5 WEST 73 STREET, Manhattan, 10023 · Upper West Side-Lincoln Square
A significant gut renovation is underway at 5 West 73rd Street in Manhattan, including the conversion of a penthouse to a 6th floor. This project aims to convert the property into a single-family home.
The permit was issued on September 1, 2026, with a substantial estimated project cost of $1,165,105. UGB DESIGN & BUILD INC is the general contractor managing this extensive renovation.
For major renovations and luxury conversions on the Upper West Side, like this penthouse to 6th-floor conversion, expect project costs to exceed $1 million.
Issued
September 1, 2026
Expires
September 26, 2026
License
General Contractor
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Filed by UGB DESIGN & BUILD INC · 1 permits across 1 neighborhood
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 140831461 |
| Work Permit # | M01133874-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | ALT CO FILED FOR CONVERSION TO SINGLE FAMILY HOME, CONVERT PENTHOUSE TO 6TH FLOOR, NET REDUCTION IN FLOOR AREA, GUT RENOVATION AS PER PLANS. |
| Floor / Unit | Cellar, Cellar, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Floor Number(s) 4, Floor Number(s) 5, Floor Number(s) 6, Penthouse 5, Roof |
| Estimated Cost | $1,165,105 |
| Approved | January 3, 2025 |
| Issued |
Not Applicable
walter baker
| September 1, 2026 |
| Expires | September 26, 2026 |
| BBL | — |
| BIN | — |
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