What was permitted
A significant General Construction project is underway at 404 East 63rd Street in Manhattan's Upper East Side-Lenox Hill-Roosevelt Island neighborhood. This involves adding a one-story vertical extension to the existing mixed-use building and converting it into a residential property.
This extensive renovation, with an estimated project cost of $2,017,200, was permitted on September 9, 2026. ERIN CONSTRUCTION & DEVEL is the general contractor for this substantial building modification.
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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 | 257012662 |
|---|---|
| Work permit # | M01215372-I1-GC |
| Job filing number | — |
| Work type | General Construction |
| Status | Permit Issued |
| Job description | One story vertical extension on top of the existing 5-story mixed-use building, including facade repair, rehabilitation, and partial demolition on all floors, to convert to a residential building. |
| 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, Roof, Roof |
| Estimated cost | $2,017,200 |
| Approved | January 28, 2026 |
| Issued | September 9, 2026 |
| Expires | October 4, 2026 |
| BBL | — |
| BIN | — |
Property owner
Pr
Jeffrey Stern
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