Our real estate agents appreciate the opportunity to be of service. Thanks for considering us to get the job done.Southwood is located just off Old Mill Road in Southern Fairfax County in the Mount Vernon area. Many homes in Southwood have mature-trees and large lawns on quiet streets. These homes were built in the early 1970's but many have had significant renovations or improvements. Southwood is served by Washington Mill Elementary School, Whitman Middle School and Mount Vernon High School.