Chicago-based commercial real estate developer, owner and operator Glenstar, in a joint venture with a high-net-worth private investor, has acquired 500 W. Monroe, a 966,924-square-foot, Class-A office tower with a 1,300 stall parking garage in Chicago in an all-cash purchase.
Capitalizing on the market reset happening downtown, this transaction comes on the heels of Glenstar’s acquisition of 200 S. Wacker in early 2025 and continues the firm’s strategy of investing in high-quality, well-located buildings in Chicago’s West Loop via its all-cash ownership capital structure.
Glenstar will soon launch a hospitality-driven renovation at 500 W. Monroe designed to modernize and elevate the tenant experience. Plans call for a full lobby transformation followed by additional common area upgrades and the introduction of brand-new amenities. Furthermore, Glenstar plans to introduce Glenstar Connect, its signature app-based driven tenant engagement program, at the property in the coming months.
Built in 1992, 500 W. Monroe has long been a must-office destination for users seeking high visibility and scale in the epicenter of the West Loop. The 44-story building’s virtually column-free floor plates lend themselves to modern workplace design, while expansive windows provide sweeping skyline views and abundant natural light. The property’s connectivity is also a key draw, offering seamless access to the metro Chicago area. Located just steps from Union and Ogilvie train stations and with immediate entry to the Kennedy, Eisenhower, and Dan Ryan Expressways, 500 W. Monroe’s accessibility is a major advantage for companies seeking to attract and retain talent from the city and surrounding suburbs.
Today, 500 W. Monroe currently offers the largest contiguous block of space available in the West Loop at 572,000 square feet—a rare opportunity for a company to establish a true headquarters presence.
With the acquisition, Glenstar also assumes the asset and property manager role and has tapped CBRE’s Jason Houze, Greg Tait, and Aaron Schuster to oversee leasing.
This project marks Glenstar’s latest venture in the city alongside its 500 W. Monroe capital partner. The JV recently launched a $25 million transformation of 200 S. Wacker, which is scheduled for completion by the end of 2026 and underscores the firm’s continued confidence in the city’s office market.