/31/2026M01276186-I1 · 1631 BROADWAYOpen ↗
08/31/2026M01276186-I1 · 1631 BROADWAYOpen ↗
08/28/2026M01287122-I1 · 1631 BROADWAYOpen ↗
▸DOB NOWSpecial Inspector Seal & Signature3
08/31/2026M01276186-I1 · 1631 BROADWAYOpen ↗
08/28/2026M01287122-I1 · 1631 BROADWAYOpen ↗
08/28/2026M01287122-I1 · 1631 BROADWAYOpen ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/21/2026M01279078-I1 · 1631 BROADWAYOpen ↗
08/21/2026M01287122-I1 · 1631 BROADWAYOpen ↗
08/13/2026M01287136-I1 · 1631 BROADWAYOpen ↗
Showing 3 of 4 on file for this type