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.
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