 Frances Sortwell, the daughter of Alvin and Gertrude Sortwell, bequeathed the property to the Society for the Preservation of New England Antiquities (now Historic New England) in 1958.The property was designated a National Historic Landmark and listed on the National Register of Historic Places in 1970, and is a contributing property to the Wiscasset Historic District, listed in 1973.It is open seasonally June 1 - October 15 for tours; admission is charged, except for members of Historic New England.