Structural Work for Tenant Fit-Out at 1 Madison Avenue
1 MADISON AVENUE, MANHATTAN, 10010 · Midtown South-Flatiron-Union Square
What was permitted
This permit is for structural work at 1 Madison Avenue in Midtown South-Flatiron-Union Square, involving new pits in the existing slab and a new hung structure for a tenant fit-out.
The permit was issued on April 20, 2026, with an estimated cost of $19,991.1. The contractor is JT MAGEN & COMPANY INC.
Property owners in the Midtown South-Flatiron-Union Square area can use the $19,991.1 cost as a reference for similar structural projects.
What it cost
Issued
April 20, 2026
Expires
September 30, 2026
License
General Contractor
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Filed by JT MAGEN & COMPANY INC · 109 permits across 8 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 | 913042830 |
| Work Permit # | M01373702-I1-ST |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | New pits in existing slab on grade and new hung structure to accommodate tenant fit-out as per plans filed herewith. No change in use, egress or occupancy. |
| Floor / Unit | Floor Number(s) 1 through 2, Sub-cellar #1 |
| Estimated Cost | $19,991 |
| Approved | March 27, 2026 |
| Issued | April 20, 2026 |
| Expires | September 30, 2026 |
| BBL | — |
| BIN | — |
Property Owner
SL GREEN REALTY CORP
Gianna Pilalis