Hours Of Operations Key Systems California San Dimas 91773 Key Systems Hours of Operation and Location in San Dimas, CA 91773 4.5 - 32 votes 936 N Amelia Ave, San Dimas, CA 91773 (909) 305-9630 Get Directions Key Systems Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore San DimasView More Apparel CostcoTJ MaxxRoss Dress for LessStein MartCarhartt Sports CostcoTargetBig 5 Sporting GoodsMark Sports24 Hour Fitness Jewelry CostcoAvon Recommend For You Real Plus Solutions Incorporated Webs Webs Webs LLC Amy's Hallmark Brothers Market Carpet, Upholstery & Oriental Rugs Cleaners JM Services Lowe's Home Improvement Mark Sports Quicksilver