Vertical Building Extension at 404 East 63 Street, Manhattan
404 EAST 63 STREET, MANHATTAN, 10065 · Upper East Side-Lenox Hill-Roosevelt Island
What was permitted
A significant construction project is underway at 404 East 63rd Street in Manhattan, involving a one-story vertical extension on an existing five-story mixed-use building. The work also includes facade repair, rehabilitation, and partial demolition across all floors, with the goal of converting the structure to residential use.
This permit was issued on June 15, 2026, with an estimated project cost of $2,017,200. The general contractor for this extensive renovation is ERIN CONSTRUCTION & DEVEL.
Residents in the Upper East Side-Lenox Hill-Roosevelt Island neighborhood can expect to see a substantial vertical addition and conversion at 404 E 63rd Street, with a project cost exceeding $2 million.
What it cost
Issued
June 15, 2026
Expires
August 31, 2026
License
General Contractor
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Filed by ERIN CONSTRUCTION & DEVEL · 9 permits across 3 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 | 894109999 |
| 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 | June 15, 2026 |
| Expires | August 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
PR
Jeffrey Stern