The Lapeer County Courthouse is a county courthouse located on Courthouse Square along West Nepissing Street in the city of Lapeer in Lapeer County, Michigan. It was designated as a Michigan State Historic Site on September 17, 1957 and later added to the National Register of Historic Places on September 3, 1971. It was the first property in Lapeer County to be listed on either registry. The property is owned by the Lapeer County Historical Society and is open for tours during special events. It can also be rented.