List of Costco Stores in Santa Rosa, CA Outlet Note Regular Brands Costco California Santa Rosa Rating 4.7 based on 76 votes Official Website http://www.costco.com/ Products Handbags Clothing Furniture Jewelry Appliances Electronics Office Products NameAddressPhone Name/Address/Phone Costco outlet - Santa Rosa 1900 Santa Rosa Ave (707) 578-3775 People Also Viewed