Snohomish County Washington (Historic Districts) has 7 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, Naval Auxiliary Air Station, Arlington (Boundary Increase & Additional Documentation) and Rucker Hill Historic District.
Some of the country's most noteable architects helped create the Snohomish County places including Osberg Company, Heide & Hove, The Austin Co., Charles Spreistersbach and Emil deNeuf. Prominent architectural styles found in Snohomish Country are Bungalow/Craftsman, Classical Revival and Early Commercial.