Do you have a dirty car? Your Gattis Mister Car Wash is here to help! We are located at 1821 Gattis School Rd in Round Rock, Texas, near the corner of where Gattis School Rd and A.W. Grimes Blvd intersect. You’ll also find us close to Pizza Hut, Domino’s Pizza and Wells Fargo Bank. If you’re heading east on Gattis School Rd, our entrance will be on your right-hand side just before CVS. Choose from the many different exterior wash packages we have to offer and help yourself to our free vacuums. Don’t forget to check out our Unlimited Wash Club® program if you enjoy driving a clean car all the time!