What was permitted
Residents and building owners on the Upper West Side can research the costs associated with mechanical system upgrades. This permit details the installation of a split system air conditioning unit for elevator machine rooms.
Issued on May 7, 2026, this mechanical systems permit has an estimated project cost of $30,000. CORNERSTONE MECHANICAL IN is the general contractor managing this installation.
Plan a similar project
Want work like this done at your place?
Tell us what you have in mind. We scope it, price it against work like this in Manhattan, and lines up the right contractor. You approve; we handle the back-and-forth.