The Pittock Mansion is a French Renaissance-style château in the West Hills of Portland, Oregon, United States. The mansion was originally built in 1914 as a private home for London-born Oregonian publisher Henry Pittock and his wife, Georgiana Burton Pittock. It is a 46-room estate built of Tenino Sandstone situated on 46 acres that is now owned by the city's Bureau of Parks and Recreation and open for touring.Modeled after Victorian and French Renaissance architecture, the forty-six room house is situated on an expanse in the West Hills that provides panoramic views of Downtown Portland. The building was added to the National Register of Historic Places in 1974.