Casatelli Marble & Tiles purchased the building at 114 Connecticut Ave. in Norwalk, CT, from Supply 1 Corp. The 19,000-square-foot building sold for $2 million, or $105 a square foot. The company sought to expand its storage space, while retaining the convenience of a Norwalk location. Comprised of 18,000 square feet of warehouse space and 1,000 square feet of office space, the building sits on .9 acres of land and offers an outdoor storage yard, loading dock and overhead door.