Washington County Tennessee (Historic Districts) has 11 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Jonesboro Historic District and Jonesborough Historic District (Boundary Increase), Bowers--Kirkpatrick Farmstead, Broylesville Historic District and Johnson City Commercial Historic District.
The famous person Adam Broyles Jr. is associated with one of more of the Washington County historic places.
Some of the country's most noteable architects helped create the Washington County places including D.R. Beeson. Prominent architectural styles found in Washington Country are Colonial Revival, Federal and Greek Revival.