Apex Systems Signs 15,378 SF Office Lease in Chicago’s River North

CHICAGO — Apex Systems will relocate its Chicago office from 600 W. Chicago Ave. to 448 N. LaSalle Drive. The technology and professional services firm has signed a long-term lease totaling 15,378 square feet for the entire top floor of the boutique office building. Designed by LJC Design & Engineering and completed in 2021, the 12-story property totals 174,599 square feet and is situated in the city’s River North submarket. The owner, National Real Estate Advisors, recently completed 32,000 squ