Restaurants Danville Cool Tea Bar Opens in Danville July 19, 2017 11:30 am 251 Hartz Ave, Danville A new boba cafe called Cool Tea Bar, with locations in San Francisco and San Jose has opened on Hartz Ave. in Danville. Check out their website here. As you can see in the photo below, tea is brewed fresh daily. Featured Previous Post Bliss Danville Opening September on Hartz Ave. Next Post Whose Life is it Anyway? An Improvised Comedy at Lesher Center in Walnut Creek July 20th - 22nd