Mechanical System Modifications at 790 Madison Avenue, Manhattan
790 MADISON AVENUE, MANHATTAN, 10065 · Upper East Side-Carnegie Hill
What was permitted
Significant mechanical system upgrades are planned for a property at 790 Madison Avenue in the Upper East Side-Carnegie Hill neighborhood. The work includes modifications to the cellar, 1st, and 2nd floors, as well as the installation of a new unit on the roof.
This permit was issued on April 28, 2026, with an estimated cost of $170,000 for the mechanical work. MICHILLI INC is the general contractor responsible for these extensive system modifications.
A $170,000 mechanical systems permit at 790 Madison Avenue signifies substantial upgrades to building infrastructure across multiple levels.
What it cost
Issued
April 28, 2026
Expires
July 1, 2026
License
General Contractor
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Filed by MICHILLI INC · 26 permits across 6 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 676026026 |
| Work Permit # | M01361934-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | MECHANICAL MODIFICATIONS ON CELLAR, 1ST, 2ND FLOOR AND INSTALLATION OF UNIT ON ROOF AS INDICATED ON PLANS FILED HEREWITH. |
| Floor / Unit | Cellar, Floor Number(s) 001 through 001, Floor Number(s) 002 through 002, Roof |
| Estimated Cost | $170,000 |
| Approved | April 24, 2026 |
| Issued | April 28, 2026 |
| Expires | July 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
Douglas Elliman
Peter Kocaj