What was permitted
This permit pertains to alterations and extensions of the existing rubble stone foundation for a 5-story brick building. Foundation work is a critical component of structural integrity and building modifications.
The estimated cost for this foundation work at 421 Grand Avenue in Brooklyn's Clinton Hill neighborhood is $30,000. The permit was issued on August 10, 2026, with ACER CONSTRUCTION INC as the contractor.
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.