Events Calendar Display Cobblestone Auto Spa - Baseline Rd. & Signal Butte Rd. Share: Auto ServicesCar Wash Cobblestone Auto Spa - Baseline Rd. & Signal Butte Rd. Visit Website 1855 S. Signal Butte Rd. Mesa, AZ 85209 (480) 626-6000 About Map About Car Wash & Quick Lube: Monday - Saturday 7:30 am - 6:00 pm and Sundays - 8:00 am - 6:00 pm. Convenience market and gasoline, 24 hours a day, 7days a week. What's Nearby? Distance: 5 10 15 20 25 50 mi.