New Home Construction in Maryland and West Virginia Manor House Builders is part of a family owned business that was founded in Hagerstown, MD. In the late 1970s, the President of MHB began his career in the commercial real estate development business. Our communities have expanded since the very first neighborhood, Cross Creek, located in Hagerstown, MD. Today, our communities include Carriage Hill and Elmwood Farm in Maryland, and Amberfield and Nestle Woods in West Virginia.