CHICAGO — The McCormick Foundation has signed a 16,500-square-foot lease for space in the 2 million-square-foot Michigan Plaza. The property is located at 205 N. Michigan Ave. and 225 N. Michigan Ave. in Chicago. The new site will serve as the company’s corporate headquarters. Mark A. Buth and Kathleen Bertrand of Chicago-based MB Real Estate represented the owner. Cal Wessman, Lisa Konieckza and James Otto of CB Richard Ellis represented the McCormick Foundation.