Mechanical System Modifications at 9 West 57 Street, Manhattan
9 WEST 57 STREET, Manhattan, 10019 · Midtown-Times Square
What was permitted
For those in Midtown-Times Square, understanding the cost of significant mechanical system upgrades is crucial. This permit details modifications to the 29th floor, impacting the building's infrastructure.
This extensive mechanical project, with an estimated cost of $290,534.1, received its permit on June 26, 2026, and was handled by TRI-STAR CONSTRUCTION COR. The work involves no change in use, egress, or occupancy.
Manhattan property owners can use this $290,534.1 project as a benchmark for major mechanical system renovations in commercial spaces.
What it cost
Issued
June 26, 2026
Expires
September 23, 2026
License
General Contractor
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Filed by TRI-STAR CONSTRUCTION COR · 49 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 | 995522169 |
| Work Permit # | M01412221-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | MECHANICAL MODIFICATIONS TAKING PLACE ON 29TH FLOOR CONSTRUCTION (30TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. |
| Floor / Unit | Floor Number(s) 029 through 029 |
| Estimated Cost | $290,534 |
| Approved | June 25, 2026 |
| Issued | June 26, 2026 |
| Expires | September 23, 2026 |
| BBL | — |
| BIN | — |
Property Owner
SECOND AVE SOLOW DEV CORP
ANTHONY MORIN