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.
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View the official permit record
Tracking number, work description, cost and dates
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
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