← Back
Design Firm
THE GRENADIER CORP
Design
MANHATTAN · 5
Claim this page
5 buildings
6
Total Filings
5
Projects on File
5
Buildings Worked
0
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month5 projects all-time
0123Mar '24 · 1Jan '25 · 1Feb '25 · 2May '25 · 1Mar '24May '24Jul '24Sep '24Nov '24Jan '25Mar '25May '25
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off5100%
By project type
Alteration5
Most active buildings
All buildings →
636 AVENUE OF THE AMERMANHATTAN · latest 08/10/2026
1 projects
1070 5 AVENUEMANHATTAN · latest 08/10/2026
1 projects
615 WEST 131 STREETMANHATTAN · latest 08/14/2025
1 projects
21 WEST 53 STREETMANHATTAN · latest 08/12/2025
1 projects
512 EAST 71 STREETMANHATTAN · latest 03/27/2026
1 projects
Key relationships
Everyone →
Filing representatives
5 projects
Contractors
5 projects
People
All people →
ROBERT DELMONICOlatest 05/05/2025
6 filings
Filed under
THE GRENADIER CORP6
Identified by the contact ids of the people who file for the firm and by its email domain (grenadiercorp.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01187208 ↗1070 5 AVENUE
MANHATTAN
AlterationSigned-off02/27/202508/10/2026
Owner SOLOMON R. GUGGENHEIM MUSEUM
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01221173 ↗636 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off05/06/202508/10/2026
Owner THE NEW YORK HOTEL TRADES COUNCIL H
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01170437 ↗512 EAST 71 STREET
MANHATTAN
AlterationSigned-off01/22/202503/27/2026
Owner SOCIETY OF THE NY HOSPITAL
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01025399 ↗615 WEST 131 STREET
MANHATTAN
AlterationSigned-off03/26/202408/14/2025
Owner COLUMBIA UNIVERSITY
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
SUSPENDED SCAFFOLD (CD5) APPLICATION RENEWAL
M01179053 ↗21 WEST 53 STREET
MANHATTAN
AlterationSigned-off02/13/202508/12/2025
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF MATERIAL HOIST (COUNTERWEIGHTED SYSTEM).
Counts cover all 5 projects (5 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
ROBERT DELMONICO605/05/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
THE GRENADIER CORP505/06/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
COLUMBIA UNIVERSITY103/26/2024
SOCIETY OF THE NY HOSPITAL101/22/2025
SOLOMON R. GUGGENHEIM MUSEUM103/24/2025
THE NEW YORK HOTEL TRADES COUNCIL H105/06/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HS DESIGN STUDIO LLC505/06/2025
5 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 5Signed off 5
5 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01187208 ↗1070 5 AVENUE
MANHATTAN
AlterationSigned-off02/27/202508/10/2026
Owner SOLOMON R. GUGGENHEIM MUSEUM
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01221173 ↗636 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off05/06/202508/10/2026
Owner THE NEW YORK HOTEL TRADES COUNCIL H
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01170437 ↗512 EAST 71 STREET
MANHATTAN
AlterationSigned-off01/22/202503/27/2026
Owner SOCIETY OF THE NY HOSPITAL
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01025399 ↗615 WEST 131 STREET
MANHATTAN
AlterationSigned-off03/26/202408/14/2025
Owner COLUMBIA UNIVERSITY
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
SUSPENDED SCAFFOLD (CD5) APPLICATION RENEWAL
M01179053 ↗21 WEST 53 STREET
MANHATTAN
AlterationSigned-off02/13/202508/12/2025
Contractor THE GRENADIER CORP
Filer HS DESIGN STUDIO LLC
INSTALLATION OF MATERIAL HOIST (COUNTERWEIGHTED SYSTEM).
Scope of Work
Suspended Scaffold — 4 projects · most recent 05/06/2025
Suspended Scaffold (SC)
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
636 AVENUE OF THE AMER ↗105/05/2025
1070 5 AVENUE ↗203/24/2025
21 WEST 53 STREET ↗102/10/2025
512 EAST 71 STREET ↗101/22/2025
615 WEST 131 STREET ↗103/25/2024
▾Documents — 18 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/27/2026M01025399-I1 · 615 WEST 131 STREETRequest digital key ↗
08/25/2026M01170437-I1 · 512 EAST 71 STREETRequest digital key ↗
08/24/2026M01179053-I1 · 21 WEST 53 STREETRequest digital key ↗
Showing 3 of 6 on file for this type
▸Other Documents12
▸DOB NOWManufacturer's Specifications6
08/24/2026M01187208-I1 · 1070 5 AVENUEOpen ↗
08/13/2026M01170437-I1 · 512 EAST 71 STREETOpen ↗
08/13/2026M01221173-I1 · 636 AVENUE OF THE AMEROpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWCalculations6
08/24/2026M01187208-I1 · 1070 5 AVENUEOpen ↗
08/13/2026M01025399-I1 · 615 WEST 131 STREETOpen ↗
08/13/2026M01170437-I1 · 512 EAST 71 STREETOpen ↗
Showing 3 of 6 on file for this type