What was permitted
A new wet sprinkler system is being installed throughout the entire building at 402 Marion Street in Brooklyn's Ocean Hill neighborhood. This work is a subsequent step following a primary application.
The permit for this sprinkler system installation was issued on August 13, 2026, with an estimated project cost of $79,500. NESS MECHANICAL P & H INC is the contractor responsible for this safety upgrade.
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 Brooklyn, and lines up the right contractor. You approve; we handle the back-and-forth.