One Campus Martius

One Campus Martius is a building located in downtown Detroit, Michigan. It began construction in 2000 and was finished in 2003. It has 17 floors in total, 15 above-ground, and 2 below-ground, and has 1,088,000 square feet of office space. The high-rise was built as an office building with a restaurant, retail units, space for Compuware and a fitness center, as well as an atrium. The building now has Quicken Loans, Microsoft, Meridian Health, Plante Moran and Compuware as its major tenants.

The building was constructed in the late-modernist architectural style, using glass, granite and limestone as its main materials. AIA Detroit's Urban Priorities Committee rated the building's entry as one of the top ten Detroit interiors.