Mechanical SystemsManhattanPermit Issued

Mechanical Systems Upgrade at 401 West 31 Street, Manhattan

401 WEST 31 STREET, MANHATTAN, 10001 · Chelsea-Hudson Yards

Estimated Project Cost

$0

Mechanical Systems

Issued

April 16, 2026

Expires

December 31, 2026

License

General Contractor

About This Project

This permit details significant mechanical work to be performed at the 401 West 31 Street address in Manhattan, as outlined in accompanying plans. Mechanical systems encompass HVAC, ventilation, and other building infrastructure essential for comfort and operation.

Issued on April 16, 2026, this project has an estimated cost of $465,000. STRUCTURE TONE, LLC (GC) is the general contractor overseeing this substantial mechanical upgrade.

What This Means For You

A major $465,000 mechanical systems project is permitted for 401 West 31 Street in the Chelsea-Hudson Yards neighborhood of Manhattan.

The Business That Did This Work

STRUCTURE TONE, LLC

General Contractor · License #002660

330 WEST 34TH STREET

75 permits filed · 10 neighborhoods

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Permit Details

Tracking Number852578922
Work Permit #M01373728-S1-MS
Job Filing Number
Work TypeMechanical Systems
StatusPermit Issued
Job DescriptionMechanical work as shown on plans filed herewith.
Floor / UnitFloor Number(s) 38 through 41
Estimated Cost$465,000
ApprovedApril 1, 2026
IssuedApril 16, 2026
ExpiresDecember 31, 2026
BBL
BIN

Property Owner

Not Applicable

MICHAEL DELMONT

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mechanical systemsChelsea-Hudson YardsNew York CityHVAC$465,000building infrastructure

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