Rock Spring Farm is a historic home located at Leesburg, Loudoun County, Virginia. The original section of the house was built about 1826, with wing and one-story addition built about 1906, and hyphen in 1980 to connect to the original brick kitchen. It consists of a 2+1⁄2-story, four bay, brick main block in the Federal style with a two-story rear ell and flanking wings. The house was updated near the turn of the 20th century with Colonial Revival style details. Also on the property are a contributing spring house, smokehouse, barn, dairy, silo, tractor shed, and stable.