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.
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View the official permit record
Tracking number, work description, cost and dates
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
Related searches
mechanical systemsChelsea-Hudson YardsManhattanNew York Citybuilding conversion$4,340,000office to residential