Mechanical System Modifications at 340 Madison Avenue, Manhattan
340 MADISON AVENUE, MANHATTAN, 10173 · Midtown-Times Square
What was permitted
A permit has been issued for mechanical modifications on the 22nd floor of the building located at 340 Madison Avenue in Manhattan's Midtown-Times Square neighborhood. These updates are part of ongoing building system improvements.
Issued on April 28, 2026, this project has an estimated cost of $90,000. The modifications do not involve any changes to the building's use, egress, or occupancy. Clune Construction Co LP is the contractor responsible for this work.
For significant mechanical system upgrades in Midtown Manhattan, such as those at 340 Madison Avenue, expect project costs to be around $90,000.
What it cost
Issued
April 28, 2026
Expires
August 31, 2026
License
General Contractor
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Filed by CLUNE CONSTRUCTION CO LP · 107 permits across 14 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 757502627 |
| Work Permit # | M01385161-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Mechanical modifications taking place on the 22 floor as per plans filed herewith. No change in use, egress or occupancy |
| Floor / Unit | Floor Number(s) 22 through 22 |
| Estimated Cost | $90,000 |
| Approved | April 27, 2026 |
| Issued | April 28, 2026 |
| Expires | August 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
340 Madison Owner LLC
Ana Lupu