Trusted Repairs for All Vehicles
Proudly fixing Santa Rosa, CA’s cars, trucks, and more.
Expert Auto Repair Shop Nearby
Providing Professional Car Repair and Maintenance in Santa Rosa, CA and the Surrounding Areas
Located in the heart of Santa Rosa, CA, Transco Auto & Diesel Repair has been a trusted name in automotive service for over 60 years. Our shop on Santa Rosa Ave is easy to find and convenient to reach for drivers throughout Sonoma County and the surrounding region. Whether you need transmission repair, diesel service, engine work, or routine preventive maintenance, our ASE-certified technicians are ready to help you get back on the road with confidence. We proudly serve generations of families who have counted on us for honest, reliable repairs.
At Transco Auto & Diesel Repair, we make every visit as hassle-free as possible. We offer 24-hour key drop-off so you can bring your vehicle in on your schedule, and our complimentary pick-up and drop-off service within a 7-mile radius of the shop means you never have to worry about a ride. As a NAPA AutoCare Center, ATRA-certified shop, and AAA Approved Auto Repair facility, we hold ourselves to the highest standards in the industry. Drivers from across Sonoma County and beyond trust us to deliver quality workmanship and straightforward service every time.
- Bodega Bay
- Boyes Hot Springs
- Cloverdale
- Cotati
- El Verano
- Forestville
- Fulton
- Graton
- Guerneville
- Healdsburg
- Kenwood
- Larkfield-Wikiup
- Monte Rio
- Occidental
- Petaluma
- Rohnert Park












































