General Construction at 11 Madison Avenue, Manhattan
11 MADISON AVENUE, MANHATTAN, 10010 · Midtown South-Flatiron-Union Square
Estimated Project Cost
$0
General Construction
Issued
April 16, 2026
Expires
December 31, 2026
License
General Contractor
About This Project
This permit details significant general construction work at 11 Madison Avenue in Manhattan's Midtown South-Flatiron-Union Square neighborhood. The project involves installing fire-rated partitions to establish two new places of assembly and reduce the existing office occupant load, indicating a substantial commercial renovation.
The permit for this project was issued on April 16, 2026, with an estimated cost of $688,293. STRUCTURE TONE, LLC is listed as the General Contractor for this extensive building modification.
What This Means For You
Homeowners in Midtown South-Flatiron-Union Square should note the $688,293 permit for creating new assembly spaces, reflecting significant commercial development costs.
The Business That Did This Work
STRUCTURE TONE, LLC
General Contractor · License #002660
330 WEST 34TH STREET
75 permits filed · 10 neighborhoods
Permit Details
| Tracking Number | 940949890 |
| Work Permit # | M01250475-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | Fire-rated partition work to create two places of assembly and reduction of the existing office occupant load. |
| Floor / Unit | Floor Number(s) 5, Floor Number(s) 13, Floor Number(s) 13, Floor Number(s) 13, Floor Number(s) 13 |
| Estimated Cost | $688,293 |
| Approved | April 7, 2026 |
| Issued | April 16, 2026 |
| Expires | December 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
SL GREEN REALTY CORP
Gianna Pilalis
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