Peet's Coffee & Tea signs deal with Golden State Warriors EMERYVILLE, Calif. & OAKLAND, Calif.--(BUSINESS WIRE)--For nearly 50 years, Peet’s Coffee and the Golden State Warriors have been known as “The Bay’s Coffee” and “The Bay’s Team” respectively. Now, the two local icons have teamed up to create a special coffee blend – Warriors Grounds – to celebrate their shared roots and fan base. Warriors Grounds, 10 oz. pre-ground bags, will be available tomorrow, April 15 through May 30 in all Bay Area Peet’s retail locations, local grocery stores and Peets.com. Also, five percent of Warriors Grounds’ proceeds will benefit the Warriors Community Foundation to support local underserved youth.