Superior Court of Tuolumne in Superior court Here are all of the Superior court located in the Tuolumne County. Tuolumne County Superior Court – Branch Location60 North Washington Street, Sonora, CA 95370Phone: 209-533-5563Fax: 209-533-5581 Tuolumne County Superior Court – Historic Courthouse41 West Yaney Avenue, Sonora, CA 95370Phone: 209-533-5555Fax: 209-533-6616