List of Starbucks Stores in Prosser, WA Outlet Note Regular Brands Starbucks Washington Prosser Rating 4.8 based on 59 votes Official Website http://www.starbucks.com/ Products Salads Drinks Sandwiches NameAddressPhone Name/Address/Phone Starbucks outlet - Prosser 10 Merlot Drive, A (509) 786-2085 People Also Viewed