Restaurants Walnut Creek Sinceretea Closes in Downtown Walnut Creek August 30, 2021 8:30 am 1506 N. Main St, Walnut Creek Boba café Sinceretea, which opened a couple of years ago in downtown Walnut Creek, has closed. Their San Jose location remains open. I enjoyed their red velvet flavored egg puffs. Previous Post Question of the Day - Are you Going to Vote in the California Gubernatorial Recall Election? Next Post Talbots Reopens in New Plaza Escuela Spot in Downtown Walnut Creek