Sullivan County Tennessee (Historic Districts) has 14 places on the National Register of Historic Places including 2 places of National significance and 1 place of Statewide significance. Significant places include Boatyard Historic District, Long Island of the Holston and Blountville Historic District (Boundary Increase, Decrease), Blountville Historic District and Blountville Historic District (Boundary Increase, Decrease).
The famous person Gen. Joseph Martin is associated with one of more of the Sullivan County historic places.
Some of the country's most noteable architects helped create the Sullivan County places including James Knox Taylor, John (Jake) Miller, L. A. Hass, Clarence B. Keaton and Clarence Kearfott. Prominent architectural styles found in Sullivan Country are Beaux Arts, Early Commercial and Queen Anne.