County of Tuolumne Branch Location60 North Washington Street, Sonora, CA, 95370
County of Tuolumne Branch Location is located in Tuolumne County at 60 North Washington Street, Sonora, CA 95370. The mailing address is P.O. Box 1460, Sonora, CA 95370. The phone number is (209) 532-5671.
The Tuolumne County Branch of the California State Library is open Monday through Friday from 8:00 a.m. to 5:00 p.m., and on Saturday from 9:00 a.m. to 12:00 p.m. The Tuolumne County Branch is closed on Sundays and all State of California holidays.