Air Conditioning System Installation at 520 Madison Avenue, Manhattan
520 MADISON AVENUE, MANHATTAN, 10022 · Midtown-Times Square
What was permitted
A significant mechanical systems project is underway at 520 Madison Avenue in Manhattan's Midtown-Times Square neighborhood, involving the installation of a comprehensive air conditioning system. This includes condensate pumps, condenser water pumps, terminal boxes, and related ductwork and piping.
This permit was issued on May 28, 2026, with a substantial estimated project cost of $2,000,000. JT MAGEN & COMPANY INC is the general contractor for this extensive installation, which does not involve any changes to the building's use, egress, or occupancy.
A major air conditioning system upgrade at 520 Madison Avenue in Midtown-Times Square cost an estimated $2,000,000.
What it cost
Issued
May 28, 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 | 519144119 |
| Work Permit # | M01355353-S2-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Installation of air conditioning system, condensate pump, condenser water pumps, terminal boxes, air outlets and related ductwork/piping as per plans filed herewith. No change in use, egress or occupancy under this application. |
| Floor / Unit | Floor Number(s) 028 through 028, Floor Number(s) 029 through 029 |
| Estimated Cost | $2,000,000 |
| Approved | March 25, 2026 |
| Issued | May 28, 2026 |
| Expires | September 30, 2026 |
| BBL | — |
| BIN | — |
Property Owner
RCPI Landmarks LLC
Michael Dumelle