Wash N’ Run Katy – S Mason Rd 585 S Mason Rd, Katy, TX 77449 Driving Directions 281-359-6634 Store Hours Monday12:00 AM - 12:00 AMTuesday12:00 AM - 12:00 AMWednesday12:00 AM - 12:00 AMThursday12:00 AM - 12:00 AMFriday12:00 AM - 12:00 AMSaturday12:00 AM - 12:00 AMSunday12:00 AM - 12:00 AM