Shopping Walnut Creek Sports Authority Rebranding almost Complete – Grand Opening on April 5th in Downtown Walnut Creek April 1, 2014 8:30 am 1675 Olympic Blvd, Walnut Creek The S. A. Elite rebranding to Sports Authority in downtown Walnut Creek in Plaza Escuela is almost complete with the official grand opening on April 5th. I stopped by recently and there is a lot more variety. Previous Post Behind the Scenes of The Real Housewives of Walnut Creek: The Musical at Walnut Creek Library on Apr 2nd Next Post Tender Greens Hires New Chef in Walnut Creek