Mechanical Systems Modification at 11 Madison Avenue, Manhattan
11 MADISON AVENUE, Manhattan, 10010 · Midtown South-Flatiron-Union Square
What was permitted
A significant modification to the mechanical systems is underway at 11 Madison Avenue, located in the Midtown South-Flatiron-Union Square neighborhood of Manhattan. This work involves updates to the building's core infrastructure.
The permit was issued on June 30, 2026, with a substantial estimated project cost of $1,316,429.4. ICON INTERIORS INC is the general contractor overseeing this extensive mechanical systems project.
For those in Midtown South-Flatiron-Union Square, a major mechanical systems modification costing over $1.3 million is occurring at 11 Madison Avenue, impacting building infrastructure.
What it cost
Issued
June 30, 2026
Expires
June 30, 2027
License
General Contractor
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Filed by ICON INTERIORS INC · 71 permits across 7 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 | 392597644 |
| Work Permit # | M01399004-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Modification of mechanical systems as per plans filed herewith. No change in use, occupancy or egress. |
| Floor / Unit | Floor Number(s) 14 through 14 |
| Estimated Cost | $1,316,429 |
| Approved | June 26, 2026 |
| Issued | June 30, 2026 |
| Expires | June 30, 2027 |
| BBL | — |
| BIN | — |
Property Owner
SL GREEN REALTY CORP
Gianna Pilalis