William’s Auto Care is committed to providing quality automotive repairs and service for American, European, and Asian vehicles.
Our shop is conveniently located on Sonoma Highway between the Sonoma Mission Inn & Spa and the Fruit Basket.
Contact us online or call (707) 996-1056 to request service. With every service, we perform a 50-point AAA inspection.

Sonoma Valley’s Trusted Auto Repair Shop since 1971

William’s Auto Care is Sonoma Valley’s oldest and largest independent, full-service auto repair center. Since 1971, we’ve been committed to providing our neighbors with quality automotive repairs, and today, we’re proud to say we’ve served multiple generations of Sonoma drivers. Our customers leave our shop completely confident their vehicles have received the best service and care possible—and that trust and satisfaction keeps them coming back.

Our Mission at William’s Auto Care

At William’s Auto Care, our mission is to continue building on 45 years of service to our community by working with our customers, and providing honest, value-minded automotive repairs and advice. Every day, we work to foster goodwill and friendship, and ultimately keep our customers on the road. With us, you can expect:

  • 50-point AAA inspection with every service
  • ASE certified technicians working on your vehicle
  • High quality parts
  • Friendly, attentive people to hear your concerns
  • Same day service whenever possible
  • Pick-up and drop-off services
  • Comfortable waiting area

Our biggest joy is turning out clean, finished vehicles for our customers that run well!


Proudly Serving Sonoma & Nearby Communities

As the oldest full-service auto repair shop in the area, we’ve seen the Sonoma Valley grow just as many of our customers have, and over the years, we’ve been deeply involved in the community. Our owner, William Murray, does a lot of photography for numerous organizations, including the Sonoma Rotary Club, the Native Sons of the Golden West, the Boys & Girls Club, the La Luz Latino support group, Teen Center, and the Sonoma Raceway. He was also chair of The Springs redevelopment. See his work at sonomaslife.com.

Call Williams’s Auto Care Today!

If you’re looking for quality auto repair in the Sonoma Valley, call William’s Auto Care or contact us online. You—and your car—will become part of a Sonoma tradition!

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Before you come to the shop, check out our specials on popular services, such as oil changes, diagnostics, smog inspection, and more.

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Our car care tips are here to help you save money, drive smart, and get the most out of your car or truck, right now and years into the future.