Welcome to MC Tires! We are a family-run tire store in San Marcos, CA offering tire services for all vehicles from cars and SUVs to semis and campers. We provide repair and replacement for 18-wheeler tires up to 22.5 inches, and we will give you the best possible price for your budget. Our shop is open every day, so you are welcome to schedule an appointment or just walk in! Our team is professional, quick, and ready to help you get back on the road. Schedule your appointment or stop by today!