What was permitted
Residents and property owners on the Upper East Side-Carnegie Hill can see that interior renovations, including a sprinkler system, are planned for 645 Madison Avenue.
This permit was issued on May 14, 2026, with an estimated project cost of $25,000. ADVANCED PLUMBING LLC is the contractor for this sprinkler system work.
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.