Hours Of Operations 99 Cents Only Store California Costa Mesa 99 Cents Only Store Hours of Operation and Locations in Costa Mesa, CA 4.9 - 142 votes 1 Locations in Costa Mesa www.99only.com 99 Cents Only Store Hours Category: Grocery & Market 99 Cents Only Store - Costa Mesa, CA 92627 2180 Harbor Blvd(949) 645-8994 View Store Details Explore Costa MesaView More Apparel MarshallsTJ MaxxRoss Dress for LessKmartH & M Sports TargetNew BalanceBig 5 Sporting GoodsNikeSport Chalet Jewelry MarshallsSaks Fifth AvenueGucciChico'sJewelry Exchange Recommend For You 99 Cents Treasures A & A Candy Store A & B Window Treatment A & E Dollar Store A & G Mini Market A & H Cigarette & Convenience A & K Athletics A & P Food Store A & R Carpets A & S Convenience