Welcome to Keller Bros. Auto, your source for auto repair in Littleton, CO that you can trust. For over 48 years, Keller Bros. has been one of the most awarded and recognized car repair shops in all of Colorado. Located in Littleton, CO, we are family-owned and locally operated. We service all makes and models, and with ASE Certified Master technicians on staff, you can be sure that your car will be fixed fast, the first time you bring it into our Littleton car repair shop. We also back up our work with a 3 year/36,000 mile warranty on almost all parts and labor! Keller Bros. is open Monday – Friday, 7 am to 6 pm. No need to schedule an appointment; give us a call, or bring it in anytime. Want to learn more about us? Visit our “Why Keller Bros” page to see how we’re different from other car repair shops.