Irwin & Leighton Inc. — NYC General Contractor: DOB Permits, Filings & Buildings

Contractor

IRWIN & LEIGHTON INC

General Contractor

MANHATTAN · 2

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1 building

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

General Contractor

Primary Trade

Activity

Projects by first filing month2 projects all-time

Portfolio status

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Signed off2100%

By project type

Alteration2

Most active buildings

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497 WEST 129 STREETMANHATTAN · latest 06/12/2024

2 projects

Key relationships

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Design firms

CESO ARCHITECTS, INC.

1 projects

LBI, LLC

1 projects

Filing representatives

A1 EXPEDITING SERVICE CORP.

2 projects

Owners

ZE 129 LLC

2 projects

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01009771 ↗	497 WEST 129 STREET MANHATTAN	Alteration	Signed-off	04/08/2024	06/12/2024	Design CESO ARCHITECTS, INC. Owner ZE 129 LLC Filer A1 EXPEDITING SERVICE CORP.	Interior Renovations to an existing Warehouse Building. No change to use, egress, or occupancy.
M01009774 ↗	497 WEST 129 STREET MANHATTAN	Alteration	Signed-off	03/18/2024	06/05/2024	Design LBI, LLC Owner ZE 129 LLC Filer A1 EXPEDITING SERVICE CORP.	Modifications to existing Mechanical Systems. No change to use, egress, or occupancy.

Counts cover all 2 projects (2 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
CESO ARCHITECTS, INC.	1	10/01/2024
LBI, LLC	1	06/06/2025

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

Name	Projects together	Most recent
ZE 129 LLC	2	06/06/2025

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

Name	Projects together	Most recent
A1 EXPEDITING SERVICE CORP.	2	06/06/2025

2 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 2Signed off 2

2 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01009771 ↗	497 WEST 129 STREET MANHATTAN	Alteration	Signed-off	04/08/2024	06/12/2024	Design CESO ARCHITECTS, INC. Owner ZE 129 LLC Filer A1 EXPEDITING SERVICE CORP.	Interior Renovations to an existing Warehouse Building. No change to use, egress, or occupancy.
M01009774 ↗	497 WEST 129 STREET MANHATTAN	Alteration	Signed-off	03/18/2024	06/05/2024	Design LBI, LLC Owner ZE 129 LLC Filer A1 EXPEDITING SERVICE CORP.	Modifications to existing Mechanical Systems. No change to use, egress, or occupancy.