Frank's Auto Service and Repair
“I highly recommend Frank's Auto Service for all your maintenance & repair needs.”
Best Truck Repair in Walnut Creek, CA
15 mechanics listed · 10 in Walnut Creek · 1 open weekends · 14 rated 4.5+
Data verified October 16, 2026
Roesbery Car Care
“We were able to schedule an appointment for the next day, online and then text (or call) to discuss issues and pick up.”
Alignment Services
“The only thing I wished I did while there was ask to go over the new alignment specs just to get an idea on what was done but otherwise am pleased with the results.”
Diablo Auto Specialists
“I went in for a pre-purchase inspection for a car, and got very thoughtful and detailed service.”
Gilmore's Auto Service
“Josh took the time to diagnose the issue and test-drive the car, then honestly recommended that I have it towed to the dealership because it is covered under warranty.”
Devil Mountain Diesel
“He's corrected work I had done at other “speciality” shops, he's fixed issues I created and he is now my go to guy for all things off road truck and diesel.”
Listed for drivers in and around Walnut Creek, CA, these 15 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.
Area overview: Walnut Creek, CA
Of the 15 mechanics we list here, 10 are in Walnut Creek itself and 5 come from towns including San Ramon (2, 11 mi), Concord (1, 5 mi) and Orinda (1, 8 mi). The mechanics on this page are rated from 4.0 to 5.0 across 3,635 reviews; 10 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (88%), quality (75%) and value (67%). The topics that come up most in reviews of the mechanics on this page are "communication", "fair" and "diagnosis". 1 is open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (3), fleet service (3), oil change (2), radiator repair (2) and smog check (2). 5 list staff certifications (ASE) and 9 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 74 years. 1 offers financing; 1 gives free estimates; 6 are family- or locally-owned and 9 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.
Why does this page include shops beyond Walnut Creek?
10 of the 15 shops sit inside Walnut Creek; the rest come from other towns. Truck shops need land, long approaches and highway access, so they end up on the edge of town. Drivers already plan around that.
Bazzone Motors Auto Repair
“Great experience here and glad to have found our new go to auto shop.”
Walnut Creek Autopros
“What really stood out to me was the honesty — what other shops might have taken advantage of, he didn't even charge me for, since it was literally just tightening a screw.”
German Autotech
“Very polite, business oriented, extremely knowledgeable.”
Rich's Auto Services
“I trust him with my vehicle, for tune ups, small jobs, and larger jobs.”
Costa Auto Care and Tire
“The work was done in a timely manner and the service is professional.”
Autowerks European
“Very reasonable compare to others and they have knowledge about exotic cars.”
Orinda Motors
“Jamie, Francisco and the entire Orinda team took great care of me when I needed new, hard to find parts for my car.”
Concord Auto Service
“Anthony is easy to work with and does a wonderful job prioritizing vehicle/customer needs.”
Autotech San Ramon
“As a regular, return customer, I highly recommend them.”
Why these companies made our list
What customers say about mechanics in and near Walnut Creek
- “I always work with Devil Mountain Diesel to repair and maintain my 6.0 diesel since their staff is very honest, thorough, and highly experienced.” — customer of Devil Mountain Diesel
- “The mechanic has been very helpful in getting my truck back on the road in a timely fashion.” — customer of Gilmore's Auto Service
- “They were sympathetic, professional and got my truck back to me quickly!” — customer of Costa Auto Care and Tire
- “I highly recommend Devil Mountain Diesel to anyone in need of diesel repairs or maintenance.” — customer of Devil Mountain Diesel
Excerpts from public reviews of the mechanics listed on this page.
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