Mechanical Systems Installation at 520 Madison Avenue, Manhattan
520 MADISON AVENUE, Manhattan, 10022 · Midtown-Times Square
What was permitted
For those in the Midtown-Times Square area, a substantial mechanical systems project is underway at 520 Madison Avenue. This involves the installation of water-cooled packaged air conditioning units, fans, and associated ductwork and piping.
This permit was issued on June 29, 2026, with an estimated project cost of $375,000. BUILD NYC GROUP CORP (GC) is the contractor for this mechanical upgrade.
A $375,000 project to install new air conditioning systems at 520 Madison Avenue in Manhattan was permitted on June 29, 2026.
What it cost
Issued
June 29, 2026
Expires
July 17, 2026
License
General Contractor
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Filed by BUILD NYC GROUP CORP · 3 permits across 2 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 | 803927928 |
| Work Permit # | M01379557-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Installation of water cooled packaged air conditioning units, fan and related ductwork/piping as per plans filed herewith. No change in use, egress or occupancy under this application. |
| Floor / Unit | Cellar, Floor Number(s) 001 through 001, Mezzanine 001 through 001 |
| Estimated Cost | $375,000 |
| Approved | June 26, 2026 |
| Issued | June 29, 2026 |
| Expires | July 17, 2026 |
| BBL | — |
| BIN | — |
Property Owner
RCPI Landmarks LLC
Michael Dumelle