524 S. Main St ADDRESS: 524 S Main St. Ann Arbor, MI 48104 17,600 S.F. of office space on Main Street in the heart of downtown with onsite parking. Sub-Lease available. Up to 18,000 sq ft (with 30 on-site parking spots). View Listing Inquiry Form Name* First Last Email* PhoneMessage*NameThis field is for validation purposes and should be left unchanged.