Peter DeWitt Bush (1818-1913), the second permanent resident of the village of Caro, donated this site for the county courthouse square in 1866. He and two other pioneer settlers then moved an old frame church to the site to serve as the county's first courthouse. In 1873, the county replaced the former church with a brick courthouse that served the community's needs until 1932, when the present Art Deco style structure was completed. Designed by Detroit architect William H. Kuni and built by Caro native Cecil M. Kelly, the courthouse is faced with Indiana limestone. Built on the same site as the old brick courthouse, this $180,000 structure was completely paid for when it was dedicated on January 24, 1933, through a one-mill, five-year tax levy.