300 S. University Avenue Office Space for Lease | The Cornerstone Building - Downtown Mt. Pleasant Position your business in one of downtown Mt. Pleasant's most established professional environments-The Cornerstone Building, home to respected legal and business offices. Ideally located on South University Avenue, just steps from the Isabella County Courthouse and Central Michigan University, this space offers both prestige and convenience for you and your clients. This lease opportunity includes a spacious, hard-walled private office, with the option to incorporate an additional cubicle workspace-perfect for support staff or collaborative use. Designed with flexibility in mind, the layout can be tailored to meet your business needs. Enjoy a true turnkey, all-inclusive gross lease, featuring access to well-appointed shared amenities, including: Professional reception and waiting area Two conference rooms for client meetings Law library Coffee station Kitchen and break room Three restrooms Cleaning services and supplies Utilities included Surround your business with other established professionals in a setting that reflects credibility, efficiency, and professionalism-all in the heart of downtown.