Prime Group Realty Trust of Chicago announced recently the completion of the base building redevelopment of landmark building 330 North Wabash, a 52-story mixed-use tower designed by renowned architect Mies van der Rohe.

PGRT’s redevelopment of 330 North Wabash focused on enhancing Mies’ original structure by modernizing the base building, operational systems and select common areas. This included the restoration of the building’s intricate and expansive granite and Italian travertine lobby, one of the largest in Chicago.