Restaurants Concord T4 Opens in Clayton Valley Shopping Center in Concord August 16, 2018 2:00 pm Clayton Valley Shopping Center, Concord Thanks to a reader for sending word about the boba cafe T4 opening in a new Concord location at the Clayton Valley Shopping Center. Check out a list of their most popular boba flavors here. Clayton Valley Shopping CenterFeatured Previous Post Doll Face Permanent Cosmetics Opens in Orinda Theatre Square Next Post What is your Favorite Taproom?