The Lyon Park Historic District is a national historic district and upper-class neighborhood located in Arlington County, Virginia. It contains 1,165 contributing buildings and 1 contributing site in a residential neighborhood in North Arlington. The area was platted between 1919 and 1951. The dwelling styles include a variety of architectural styles, ranging from …The Lyon Park Historic District is a national historic district and upper-class neighborhood located in Arlington County, Virginia. It contains 1,165 contributing buildings and 1 contributing site in a residential neighborhood in North Arlington. The area was platted between 1919 and 1951. The dwelling styles include a variety of architectural styles, ranging from Craftsman-style bungalows dating from the 1920s to Colonial Revival-style buildings dating from the 1930s and 1940s. A number of Queen Anne style dwellings erected prior to the platting of Lyon Park are also present. It was developed by Frank Lyon.