Major Mechanical Systems Work at 424 West 33 Street, Manhattan
424 WEST 33 STREET, MANHATTAN, 10001 · Chelsea-Hudson Yards
What was permitted
For those in Chelsea-Hudson Yards considering property conversions, this permit highlights the substantial mechanical systems work involved. This project is part of an Alt-CO to convert an office building to residential use.
Issued on April 28, 2026, this mechanical systems permit for 424 West 33 Street has an estimated cost of $4,340,000, managed by JRM CONSTRUCTION MGMT LLC.
A $4.34 million mechanical systems project in Manhattan signals significant investment for office-to-residential conversions.
What it cost
Issued
April 28, 2026
Expires
April 20, 2027
License
General Contractor
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Filed by JRM CONSTRUCTION MGMT LLC · 191 permits across 17 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 | 137877261 |
| Work Permit # | M01188248-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Mechanical work associated with Alt-CO to partially convert existing office building to residential use. |
| Floor / Unit | Cellar, Floor Number(s) 1 through 13, Roof |
| Estimated Cost | $4,340,000 |
| Approved | April 27, 2026 |
| Issued | April 28, 2026 |
| Expires | April 20, 2027 |
| BBL | — |
| BIN | — |
Property Owner
Not Applicable
ERNESTO BACALZO