The Grenadier Corp. — NYC Rigger: DOB Permits, Filings & Buildings

Contractor

THE GRENADIER CORP

Rigger

5 projects with open permitsMANHATTAN · 16

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14 buildings

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

Rigger

Primary Trade

Activity

Projects by first filing month16 projects all-time

bars = month · line = 3-mo average

Portfolio status

Browse projects →

Open permit531%

Signed off1169%

By project type

Alteration16

Most active buildings

All buildings →

743 LEXINGTON AVENUEMANHATTAN · 1 open · latest 08/10/2026

2 projects

51 AUDUBON AVENUEMANHATTAN · latest 03/26/2025

2 projects

259 10 AVENUEMANHATTAN · 1 open · latest 08/12/2025

1 projects

636 AVENUE OF THE AMERMANHATTAN · latest 08/10/2026

1 projects

11 EAST 26 STREETMANHATTAN · 1 open · latest 07/21/2026

1 projects

9 WEST 57 STREETMANHATTAN · latest 01/30/2024

1 projects

Key relationships

Everyone →

Design firms

GEORGE J. XERAKIAS, PE

7 projects

Filing representatives

HS DESIGN STUDIO LLC

11 projects

Owners

AVENUES: THE WORLD SCHOOL

1 projects

COLUMBIA UNIVERSITY

1 projects

ROCKROSE DEVELOPMENT

1 projects

RUDIN MANAGEMENT CO INC

1 projects

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01187208 ↗	1070 5 AVENUE MANHATTAN	Alteration	Signed-off	02/27/2025	08/10/2026	Design THE GRENADIER CORP Owner SOLOMON R. GUGGENHEIM MUSEUM Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01216377 ↗	597 MADISON AVENUE MANHATTAN	Alteration	Permit Issued	06/05/2025	08/10/2026	Design GEORGE J. XERAKIAS, PE Owner VORNADO REALTY TRUST Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT
M01221173 ↗	636 AVENUE OF THE AMER MANHATTAN	Alteration	Signed-off	05/06/2025	08/10/2026	Design THE GRENADIER CORP Owner THE NEW YORK HOTEL TRADES COUNCIL H Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01394779 ↗	743 LEXINGTON AVENUE MANHATTAN	Alteration	Permit Issued	05/13/2026	08/10/2026	Design GEORGE J. XERAKIAS, PE Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01418793 ↗	11 EAST 26 STREET MANHATTAN	Alteration	Permit Issued	07/15/2026	07/21/2026	Design GEORGE J. XERAKIAS, PE Owner Rockrose Development Corp Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT. NO CHANGES IN THE EGRESS.
M01170437 ↗	512 EAST 71 STREET MANHATTAN	Alteration	Signed-off	01/22/2025	03/27/2026	Design THE GRENADIER CORP Owner SOCIETY OF THE NY HOSPITAL Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.

Counts cover all 16 projects (16 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.

Name	Projects together	Most recent
GEORGE J. XERAKIAS, PE	7	07/15/2026

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
AVENUES: THE WORLD SCHOOL	1	04/14/2025
COLUMBIA UNIVERSITY	1	03/26/2024
ROCKROSE DEVELOPMENT	1	07/15/2026
RUDIN MANAGEMENT CO INC	1	09/23/2024
SOCIETY OF THE NY HOSPITAL	1	01/22/2025
SOLOMON R. GUGGENHEIM MUSEUM	1	03/24/2025
THE NEW YORK HOTEL TRADES COUNCIL H	1	05/06/2025
VORNADO REALTY TRUST	1	08/19/2025

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
HS DESIGN STUDIO LLC	11	07/15/2026

16 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 16Open permit 5Signed off 11

