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24 mechanics listed · 13 in Walnut Creek · 1 open weekends · 22 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Listed for drivers in and around Walnut Creek, CA, these 24 shops work on transmissions. What each one says about rebuilds, warranty terms and the brands it handles comes from its own website; ratings and quotes come from public reviews.
Of the 24 mechanics we list here, 13 are in Walnut Creek itself and 11 come from towns including Berkeley (4, 13 mi), Oakland (2, 12 mi) and Concord (1, 5 mi). The mechanics on this page are rated from 4.3 to 5.0 across 4,601 reviews; 17 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (95%), quality (88%) and punctuality (80%). 1 is open on Saturdays. The services the mechanics on this page list most often on their websites are clutch repair (3), engine repair (3), transmission repair (3), brake repair (2) and brake service (2). 1 shows a license on its website; 9 list staff certifications (ASE) and 15 have a BBB rating of A or A+. Domain records put 13 websites of the mechanics on this page at ten or more years old; the oldest dates from 1998. 5 offer financing; 2 give free estimates; 5 are family- or locally-owned and 14 list coupons or special offers. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Ten or more years in business is claimed by 20 of the 24 shops here. Rebuild quality is hands-on skill, and a shop that has been in one place a long time is easier to hold to a warranty. It is what their listings state, not a guarantee.
- “Derek has been very helpful and informative. He was very knowledgeable and provided me with beneficial facts about not only my torque converter but transmissions.” — customer of Aamco Transmissions & Total Car Care
- “Brought it back in and it was a seal that was fixed same day at no charge.” — customer of Main Street Auto Repair
- “John and Melissa are super friendly, always providing service with a smile.” — customer of Diablo Auto Specialists
- “They were able to calm my anxiety over the fear that I need a new transmission for my car.” — customer of Aamco Transmissions & Total Car Care
- “Great customer service. It was like my truck was the only vehicle in their shop.” — customer of Main Street Auto Repair
Excerpts from public reviews of the mechanics listed on this page.
