My friend and I were in San Francisco's Japantown a few weeks ago and we noticed Kissako Tea, a traditional Japanese dessert and tea spot set up on the lower floor of the Kinokuniya building across from Juban. It looked very authentic; a place where you can get matcha and different types of wagashi (Japanese traditional pastries) and even had one of those typical benches you see at the traditional outdoor kissaten in Kyoto. We had already had coffee and sweets at Tan Tan upstairs so we didn't try Kissako, but I hope to go there the next time I'm in Japantown.
1581 Webster St. #195
San Francisco Japantown