What was permitted
Residents and property owners on the Upper East Side-Carnegie Hill may note sprinkler system work at 909 Madison Avenue. This project involves additions and modifications to the existing sprinkler system across multiple floors, without changing the building's use or occupancy.
This permit was issued on August 12, 2026, with an estimated project cost of $30,600 for the sprinkler work. CMP PIPING INC is the contractor responsible for these installations.
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