What was permitted
This permit details significant mechanical modifications taking place on the 29th floor of the building at 9 West 57 Street in Manhattan. The work is being performed in conjunction with construction on the 30th floor, intended for marketing purposes.
The project, issued on October 19, 2026, has an estimated cost of $402,578.94 and is being managed by TRI-STAR CONSTRUCTION COR. No changes to the building's use, egress, or occupancy are anticipated as a result of this work.
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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 | 355220660 |
|---|---|
| Work permit # | M01468450-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 | $402,579 |
| Approved | October 16, 2026 |
| Issued | October 19, 2026 |
| Expires | January 1, 2027 |
| BBL | — |
| BIN | — |
Property owner
Second Ave Solow Dev CORP
Anthony Morin
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