Major Plumbing Renovation at 424 West 33 Street, Manhattan
424 WEST 33 STREET, MANHATTAN, 10001 · Chelsea-Hudson Yards
Estimated Project Cost
$0
Plumbing
Issued
May 4, 2026
Expires
June 1, 2026
License
Master Plumber
About This Project
Homeowners in Chelsea-Hudson Yards may notice extensive plumbing work underway at 424 West 33 Street. This project involves significant upgrades to the building's systems, as it's being partially converted from office space to residential units.
This permit was issued on May 4, 2026, with an estimated project cost of $2,601,000. The work is being managed by DEMAR PLUMBING CORP.
What This Means For You
A substantial $2.6 million plumbing project is underway in Chelsea-Hudson Yards, indicating a major building conversion that could impact local utilities.
The Business That Did This Work
DEMAR PLUMBING CORP
Master Plumber · License #001549
147 ATTORNEY STREET
6 permits filed · 2 neighborhoods
Permit Details
| Tracking Number | 403346495 |
| Work Permit # | M01188248-S2-PL |
| Job Filing Number | — |
| Work Type | Plumbing |
| Status | Permit Issued |
| Job Description | Plumbing 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 | $2,601,000 |
| Approved | December 5, 2025 |
| Issued | May 4, 2026 |
| Expires | June 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
Not Applicable
ERNESTO BACALZO
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