The Hay–Adams is a luxury hotel located at 800 16th Street NW in Washington, D.C. Lafayette Square and St. John's Episcopal Church, also known as the Church of the Presidents, are located across the street. The hotel is a contributing property to the Lafayette Square Historic District and a member of the Historic Hotels of America. The hotel occupies the site where the 1885 homes of John Hay and Henry Adams once stood at 16th and H Streets NW. In 1927, Harry Wardman bought the property and razed the homes.