100% ENERGY STAR homes + more* - results in up to 27% in energy savings , Convenient to Prince William Parkway, connecting you to I-66 and I-95 along with Route 28 giving easy access to the Dulles Corridor. , Less than ten minutes from two VRE stations , Near Historic Old Manassas and its restaurants, shopping and outdoor activities , Just over 20 miles to Fort Belvoir and Quantico Marine Base , New homes for sale in Manassas, Virginia range in square footage from 2,093 to 2,967 sq. ft. .