What was permitted
This permit details a renovation for a duplex apartment on the 3rd and 4th floors at 447 EAST 57 STREET in Manhattan's East Midtown-Turtle Bay neighborhood. The work includes non-structural demolition and minor mechanical modifications, providing a look at residential interior upgrades.
Issued on September 22, 2026, the estimated project cost for this renovation is $289,000. UBS BUILDERS, LLC is the General Contractor overseeing this mechanical systems project.
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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 | 993438256 |
|---|---|
| Work permit # | M01337695-I1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | Renovation of an existing duplex apartment on the 3rd and 4th floors. Work includes non-structural demolition, general construction and minor mechanical modification as per plans filed herewith. no change to use egress or occupancy. |
| Floor / unit | Floor Number(s) 3 through 4 |
| Estimated cost | $289,000 |
| Approved | January 20, 2026 |
| Issued | September 22, 2026 |
| Expires | May 7, 2027 |
| BBL | — |
| BIN | — |
Property owner
Ben Chait
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