Mechanical Systems Modifications at 40 West 23 Street, Manhattan
40 WEST 23 STREET, MANHATTAN, 10010 · Midtown South-Flatiron-Union Square
What was permitted
In Manhattan's Midtown South neighborhood, a substantial project is underway at 40 West 23 Street involving modifications to existing mechanical systems. This work is being done as per filed plans and does not alter the property's use, egress, or occupancy.
The permit for these mechanical system upgrades was issued on May 5, 2026, with a significant estimated project cost of $749,999.91. PHASE 3 INTERIORS LLC (GC) is the contractor responsible for this project.
A nearly $750,000 project to modify mechanical systems was permitted in Midtown South, suggesting a major building upgrade.
What it cost
Issued
May 5, 2026
Expires
September 30, 2026
License
General Contractor
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Filed by PHASE 3 INTERIORS LLC · 31 permits across 7 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 | 218373461 |
| Work Permit # | M01239647-S2-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Modifications to existing Mechanical Systems as per plans filed herewith. no change in use, egress or occupancy. |
| Floor / Unit | Floor Number(s) 5 through 7, Roof |
| Estimated Cost | $750,000 |
| Approved | May 1, 2026 |
| Issued | May 5, 2026 |
| Expires | September 30, 2026 |
| BBL | — |
| BIN | — |
Property Owner
COLLIERS
Luis Iglesias Jr.