Major Office to Residential Conversion at 1005 1 Avenue, Manhattan
1005 1 AVENUE, MANHATTAN, 10022 · East Midtown-Turtle Bay
What was permitted
A significant construction project is underway in East Midtown-Turtle Bay, involving the conversion of an office building into residential units and an enlargement of the existing structure. This type of large-scale renovation can dramatically alter the urban landscape and housing availability in the neighborhood.
This permit was issued on March 30, 2026, with an estimated project cost of $66,174,990. The general contractor for this extensive work is X11 FIRST AVE LLC.
Homeowners in East Midtown-Turtle Bay should note the substantial $66 million investment in converting an office building to residential use, indicating a major shift in local property development.
What it cost
Issued
March 30, 2026
Expires
June 20, 2026
License
General Contractor
Price your own project
See what a project like this costs near you
We'll compare your scope against real permits and licensed contractors in the area.
Start my estimate →Free · takes 60 seconds · no account needed
Filed by X11 FIRST AVE LLC · 2 permits across 1 neighborhood
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 | 958335052 |
| Work Permit # | M01216837-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | Application filed for an office to residential conversion and enlargement to the existing building. |
| Floor / Unit | Cellar, Cellar, Cellar, Cellar, Cellar, Cellar, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 2, Floor Number(s) 2, |
| Estimated Cost | $66,174,990 |
| Approved | January 16, 2026 |
| Issued | March 30, 2026 |
| Expires | June 20, 2026 |
| BBL | — |
| BIN | — |
Property Owner
X11 First Ave LLC
Joseph Chilelli