Mechanical System Modifications at 138 West 90th Street, Manhattan
138 WEST 90 STREET, MANHATTAN, 10024 · Upper West Side (Central)
What was permitted
Significant mechanical system modifications are underway in a multi-story building on West 90th Street in Manhattan. This project spans the cellar through the fourth floors, as well as the roof, indicating comprehensive upgrades to the building's infrastructure.
The permit for this extensive work was issued on June 12, 2026, with an estimated project cost of $1,500,000. UNITED AIR CONDITIONING is listed as the General Contractor for these mechanical system improvements.
Homeowners in the Upper West Side should be aware of a substantial $1.5 million mechanical system upgrade project recently permitted for a building on West 90th Street.
What it cost
Issued
June 12, 2026
Expires
June 30, 2026
License
General Contractor
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Filed by UNITED AIR CONDITIONING · 1 permits across 1 neighborhood
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 | 513576494 |
| Work Permit # | M01406534-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Mechanical modifications taking place on Cellar, 1st thru 4th floors, Roof as per plans filed herewith. No change in use, egress or occupancy. |
| Floor / Unit | Cellar, Floor Number(s) 1 through 1, Floor Number(s) 2 through 2, Floor Number(s) 3 through 3, Floor Number(s) 4 through 4, Roof |
| Estimated Cost | $1,500,000 |
| Approved | June 11, 2026 |
| Issued | June 12, 2026 |
| Expires | June 30, 2026 |
| BBL | — |
| BIN | — |
Property Owner
HOLY NAME OF JESUS-ST GREGORY THE G
steven pace