STUDIO Tex's Authentic Tattoo is located in a beautiful and relaxed private studio in the Mission District of San Francisco. It is an ideal environment for tattooing with a great view of the city. Welcome! 3150 18th St. (@ Treat St) Suite # 214 San Francisco, CA 94110 (415) 525-1484 By Appointment Only Directions: --The studio is located on 18th @ Treat St (between Folsom and Harrison) --The entrance is on Treat St , a little way down the block at the big red entry marked #100. At the keypad, enter the suite number #214. --This space is cash only please.