Car Wash Scottsdale Arizona Call 480-596-0689 For Specials. Cobblestone is the undisputed leader in the car wash industry in Phoenix, Az. Cobblestone Auto Spas are modern and up to date in both appearance and operation. We use the best equipment and products available. We also use the best computer cashiering and tracking system in the industry, making it easy for our customers to do business with us. In addition to providing a great car wash experience, we have a full service detail center, an express lube/service center, and a full service convenience store available, as well as windshield repair and replacement to enhance our customers’ total Auto Spa experience. Cobblestone Car Wash Scottsdale Arizona.