7 EAST 81 STREET, MANHATTAN, 10028 · Upper East Side-Carnegie Hill
This permit details significant mechanical system upgrades for a property on East 81st Street in Manhattan. The work involves transforming a four-family dwelling into a single-family home, with installations planned across multiple floors and the roof.
The permit was issued on April 24, 2026, with an estimated project cost of $550,005. THINK CONSTRUCTION LLC is listed as the General Contractor for this extensive mechanical renovation.
Homeowners on the Upper East Side can expect substantial mechanical system work, with this project costing over half a million dollars for a dwelling conversion.
Issued
April 24, 2026
Expires
September 16, 2026
License
General Contractor
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Filed by THINK CONSTRUCTION LLC · 6 permits across 4 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 307931521 |
| Work Permit # | M00334084-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Installation of mechanical units in an Existing 4 Family multiple dwelling to a single family dwelling on the CELLAR, BASEMENT, 1st thru 4th floors, and ROOF. New Certificate of Occupancy to be obtained. |
| Floor / Unit | Basement/Sub-basement, Cellar, Floor Number(s) 001 through 004, Roof |
| Estimated Cost | $550,005 |
| Approved | June 11, 2020 |
| Issued |
PR
CATERINA HEIL
| April 24, 2026 |
| Expires | September 16, 2026 |
| BBL | — |
| BIN | — |
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