Benton County Oregon (Historic Districts) has 5 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Hull--Oakes Lumber Company and Oregon State University Historic District, Avery--Helm Historic District, College Hill West Historic District and North College Hill Historic District.
Some of the country's most noteable architects helped create the Benton County places including Ralph Hull, John V. Bennes, Charles Heckart, Peterson, Adolph and et al.. Prominent architectural styles found in Benton Country are Beaux Arts, Bungalow/Craftsman and Colonial Revival.