Mechanical Systems at 785 Park Avenue, Manhattan
785 PARK AVENUE, MANHATTAN, 10021 · Upper East Side-Carnegie Hill
Estimated Project Cost
$0
Mechanical Systems
Issued
April 1, 2026
Expires
June 1, 2026
License
General Contractor
About This Project
For those on the Upper East Side, this permit provides a look at the cost of installing mechanical systems in residential buildings. Specifically, this project involved thru-wall units, a common upgrade for climate control.
The permit for this work was issued on April 1, 2026, with an estimated cost of $9,000. HAMILTON AIR COMPANY, INC (GC) handled the installation, ensuring no changes to the building's use, occupancy, or egress.
What This Means For You
Thru-wall unit installation on the Upper East Side cost $9,000, indicating a moderate expense for HVAC upgrades.
The Business That Did This Work
HAMILTON AIR COMPANY, INC
General Contractor · License #006049
545 EIGHTH AVENUE, STE 640
8 permits filed · 4 neighborhoods
Permit Details
| Tracking Number | 181964759 |
| Work Permit # | M01346101-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | THRU-WALL UNITS FILED IN 4A. NO CHANGE TO USE, OCCUPANCY OR EGRESS. |
| Floor / Unit | Floor Number(s) 004 through 004 |
| Estimated Cost | $9,000 |
| Approved | January 26, 2026 |
| Issued | April 1, 2026 |
| Expires | June 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
JENNIFER CREEL
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