Mechanic Advisor

Boulder Auto Service

Steve said "Oil change was done while I waited. No problems...."
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Boulder Auto Service Hours

Cash, Debit, Discover, Mastercard, Most Fleets Accepted, Visa
  • Monday 8:30 AM - 5:00 pm PM
  • Tuesday 8:30 AM - 5:00 pm PM
  • Wednesday 8:30 AM - 5:00 PM
  • Thursday 8:30 AM - 5:00 PM
  • Friday 8:30 AM - 5:00 PM
  • Saturday 9:00 AM - 1:00 PM
  • Sunday (Closed)

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Business Information

Business Name: Boulder Auto Service

Address: 5729 Arapahoe Ave

Phone Number: (303) 442-8717

Email: not listed

Meet the Owner
  • Sarah Quillen
  • Title: President
  • Experience: 20 years



  • Sarah Quillen is the owner of Baseline Auto Service. She has owned and operated the auto repair business since 1999. Baseline Auto Service was located at 2830 Baseline Road for more than 20 years, and in April, 2010 moved to a fabulous new facility at 5729 Arapahoe Ave. The new building, located directly across the street from Flatirons Golf Course has doubled their shop size, and enabled them to offer new amenities, including a courtesy shuttle, and comfortable waiting area with television and free wi-fi.
  • Baseline Auto Service has been providing residents of Boulder (and beyond) with superior auto repair service for over 20 years. We pride ourselves on offering our customers quality auto repair, at a fair price, with customer service that will exceed your expectations. Integrity and honesty are values that you can count on when dealing with us, and all our work is guaranteed for 12 months, or 12,000 miles, whichever comes first.