Find out why our clients love us. Call (703)765-0300.Mt. Zephyr is a community of single-family residences in Fairfax County at Mount Vernon VA. Mt. Zephyr is located just off Rt. 1 (Richmond Highway), near Engleside. Homes here generally have larger lots and solid 1960's construction. Mount Zephyr is in Fairfax County VA. Homes here have easy access to Fort Belvoir, Mount Vernon, Huntington Metro and Alexandria VA. The detached homes in the Mount Zephyr area of Mount Vernon are a great fit for families. The sturdily built 1960's properties come with large outside areas, and if that is still not enough space there is ample parkland nearby. There are several parks in the area including Mt.Vernon Community Park, Mt. Zephyr Park, Mt. Vernon Manor Park and Woodlawn Park.