Browse new home communities and new construction homes for sale in Union City, Georgia—complete with printable floor plans and more. Located in south Fulton County, this up-and-coming city boasts a beautiful setting with abundant trees, plus a convenient location with a short drive to hubs like Hartsfield-Jackson International Airport, downtown Atlanta and more. Union City residents also enjoy a variety of parks, shopping and dining. Explore all that we have to offer in Union City and find your dream home today!