Simpson Thacher & Bartlett — NYC Tenant: Renovation Projects, Floors & Buildings from Filed Plans

Entity

Simpson Thacher & Bartlett

Tenant

3 projects with open permitsMANHATTAN · 19

1 building

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

Tenant

Primary Trade

Activity

Projects by first filing month19 projects all-time

bars = month · line = 3-mo average

Portfolio status

Browse projects →

Open permit316%

Signed off1684%

By project type

Alteration18

Alteration CO1

Most active buildings

All buildings →

425 LEXINGTON AVENUEMANHATTAN · 3 open · latest 04/27/2026

19 projects

Key relationships

Everyone →

Design firms

GENSLER

10 projects

AMA CONSULTING ENGINEERS, PC

8 projects

GILSANZ MURRAY STEFICEK LLP

1 projects

Filing representatives

A1 EXPEDITING SERVICE CORP.

15 projects

Contractors

STRUCTURE TONE, LLC

14 projects

ABCO-PEERLESS SPRKLR CORP

3 projects

PREFERRED MECHANICAL INC

3 projects

Owners

VBGO 425 LEXINGTON LLC

15 projects

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01264136 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration CO	Permit Issued	10/17/2025	04/27/2026	Design GENSLER Contractor STRUCTURE TONE, LLC	INSTALLATION OF INTERIOR NON-BEARING PARTITIONS AND RELATED FINISHES AS PER DRAWINGS FILED HEREWITH. Change of occupancy from 110 to 202 on …
M01280720 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	10/03/2025	10/10/2025	Design GILSANZ MURRAY STEFICEK LLP Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	Structural modifications as per plans. No change to use, egress or occupancy.
M01264086 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Permit Issued	09/12/2025	09/26/2025	Design GENSLER Contractor STRUCTURE TONE, LLC	INTERIOR RENOVATIONS AND MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01264118 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/12/2025	09/19/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor ABCO-PEERLESS SPRKLR CORP Filer A1 EXPEDITING SERVICE CORP.	SPRINKLER & Standpipe MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01264120 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/15/2025	09/19/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor ABCO-PEERLESS SPRKLR CORP Filer A1 EXPEDITING SERVICE CORP.	SPRINKLER & Standpipe MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01259944 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/12/2025	09/18/2025	Design GENSLER Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	Removal and installation of non-bearing partitions and related finishes as per drawings. No change in egress or occupancy.

Counts cover all 19 projects (19 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
GENSLER	10	11/04/2025
AMA CONSULTING ENGINEERS, PC	8	03/24/2026
GILSANZ MURRAY STEFICEK LLP	1	10/03/2025

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

Name	Projects together	Most recent
STRUCTURE TONE, LLC	14	03/24/2026
ABCO-PEERLESS SPRKLR CORP	3	02/24/2026
PREFERRED MECHANICAL INC	3	02/13/2026

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

Name	Projects together	Most recent
VBGO 425 LEXINGTON LLC	15	03/24/2026

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

Name	Projects together	Most recent
A1 EXPEDITING SERVICE CORP.	15	03/24/2026

19 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 19Open permit 3Signed off 16

Any typeAlteration 18Alteration CO 1

19 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01264136 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration CO	Permit Issued	10/17/2025	04/27/2026	Design GENSLER Contractor STRUCTURE TONE, LLC	INSTALLATION OF INTERIOR NON-BEARING PARTITIONS AND RELATED FINISHES AS PER DRAWINGS FILED HEREWITH. Change of occupancy from 110 to 202 on …
M01280720 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	10/03/2025	10/10/2025	Design GILSANZ MURRAY STEFICEK LLP Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	Structural modifications as per plans. No change to use, egress or occupancy.
M01264086 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Permit Issued	09/12/2025	09/26/2025	Design GENSLER Contractor STRUCTURE TONE, LLC	INTERIOR RENOVATIONS AND MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01264118 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/12/2025	09/19/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor ABCO-PEERLESS SPRKLR CORP Filer A1 EXPEDITING SERVICE CORP.	SPRINKLER & Standpipe MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01264120 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/15/2025	09/19/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor ABCO-PEERLESS SPRKLR CORP Filer A1 EXPEDITING SERVICE CORP.	SPRINKLER & Standpipe MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01259944 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/12/2025	09/18/2025	Design GENSLER Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	Removal and installation of non-bearing partitions and related finishes as per drawings. No change in egress or occupancy.
M01259952 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/12/2025	09/18/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	Additions and modifications to the existing HVAC systems as per plans filed herewith. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01264092 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/10/2025	09/17/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor PREFERRED MECHANICAL INC Filer A1 EXPEDITING SERVICE CORP.	PLUMBING MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01264096 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/11/2025	09/17/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor PREFERRED MECHANICAL INC Filer A1 EXPEDITING SERVICE CORP.	PLUMBING MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01264087 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	09/10/2025	09/12/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	MECHANICAL MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01211858 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	05/12/2025	05/22/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor ABCO-PEERLESS SPRKLR CORP Filer A1 EXPEDITING SERVICE CORP.	PLUMBING AND SPRINKLER MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01211844 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Permit Issued	05/12/2025	05/14/2025	Design GENSLER Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	INTERIOR RENOVATIONS AND MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01211847 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	05/12/2025	05/14/2025	Design AMA CONSULTING ENGINEERS, PC Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	MECHANICAL MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00955231 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	11/30/2023	12/06/2023	Design GENSLER Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	INTERIOR RENOVATIONS AND MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00590862 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	11/10/2021	05/03/2022	Design GENSLER Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	Removal and installation of interior non-bearing partitions and related finishes as per plans filed herewith. No change in use, egress or o…
M00696735 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	04/04/2022	04/25/2022	Design GENSLER Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	INTERIOR RENOVATIONS AND MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00696679 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	04/04/2022	04/07/2022	Design GENSLER Owner VBGO 425 LEXINGTON LLC Contractor STRUCTURE TONE, LLC Filer A1 EXPEDITING SERVICE CORP.	INTERIOR RENOVATIONS AND MODIFICATIONS AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00673748 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	02/22/2022	03/22/2022	Design GENSLER Contractor STRUCTURE TONE, LLC	INTERIOR DEMOLITION AS PER PLANS FILED HEREWITH. NO CHANGE IN EGRESS, USE OR OCCUPANCY.
M00547399 ↗	425 LEXINGTON AVENUE MANHATTAN	Alteration	Signed-off	08/18/2021	08/20/2021	Design GENSLER Contractor STRUCTURE TONE, LLC	Removal and installation of interior non-bearing partitions and related finishes as per plans filed herewith. No change in use, egress or o…