Portsmouth County Virginia (Historic Districts) has 7 places on the National Register of Historic Places including 6 places of Statewide significance. Significant places include Craddock Historic District, Park View Historic District, Port Norfolk Historic District, Portsmouth Olde Towne Historic District and Portsmouth Olde Towne Historic District (Boundary Increase).
Some of the country's most noteable architects helped create the Portsmouth County places including U.S. Housing Corporation, Post,George B.,& Sons and Charles Cassell. Prominent architectural styles found in Portsmouth Country are Colonial Revival, Queen Anne and Bungalow/Craftsman.