Mechanical Systems Work at 520 Madison Avenue, Manhattan
520 MADISON AVENUE, MANHATTAN, 10022 · Midtown-Times Square
What was permitted
This permit covers the relocation of ductwork as part of an office renovation project. Homeowners and neighbors can use this information to understand the scope of mechanical system work involved in commercial property upgrades.
The permit for this project was issued on June 15, 2026, with JT MAGEN & COMPANY INC listed as the General Contractor. The project cost is not specified in this permit.
Office renovations involving ductwork relocation in Midtown-Times Square can impact nearby businesses and building systems.
What it cost
Issued
June 15, 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 | 116328945 |
| Work Permit # | M01407167-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | RELOCATION OF DUCTWORK IN CONNECTION WITH OFFICE RENOVATION |
| Floor / Unit | Floor Number(s) 036 through 037 |
| Estimated Cost | Not reported |
| Approved | June 9, 2026 |
| Issued | June 15, 2026 |
| Expires | September 30, 2026 |
| BBL | — |
| BIN | — |
Property Owner
RCPI Landmarks LLC
Michael Dumelle