Best Mobile Auto Detailing in Diamond Bar, CA

“Had my Scion XB detailed today, David, the owner and his assistant did a great job on my vehicle, super polished, clay bar wax, interior, detail work, the whole 9 yards, I'll be using them in the future (I'm in Norco) -- great communication an...”

“He was so accommodating, honest (I asked for things, he said he'd do it if i really wanted him to, but he thought it wasn't necessary [not to many people like that in this world]) and did and excellent job!”

“Wow I called around for some quotes and found Josh and called him, I told him about some of quotes I got and he matched them for a detail for my river boat I have a big deck boat and he and a fellow detailer took their time and did it right the 1st ...”

“The scheduling and communication was easy, they showed up early, very professional and accommodating, did an amazing job detailing my husbands F-350 King Ranch, and very affordable.”

“I don't think I will have the engine cleaned again but I guess I could park in a lot and leave my hood up so everyone could see how lovely it looks😊.”

“Right away was able to get a quote and i was able to take some before and after photos because my 2022 Honda Civic was horribly dirty but dannnggg looks like its brand new again!”

“Mike was very professional and very helpful in assisting me in finding out what I needed to have done so that I could see the results I was wanting to achieve.”

“Thank you for making my ride sparkle look awesome smell amazing, so so happy!”

“4 Star mobile detailing was amazing my car look like new after they were done I would recommend 4 Star to anyone for their car it's great for the upkeep at a great price”