One Loudoun is one of William A. Hazel’s site development projects in Loudoun, VA, which was completed in 2020. One Loudoun is a 360-acre project consisting of 1,954 residential homes and 1.5 million square feet of office/retail, several restaurants, and a movie theater. The community is at the intersection of Route 7 and Loudoun County Parkway, providing easy access to major employment centers.