16 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01187208 ↗	1070 5 AVENUE MANHATTAN	Alteration	Signed-off	02/27/2025	08/10/2026	Design THE GRENADIER CORP Owner SOLOMON R. GUGGENHEIM MUSEUM Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01216377 ↗	597 MADISON AVENUE MANHATTAN	Alteration	Permit Issued	06/05/2025	08/10/2026	Design GEORGE J. XERAKIAS, PE Owner VORNADO REALTY TRUST Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT
M01221173 ↗	636 AVENUE OF THE AMER MANHATTAN	Alteration	Signed-off	05/06/2025	08/10/2026	Design THE GRENADIER CORP Owner THE NEW YORK HOTEL TRADES COUNCIL H Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01394779 ↗	743 LEXINGTON AVENUE MANHATTAN	Alteration	Permit Issued	05/13/2026	08/10/2026	Design GEORGE J. XERAKIAS, PE Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01418793 ↗	11 EAST 26 STREET MANHATTAN	Alteration	Permit Issued	07/15/2026	07/21/2026	Design GEORGE J. XERAKIAS, PE Owner Rockrose Development Corp Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT. NO CHANGES IN THE EGRESS.
M01170437 ↗	512 EAST 71 STREET MANHATTAN	Alteration	Signed-off	01/22/2025	03/27/2026	Design THE GRENADIER CORP Owner SOCIETY OF THE NY HOSPITAL Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01079123 ↗	345 PARK AVENUE MANHATTAN	Alteration	Signed-off	07/25/2024	08/18/2025	Design GEORGE J. XERAKIAS, PE Owner RUDIN MANAGEMENT INC Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01025399 ↗	615 WEST 131 STREET MANHATTAN	Alteration	Signed-off	03/26/2024	08/14/2025	Design THE GRENADIER CORP Owner COLUMBIA UNIVERSITY Filer HS DESIGN STUDIO LLC	SUSPENDED SCAFFOLD (CD5) APPLICATION RENEWAL
M01060448 ↗	259 10 AVENUE MANHATTAN	Alteration	Permit Issued	06/04/2024	08/12/2025	Design GEORGE J. XERAKIAS, PE Owner AVENUES: THE WORLD SCHOOL Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT
M01179053 ↗	21 WEST 53 STREET MANHATTAN	Alteration	Signed-off	02/13/2025	08/12/2025	Design THE GRENADIER CORP Filer HS DESIGN STUDIO LLC	INSTALLATION OF MATERIAL HOIST (COUNTERWEIGHTED SYSTEM).
M01210525 ↗	743 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	04/16/2025	04/17/2025	Design GEORGE J. XERAKIAS, PE Filer HS DESIGN STUDIO LLC	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01162111 ↗	51 AUDUBON AVENUE MANHATTAN	Alteration	Signed-off	01/02/2025	03/26/2025	—	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01085275 ↗	161 FT WASHINGTON AVENUE MANHATTAN	Alteration	Permit Issued	08/07/2024	08/22/2024	Design GEORGE J. XERAKIAS, PE	INSTALLATION OF TEMPORARY SUSPENDED SCAFFOLD EQUIPMENT.
M01025606 ↗	1 HAVEN AVENUE MANHATTAN	Alteration	Signed-off	03/26/2024	03/27/2024	—	SUSPENDED SCAFFOLD (CD5) PERMIT RENEWAL
M00999471 ↗	51 AUDUBON AVENUE MANHATTAN	Alteration	Signed-off	02/01/2024	02/07/2024	—	INSTALLATION OF SUSPENDED SCAFFOLD EQUIPMENT TO ACCESS FACADE INSPECTIONS AND TO ACCESS FACADE WORK.
M00992592 ↗	9 WEST 57 STREET MANHATTAN	Alteration	Signed-off	01/18/2024	01/30/2024	—	INSTALLATION OF SUSPENDED SCAFFOLD EQUIPMENT TO ACCESS FACADE INSPECTIONS

Click a row for this entity's own projects, plans and documents at that building.

Building	Filings	Most Recent
743 LEXINGTON AVENUE ↗	3	08/11/2026

636 AVENUE OF THE AMER ↗	2	08/11/2026

597 MADISON AVENUE ↗	4	08/11/2026

1070 5 AVENUE ↗	2	08/11/2026

11 EAST 26 STREET ↗	1	07/22/2026

512 EAST 71 STREET ↗	4	07/08/2026

51 AUDUBON AVENUE ↗	3	07/08/2026

1 HAVEN AVENUE ↗	1	07/08/2026

161 FT WASHINGTON AVENUE ↗	1	07/08/2026

259 10 AVENUE ↗	3	07/08/2026

615 WEST 131 STREET ↗	1	07/08/2026

21 WEST 53 STREET ↗	3	07/08/2026

9 WEST 57 STREET ↗	1	07/08/2026

345 PARK AVENUE ↗	2	07/08/2026