Bash Autoworx Porsche
“They were fast, polite, and when there were issues with the install they had instant solutions.”
Best Mechanic Shops near Diamond Bar, CA
We have 3 technicians in Diamond Bar on file, and all of them are on this list, along with 12 from towns including Chino (3, 9 mi), Pomona (2, 5 mi) and Upland (2, 12 mi).
8 open weekends · 14 rated 4.5+ · 2 show a license
Data verified October 16, 2026
Auto Squad DB
“Took my BMW M4 COMP to get some work done and Matthew was able to get me in and out quick!”
Diamond Bar Auto Service & Body
“The boss is always so kind”
The Care Shop
“Just found out that this service center is one of the highest and most respected automotive mechanic shop in the industry by it's peers.”
Stress-Free Auto Care
“I dropped my car off around noon on a weekday and he had a member of his team give me a ride back to my workplace.”
Pomona Gear
“Sam at Pomona gear is very knowledgeable and professional he has a great personality and very friendly the work was done on time and no surprises on anything.”
Listed for drivers in and around Diamond Bar, CA, these 15 shops are general mechanics. What each one states about certifications, warranties and financing comes from its own website; ratings and quotes come from public reviews.
Area overview: Diamond Bar, CA
The 15 technicians on this page are rated from 4.4 to 4.9 across 3,400 reviews; 14 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "honest" and "communication". 8 are open on Saturdays. The services the technicians on this page list most often on their websites are alignments (2), brake repair (2) and diagnostics (2). 2 show a license on their websites; 2 list staff certifications (ASE) and 11 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 37 years. 1 offers financing; 3 give free estimates; 6 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 13 of the technicians on this page; 10 publish a contact page; 8 list a public email and 5 take bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Why are some shops on this page not in Diamond Bar?
3 of the 15 shops are located in Diamond Bar; the rest come from other towns within 15 mi. Distances are straight-line.
Domestic Diesel & Auto Service
“Diagnostics is very thorough, they dont just smack parts on it till they get it right.”
Alonso's Auto Repair
“Staff is cordial, the owner and his wife are great people.”
小李修車廠 KB Motor
“The service here is really good👍It's my first time here and I feel a sense of happiness.”
Lupe's Auto
“We have gone to Lupe's Auto Repair several, several times and the work that has been done is always fantastic!”
Green's Auto Tech
“I am always totally satisfied and they are so easy to work with”
North El Monte Automotive
“Hank is the best mechanic in El Monte!”
Pomona Tire Pros Repair Shop
“Excellent service got all 4 tires for my car.”
R & N Complete Auto Repair
“He's very professional and kind, and my car is returned in tiptop shape.”
McBride's RV Service & Paint
“All the Insurance problems handled immediately and all work is inspected before your vehicle is released to make sure you are satisfied with the quality and finish”
Why these companies made our list
What customers say about technicians near Diamond Bar
- “Great service and honest pricing. The team diagnosed the issues quickly, explained everything clearly, and got my car fixed on time.” — customer of Auto Squad DB
- “I highly recommend this place. Mechanics are professional and know what they are doing.” — customer of Bash Autoworx Porsche
- “I came over for a diagnostic after some concerns about a potential leak/dying battery, and when I rolled up they helped me out basically immediately.” — customer of Diamond Bar Auto Service & Body
- “Fast, efficient and smooth. Got me in and out in a great timely manner for my oil change.” — customer of R & N Complete Auto Repair
- “I wouldn’t hesitate to recommend Sam at Pomona Gear to anyone looking for a trustworthy and knowledgeable mechanic.” — customer of Pomona Gear
Excerpts from public reviews of the technicians listed on this page.
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Mechanic Shops near Diamond Bar
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