Shopping Walnut Creek Brookstone Closes in Broadway Plaza December 31, 2013 8:30 am Brookstone has closed in Broadway Plaza in downtown Walnut Creek. According to a sign in the window the closest location is in the Sunvalley mall in Concord. Closing sign: Broadway Plaza Previous Post Create Your Own Potting Station at Ruth Bancroft Garden on Jan 11th Next Post Dear BtCreek – New Year's Eve Celebrations?