Mechanical Systems Modification at 51 West 52 Street, Manhattan
51 WEST 52 STREET, MANHATTAN, 10019 · Midtown-Times Square
What was permitted
A permit has been issued for significant mechanical system modifications at 51 WEST 52 STREET in Manhattan, specifically for floors 17 through 17. This project, located in the Midtown-Times Square neighborhood, involves modifying the existing mechanical system as per submitted plans, with no changes to the building's use, egress, or occupancy.
The estimated cost for this mechanical systems project is $320,390. The permit was officially issued on March 26, 2026, and is set to expire on April 20, 2026. JRM CONSTRUCTION MGMT LLC (GC) is the licensed contractor overseeing this work, with HARBOR GROUP MANAGEMENT COMPANY listed as the property owner.
This permit indicates internal mechanical system upgrades are underway, primarily affecting the 17th floor. As there are no changes to use, egress, or occupancy, direct impact on nearby residents or the building's overall function should be minimal.
What it cost
Issued
March 26, 2026
Expires
March 26, 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 | 642772854 |
| Work Permit # | M01356651-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Modification the existing mechanical system as per plans. No change to use, egress or occupancy |
| Floor / Unit | Floor Number(s) 17 through 17 |
| Estimated Cost | $320,390 |
| Approved | March 5, 2026 |
| Issued | March 26, 2026 |
| Expires | March 26, 2027 |
| BBL | — |
| BIN | — |
Property Owner
HARBOR GROUP MANAGEMENT COMPANY
William Vazquez