Loading
Tristar Automotive in Santa Rosa, CA.

Meet the Owner

Tristar Automotive – Quality, Honesty, and Integrity You Can Trust

I’m Daniel Erdman, the proud new owner of Tristar Automotive, and I’m honored to continue Jim and Rick’s legacy of honest service, quality repairs, and integrity that this shop is known for. At Tristar, we don’t just fix cars—we build lasting relationships with our customers by providing transparent pricing, expert craftsmanship, and trustworthy advice. Whether your vehicle needs routine maintenance or major repairs, my team and I are here to ensure your vehicle is maintained, reliable, and running at its best.

Taking the wheel at Tristar Automotive means upholding the values that have made this shop a trusted name in Sonoma County. I believe in treating every customer like family, offering straightforward recommendations, and standing behind the work we do. Whether you own one car or dozens, if you’re looking for an auto shop that puts your needs first, stop by or give us a call. I look forward to earning your trust and keeping you on the road with confidence!

Daniel Erdman is the new owner of Tristar Automotive

Meet the Service Manager

Tristar Automotive Welcomes Ken Stanfel – A Commitment to Integrity and Excellence

At Tristar Automotive, we believe that exceptional service starts with the right leadership. That’s why we’re excited to welcome Ken Stanfel as our new Service Manager! With 30 years of experience in the automotive industry, including decades as a service manager, Ken brings a deep understanding of customer care, expert repairs, and the importance of honesty and integrity – values that have defined Tristar for years.

Ken is dedicated to ensuring every customer receives transparent communication, quality repairs, and a stress-free experience. Whether you’re coming in for routine maintenance or complex diagnostics, his expertise and commitment to excellence will ensure your vehicle is in the best hands. Stop by Tristar Automotive and let Ken and our team show you what trusted, top-tier service looks like!

Ken Stafel is the new Service Manager at Tristar Automotive.

Meet the Founders

Bringing over 50 years of automotive service and repair knowledge to the table.

Jim Dadaos, owner at Tristar Automotive in Santa Rosa, CA.
Jim Dadaos
Founding Partner
ASE Certified Master Tech. Jim attended Carlmont High School, focusing upon a career in the automotive industry.
Rick Sanguinetti, owner at Tristar Automotive in Santa Rosa, CA.
Rick Sanguinetti
Founding Partner
45+ years experience in the automotive arena. GM & Ford master technician. Automotive technology instructor for over 30 years.

Schedule Service or Repair Now

Guaranteed Work by ASE Certified Technicians

Call: 707-571-8866

APPOINTMENT Contact Us
1