Hours Of Operations Radio Shack California Castro Valley Radio Shack Hours of Operation and Locations in Castro Valley, CA 4.7 - 183 votes 1 Locations in Castro Valley www.radioshack.com Radio Shack Hours Category: Electronics Radio Shack - Castro Valley, CA 94546 20566 REDWOOD RD(510) 886-7100 View Store Details Explore Castro ValleyView More Apparel TJ MaxxRoss Dress for LessCarter'sCatherinesTalbots Sports VansJazzercise24 Hour FitnessAt LastGolfland Recommend For You Reebok Fresh Market Ben Bridge Jeweler Destination Maternity Shoe City Don Roberto Jewelers Destination XL Arden B Traffic Shoes Farmers Home Furniture