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D&K Auto Repair
“I like how they inform you digitally sent from a portal or website what the issues were when the car is diagnosed along with photos of my car and parts and suggestions.”
Best Car Inspection & Emissions Testing in Antioch, CA
24 stations listed · 10 in Antioch · 11 open weekends · 22 rated 4.5+ · 2 show a license
Data verified October 16, 2026
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Auto Diagnostic & Repair
“Been back multiple times for service and not only do the perform great service but the over all customer service and amenities pick up and drop off service etc are exceptional...”
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A 1 Stop Smog
“Very friendly quick and fast they did a perfect job I'm keep coming here and also if you print out a coupon from their website you save a little on top.”
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Smog Guys
“Great service In-N-Out quickly all those guys that got great attitude always they give you the best customer service with with a good attitude in a few minutes you in and out”
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VIP Smog & DMV Services
“Very friendly owner, will help you out with your questions and concerns, very satisfied with work ethic as well”
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Trouble Shooters Mobile Diagnostic Services LLC
Listed for drivers in and around Antioch, CA, these 24 shops carry out emissions and inspection work. What each one says about its station license, hours and retest policy comes from its own website; ratings and quotes come from public reviews.
Area overview: Antioch, CA
Of the 24 stations we list here, 10 are in Antioch itself and 14 come from towns including Walnut Creek (7, 14 mi), Concord (5, 11 mi) and Brentwood (1, 5 mi). The stations on this page are rated from 4.0 to 5.0 across 4,334 reviews; 17 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (87%), quality (85%) and punctuality (79%). The topics that come up most in reviews of the stations on this page are "diagnosis", "price" and "fair". 11 are open on Saturdays. The services the stations on this page list most often on their websites are fleet services (2), oil change (2), scheduled maintenance (2) and smog check (2). 2 show a license on their websites; 9 list staff certifications (ASE) and 11 have a BBB rating of A or A+. 17 have ten or more years of experience, the longest 74 years. 2 offer financing; 6 are family- or locally-owned and 15 list coupons or special offers. We count these figures across the stations on this page; distances are straight-line, and hours and prices change, so confirm the details with the station before you visit.
Can I book a test online with shops listed for Antioch?
4 of the 24 shops here take bookings online. Some stations work on a queue instead, which is fine early in the month and painful at the end of it. If you can book, take the first slot of the day and you will be out before the line forms.
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Steves Kustoms & Restorations
“An artist 30 years can restore any thing and his custome work unsurpast”
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Antioch Convertibles & Auto
“I was supposed to bring my truck in a couple weeks ago but my headliner material got lost.”
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BAC Automotive
“I drive 45 minutes just to get to him as I have had countless mechanics fail me and make me leave the car at their shop for days at a time but Jimmy always finishes the same day with excellent results!”
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Accurate Automotive Services
“Fixed what was needed and got me back on the road the same day, and for a lot less than I thought it was going to cost me!”
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Star Smog
“It's hard to find a place who can test a classic vehicle and there were a few hiccups (on my end) but Rudy went above and beyond to help identify the issues so the car would pass.”
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Auto Electric and Fuel LLC
- Electrical
- Oil
- Diagnose
“Auto Electric and Fuel is my go to shop exclusively for over 13 years, their dedication and honesty to getting the job done right the 1st time, rates 5 Stars for service, repair, and diagnostics.”
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Roesbery Car Care
- Brakes
- Check Engine Light
- Oil
“My wife and I went here to get our motor mounts replaced a few months ago and they were great Mila at the front desk was so helpful and made us feel very comfortable, she was super friendly and really knew what she was talking about.”
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Central Automotive Service Center
- Fair
- Report
- Vehicle
“Really great service and especially as an out-of-towner to be treated so well really speaks to the superior character of the folks at Central Automotive.”
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San Ramon Valley Import Center
- Estimate
- Honest
- Job
“Since I was already there, I decided to take care of some overdue routine maintenance and some bigger repairs (bad bushings) that I've been putting off.”
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Acme Auto Repair
- Work
- Driving
- Price
“Ive been taking my cars there for years, ken is great he answers all you questions and lets you know whats up, they really know how to take care of you ,great place to go”
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Five Star Automotive
- Mechanic
- Truck
- Vehicles
“I've been going to five star automotive for a while and I always get excellent service my daughters also get their cars service and also share my opinion.”
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M Service
- Diagnosed
- Audi
- BMW
“M Service is always courteous, knowledgeable, and efficient, and I am grateful to have their expertise available to keep my BMW "the ultimate driving machine".”
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Brentwood Smog Express
“They have always been friendly and quick and the last time I took one of the vehicles there they pointed out small leak from an axle seal that I needed to get taken care of”
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Stress-Free Auto Care
- Oil
- Dealership
- Inspection
“The conveniences provided in the waiting area are not just appreciated but elevate the overall customer experience, making the wait feel less like a chore and more like a pause in a busy day.”
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Mekatron
- Prices
- Vehicle
“Honest and fair estimates, good explanations for what is needed and why, thorough, track every part in your vehicle and replace when it's time, good reminders for service, arrange for rental car when necessary, provide rides to BART nearby, provide ...”
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Oakmont Auto Care
- Oil
- Mechanic
- Vehicle
“I took my truck in Thursday and they were able to inspect and replace my rear tires, front brakes and perform an oil service on my truck; returning it to me the same day.”
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Alignment Services
- Tires
- Information
- Price
“I trust Chris the most of anyone and trust him with my current cars that I'm pretty passionate about- high performance Honda S2000, fancy German car, and my sizeable Toyota SUV.”
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Gordon's Smog Test & Lube Center
- Fair
- Price
- Nice Guy
“The only reason I am not giving 5 stars is because he changed a part of my vehicle without my consent and charged me for it when I went to pick up my vehicle.”
Why these companies made our list
What customers say about stations in and near Antioch
- “Smog Guys has the best prices, a clean waiting room, the employees are friendly, and the service is top notch.” — customer of Smog Guys
- “Always a professional, friendly, and even educational experience whenever we get our smog done here.” — customer of A 1 Stop Smog
- “I was very pleased with the walk in smog testing service — done within 15 minutes!” — customer of Star Smog
Excerpts from public reviews of the stations listed on this page.
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