New AC Unit Installation at 54 West 21 Street, Manhattan
54 WEST 21 STREET, Manhattan, 10010 · Midtown South-Flatiron-Union Square
What was permitted
For those in Midtown South-Flatiron-Union Square, understanding the cost of mechanical system upgrades is key. This permit covers the installation of a new AC unit for a specific suite on the sixth floor of a building.
The permit was issued on July 6, 2026, with an estimated project cost of $45,000. AP MECHANICAL LLC (GC) is listed as the contractor for this installation.
A $45,000 AC unit installation in Midtown South-Flatiron-Union Square offers a benchmark for commercial HVAC upgrades.
What it cost
Issued
July 6, 2026
Expires
October 18, 2026
License
General Contractor
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Filed by AP MECHANICAL LLC · 7 permits across 4 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 | 890844697 |
| Work Permit # | M01397070-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Install new AC unit for suite 601 on 6th fl. No change in use, egress or occupancy |
| Floor / Unit | Floor Number(s) 6 through 6 |
| Estimated Cost | $45,000 |
| Approved | July 6, 2026 |
| Issued | July 6, 2026 |
| Expires | October 18, 2026 |
| BBL | — |
| BIN | — |
Property Owner
5421 Equities Company
MARK SOLBERG