It's all about cleanliness at Diamond Bar Hand Car Wash. Cars roll in looking ready for the junkyard and leave looking like they just came from the showroom. Everything's done by hand here, with no machines touching your car's exterior. Interiors can be cleaned as well. Diamond Bar Hand Car Wash offers multiple levels of service, from a basic wash up to the deluxe "Diamond Wash." There are also different levels of interior detailing available. In addition to cars, Diamond Bar Hand Car Wash also cleans RVs, boats and trucks. No appointment is necessary.