The Cumberland County Courthouse is a historic courthouse building located at Cumberland, Cumberland County, Virginia. It was built by Dabney Cosby, a master builder for Thomas Jefferson, in 1818. It is a brick, one-story, rectangular, gable-roofed courthouse. The building features the Tuscan order throughout and a tetrastyle portico. Also included are the contributing small, brick, one-story clerks office; the brick, two-story, gable-roofed former jail; and Confederate Civil War monument (1901).