Harrison Street Sells 81,522-SF Medical Office Building in Oak Brook, Illinois
Harrison Street has sold Oak Brook Commons, an 81,522-square-foot Class A medical office building located in Oak Brook, Illinois, the firm announced June 16, 2026.
The seven-story, purpose-built facility was delivered in 2023 and is fully leased to one of the region's leading healthcare systems, which uses the property to provide a broad range of outpatient services. Financial terms of the transaction were not disclosed.
Property Details
Oak Brook Commons was designed to support outpatient care delivery and features flexible clinical space, structured parking, and a modern patient-centered design. The building was developed as a build-to-suit facility for its healthcare tenant.
"Oak Brook Commons exemplifies the type of high-quality, strategically located healthcare facility that has been a focus of our investment approach since inception," said Ben Mohns, Global Head of Asset Management – Real Estate at Harrison Street Asset Management. "By developing a high-quality, build-to-suit medical office facility for a leading health system, we helped create a space for them to deliver exceptional patient care while also driving liquidity for our investors."
Harrison Street's Healthcare Portfolio
According to the firm, Harrison Street Asset Management has acquired 392 healthcare delivery properties across North America since its inception, representing a total investment of approximately $9.8 billion. The firm states it focuses on properties with leading design, technology, and energy standards, often working directly with health systems on healthcare infrastructure projects.
Harrison Street Asset Management is headquartered in Chicago, Toronto, and London and manages approximately $109 billion in assets under management across real estate, infrastructure, and credit strategies. The firm operates offices across North America, Europe, Asia, and the Middle East and serves more than 1,100 institutional investors and over 300 registered investment advisors.
About the Transaction
The buyer of Oak Brook Commons was not identified in the announcement. The sale represents a disposition from Harrison Street Asset Management's real estate portfolio. No sale price, cap rate, or financing details were disclosed.