Horizontal Building Enlargement at 108 East 89th Street, Manhattan
108 EAST 89 STREET, MANHATTAN, 10128 · Upper East Side-Carnegie Hill
Estimated Project Cost
$0
General Construction
Issued
June 10, 2026
Expires
December 31, 2026
License
General Contractor
About This Project
Homeowners and property owners on Manhattan's Upper East Side can gauge the significant investment involved in building expansions. This permit for 108 East 89th Street details a horizontal enlargement of two floors.
This major general construction project, involving a horizontal enlargement of the 1st and 2nd floors and minor interior work, was issued a permit on June 10, 2026, with a substantial estimated cost of $2,000,096. ARCHSTONE BUILDERS LLC is the general contractor.
What This Means For You
A significant horizontal building enlargement project on the Upper East Side at 108 East 89th Street had an estimated cost of over $2 million.
The Business That Did This Work
ARCHSTONE BUILDERS LLC
General Contractor · License #608319
242.WEST 30TH STREET, SUITE#1003
30 permits filed · 14 neighborhoods
Permit Details
| Tracking Number | 766626674 |
| Work Permit # | M01237500-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | Horizontal enlargement of 1st and 2nd floors of existing building with minor interior work in adjacent spaces as shown on plans. Upgrading building to 1968 code construction classification I-A. |
| Floor / Unit | Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 2 |
| Estimated Cost | $2,000,096 |
| Approved | June 4, 2026 |
| Issued | June 10, 2026 |
| Expires | December 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
PR
MICHAEL MEZO
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