The Hoover House, formally known as the Lou Henry Hoover House or the Lou Henry and Herbert Hoover House, is a historic house located on the campus of Stanford University in Stanford, California, United States. Completed in 1920, it is the former house of Herbert Hoover, 31st President of the United States, and his wife Lou Henry Hoover, who designed it. It is now the official home of the president of Stanford. In addition to its importance as a residence of the Hoovers, the house is a significant early example of the International Style of architecture. It was designated a National Historic Landmark in 1985.