General ConstructionManhattanPermit Issued

Interior Alteration at 401 West 31 Street, Manhattan

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

1

What was permitted

For property owners in Manhattan's Chelsea-Hudson Yards area, this permit offers insight into the significant costs of interior alterations for new office tenants. The project involves selective demolition and new partitions.

Issued on July 6, 2026, this general construction permit has an estimated project cost of $5,987,739 for interior alterations at 401 West 31 Street. STRUCTURE TONE, LLC (GC) is the contractor.

Interior alterations for new office tenants in Manhattan's Chelsea-Hudson Yards can involve substantial costs, with this project estimated at nearly $6 million.

2

What it cost

$5,987,739reported on this filing

Issued

July 6, 2026

Expires

December 31, 2026

License

General Contractor

3

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Filed by STRUCTURE TONE, LLC · 221 permits across 16 neighborhoods

View the official permit record

Tracking number, work description, cost, and dates

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Tracking Number838862356
Work Permit #M01406455-I1-GC
Job Filing Number
Work TypeGeneral Construction
StatusPermit Issued
Job DescriptionSelective demolition and interior alteration for new office tenant. Work to include new non-loading bearing partitions, finishes opening protectives and fixtures. No change in use, egress or occupancy,
Floor / UnitFloor Number(s) 57 through 57
Estimated Cost$5,987,739
ApprovedJune 29, 2026
IssuedJuly 6, 2026
ExpiresDecember 31, 2026
BBL
BIN

Property Owner

Not Applicable

MICHAEL DELMONT

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interior alterationChelsea-Hudson YardsManhattanNew York Citygeneral construction$5.9M project cost