Opened in 1977 by The Hahn Company and acquired in 1998 by Westfield America, Inc., a precursor of the Westfield Group, which renamed it "Westfield Shoppingtown Capital", dropping the "Shoppingtown" from the name in 2005. It has undergone a $50 million expansion and renovation, adding the "Promenade at Westfield Capital" with Borders Books and Music and Bed Bath & Beyond in August 2006. A 14-screen Century Theatres multiplex opened on May 25 2007.
Mervyn's closed its 99,924 sq ft (9,283.2 m2). store on December 31 2006, after a clearance sale. The 99,924 sq ft. has since been divided into smaller sections for lease to other retailers, such as Forever 21 which opened in August, 2010 and REI which opened in May 2011.
In October 2013, Westfield sold a controlling interest of several malls in the United States to Starwood Retail Partners, which included Capital Mall.