The Carnegie Art Museum is a public art museum owned by the City of Oxnard, California in the building originally occupied by the Oxnard Public Library. The Neo-Classical building, located adjacent to Oxnard's Plaza Park, opened in 1907 as the Oxnard Public Library and was converted into an art museum in 1986. In July 1971, it became the first building in Ventura County and the first Carnegie library in California to be listed on the National Register of Historic Places.