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Mechanical SystemsManhattanPermit issued

Major Mechanical Modifications at 390 Madison Avenue, Manhattan

390 MADISON AVENUE, Manhattan, 10017 · Midtown-Times Square

Winston

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Reported project cost

$2,200,044

As declared on the permit filing. Mechanical Systems.

Issued
July 8, 2026
Expires
December 31, 2026
License
General Contractor

What was permitted

Significant mechanical modifications are taking place on the 16th floor of 390 Madison Avenue in Manhattan, as per the filed plans. These updates are crucial for the building's infrastructure and operational efficiency.

This permit was issued on July 8, 2026, with a substantial estimated project cost of $2,200,044. STRUCTURE TONE, LLC is the general contractor overseeing these extensive mechanical system upgrades.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number974046570
Work permit #M01417593-S1-MS
Job filing number—
Work typeMechanical Systems
StatusPermit Issued
Job descriptionMechanical modifications taking place on the 16 floor as per plans filed herewith. No change in use, egress or occupancy
Floor / unitFloor Number(s) 16 through 16
Estimated cost$2,200,044
ApprovedJuly 7, 2026
IssuedJuly 8, 2026
ExpiresDecember 31, 2026
BBL—
BIN—

Property owner

Nys Common Retirement Fund

William Gill

Related searches

mechanical systemsMidtown-Times SquareNew York Citybuilding permitcommercial renovationHVAClarge project cost