By anynearme, 20 October, 2022 Number of Міster Car Wash stores in the United States in 2022 There are 442 Mr Car Wash stores in the United States as of October 19, 2022. The state with the most number of Mr Car Wash locations in the US is Florida, with 81 stores, which is about 18% of all Mister Car Wash stores in the US.