Old City Hall (St. Charles, Missouri)

Old City Hall, also known as the Market House, is a historic city hall located at St. Charles, St. Charles County, Missouri. It was built in 1832 as the Market House, and underwent alterations in 1886. It is a two-story, vernacular brick building on a rockfaced ashlar foundation. It features segmental arched openings, pilasters, and a mansard roof.

It was added to the National Register of Historic Places in 1980.