Office to Residential Conversion at 740 3rd Avenue, Manhattan
740 3 AVENUE, MANHATTAN, 10017 · East Midtown-Turtle Bay
Estimated Project Cost
$0
General Construction
Issued
June 12, 2026
Expires
July 1, 2026
License
General Contractor
About This Project
A major transformation is planned for the 34-story office building at 740 3rd Avenue in East Midtown-Turtle Bay, as a permit has been filed to convert it into a mixed-use residential property. This significant undertaking will likely impact the neighborhood.
Issued on June 12, 2026, this general construction project has an estimated cost of $98,161,390. NEW LINE STRUCTURES & DEV (GC) is the contractor overseeing this extensive conversion.
What This Means For You
A nearly $98 million project to convert a 34-story office building to residential use at 740 3rd Avenue was permitted, signaling a major shift in East Midtown-Turtle Bay's landscape.
The Business That Did This Work
NEW LINE STRUCTURES & DEV
General Contractor · License #614487
512 7TH AVENUE, 6TH FLOOR
4 permits filed · 2 neighborhoods
Permit Details
| Tracking Number | 547694097 |
| Work Permit # | M01197450-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | Filing to convert existing 34 high-rise office building to mixed used residential as per plans. |
| Floor / Unit | Sub-Cellar 1, Sub-Cellar 1, Sub-Cellar 1, Sub-Cellar 1, 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) 1, Floor |
| Estimated Cost | $98,161,390 |
| Approved | April 22, 2026 |
| Issued | June 12, 2026 |
| Expires | July 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
SL GREEN REALTY CORP
Gianna Pilalis
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