What was permitted
This permit is for the installation of a sprinkler system as part of the 8th-floor interior renovation at 424 Madison Avenue, Manhattan. The renovation includes new offices, a pantry, a conference room, and bathrooms.
The permit was issued on March 18, 2026. EL-ROC CONTG OF BKLYN INC is the contractor responsible for the sprinkler system 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.