Site of Former Santa Ana Army Air Base in Costa Mesa. Diagram. UCI Libraries Design Services.
In 1953, the City of Costa Mesa was incorporated into Orange County. In June 1955, the former Santa Ana Army Air Base property was annexed to the City of Costa Mesa. Today, the site includes the O.C. Fairgrounds to the west, John Wayne Airport to the east, along with Costa Mesa City Hall, Orange Coast College, Pacific Amphitheater, Vanguard University, Air National Guard Station, and several residential and retail tracts.