Supermarkets & Super Stores in Los Osos, CA Ralphs1240 Los Osos Valley RdLos Osos, CA, 934028055280112FoodFoodstoresGrocery StoreGrocery StoresRalphs Grocery StoreShoppingSupermarkets Super StoresVons1130 Los Osos Valley RdLos Osos, CA, 934028055281482FoodFoodstoresGrocery StoreGrocery StoresShoppingSupermarkets Super StoresVonsShow More