Stone Hedge is a historic estate at 222 Stone Hedge Road in Polk County, North Carolina, north of Tryon. The main house is a two story structure, built primarily out of uncoursed rusticated stone. The property, originally 250acre includes a single-story guesthouse with similar construction. The estate was built in 1935 by Thomas and Lillian Costa, and represents a distinctive architectural interpretation of North Carolina's mountain summer estates.The house was added to the National Register of Historic Places in 2015.