The Florence County Courthouse and Jail, built in 1889, is an historic complex of governmental buildings located at 501 Lake Street in Florence, Wisconsin. Designed by architect of Antigo in the Romanesque style, it was built of brick with local sandstone and blue limestone trim and terra cotta roofs. The courthouse cost $13,000 while the 3-cell jail building cost $4,000. On December 2, 1985, the complex was added to the National Register of Historic Places.