What was permitted
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.
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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 | 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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