Carriage House Car Wash is your Neighborhood Car Wash in Mariemont Ohio. We provide a premier car wash experience that is accessible 24/7/365. Use our mobile application to: • Join our Unlimited Wash Club - pay one low monthly fee to wash when you want! • Loyalty Rewards: earn points for each purchase you make, and earn a FREE wash or other discounts! • Buy washes directly through the app • Send a wash to a family member or friend. Download the Carriage House Car Wash app today and get on your way to a clean and shiny