HVAC System Upgrades at 401 West 31st Street, Manhattan
401 WEST 31 STREET, MANHATTAN, 10001 · Chelsea-Hudson Yards
What was permitted
Homeowners in Chelsea-Hudson Yards can see the significant investment involved in upgrading mechanical systems. This permit covers modifications to an existing HVAC system, including the installation of new air conditioning units, ensuring comfort and efficiency for the building.
This project, with an estimated cost of $1,170,132, was issued on May 15, 2026, by HARBOUR MECHANICAL CORP. The permit indicates no changes to the building's use, egress, or occupancy.
A substantial mechanical systems upgrade at 401 West 31st Street in Chelsea-Hudson Yards cost over $1.1 million, highlighting the expense of modernizing HVAC.
What it cost
Issued
May 15, 2026
Expires
March 18, 2027
License
General Contractor
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Filed by HARBOUR MECHANICAL CORP · 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 | 373135929 |
| Work Permit # | M01347832-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Modifications to existing HVAC system & related piping including installation of AC units. No change in use, egress or occupancy. |
| Floor / Unit | Floor Number(s) 6 through 6 |
| Estimated Cost | $1,170,132 |
| Approved | March 18, 2026 |
| Issued | May 15, 2026 |
| Expires | March 18, 2027 |
| BBL | — |
| BIN | — |
Property Owner
Not Applicable
MICHAEL DELMONT