Washington County Georgia (Historic Districts) has 5 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Forest Grove, Church-Smith-Harris Street Historic District, North Harris Street Historic District, Sandersville Commercial and Industrial District and Warthen Historic District.
Some of the country's most noteable architects helped create the Washington County places including Charles E. Choate, Brantley, Greene and Renfroe, J.W. and Ellamae League. Prominent architectural styles found in Washington Country are Greek Revival, Queen Anne and Colonial Revival.