Snohomish County Washington (Historic Districts) has 6 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Naval Auxiliary Air Station--Arlington and Snohomish Historic District, Darrington Ranger Station, Rucker Hill Historic District and Swalwell Block and Adjoining Commercial Buildings.
Some of the country's most noteable architects helped create the Snohomish County places including Osberg Company, Emil deNeuf, Charles Spreistersbach and Heide & Hove. Prominent architectural styles found in Snohomish Country are Bungalow/Craftsman, Classical Revival and Early Commercial.