Full service residential and commercial real estate company based in Reston, Virginia with over 100 agents throughout the Was ... hington, DC area. The company handles home sales and rentals as well as commercial properties, land sales and real estate investments. National Realty has multiple popular websites that provide easy searching of homes for sale in Northern Virginia as well as information on demographics, schools, transportation and other useful information about the entire DC area. The company was founded in 2003 is owned and operated by Paul and Keith Hartke, brothers and brokers. National Realty is licensed in VA, DC and MD. read more