The property is now a historic house museum which is owned and operated by Historic New England. Collections of the couple over the years can be found at many museums, including the Maryland Center for History and Culture in Baltimore and the American Folk Art Museum in Manhattan. The couple received the inaugural Henry Francis du Pont Award from the Winterthur Museum, Garden and Library in 1984.
Then in 1937 they purchased a 165-acre property in Essex, Massachusetts, carefully restoring the 1738 farmhouse, preserving original finishes while documenting their work. They named it Cogswell's Grant, after John Cogswell, the original 1636 land receipt. The couple collected and decorated their house with various "country arts" until 1984 when Mrs. Little transferred property ownership to the Society for the Preservation of New England Antiquities, reserving life tenancy rights for herself and her family.