What was permitted
Significant structural modifications are planned for 11 Madison Avenue in the Midtown South-Flatiron-Union Square area of Manhattan. This work involves creating new slab openings through localized slab and steel beam demolition.
The permit for these structural changes was issued on October 15, 2026, with a substantial estimated project cost of $214,394.60. ICON INTERIORS INC is the general contractor overseeing this 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 | 238007739 |
|---|---|
| Work permit # | M01443477-I1-ST |
| Job filing number | — |
| Work type | Structural |
| Status | Permit Issued |
| Job description | Structural modifications as per plans filed herewith. New slab openings (Localized slab and steel beam demo). No change in use, egress, or occupancy. |
| Floor / unit | Floor Number(s) 15 through 16 |
| Estimated cost | $214,395 |
| Approved | October 9, 2026 |
| Issued | October 15, 2026 |
| Expires | June 30, 2027 |
| BBL | — |
| BIN | — |
Property owner
Sl Green Realty CORP
Gianna Pilalis
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