This company is very honest and very strong technical skills. They have experiences to check issues and fix them based on my description that came from Lexus dealer. They saved me more than $800 in previous estimate amount. I appreciate their good work experience very much!

Nice place for a smog check. Fast, reasonably priced, coupons enabled. You can set appointment and do not stick in the line

Fast professional friendly at a price lower than expected. This is the only place I will take my cars.

Always quality service at a reasonable price. Thanks

The best.Been taking my cars there for over a decade. From old clunkers to my midlife crisis car they never disappoint.Found them after been screwed over by dealership after dealership Toyota Jeep and Subaru. Never again (to be fair the Acura dealership is okay here but then they likely charge more).Dont expect fancy coffee station and nonsense. This is a place for dropping your car and getting it back perfect no bull.

I went for a smog check with a coupon but they said they wouldnt take it because I didnt print it out. Despite it being on my smartphone. What year is this 2002? Out of touch archaic bs. Went once will never go again.

I came for a smog check and liked a quick, professional service. Working on Saturdays is a plus. Pricing is very competitive. You can use online coupons. Recommend this shop.

High quality honest service and prices

I have all my vehicles served at Contra Costa Smog for over a decade now. The service is always fast and friendly. Andre is very professional, courteous and expedient. I will definitely be back again.

Smog check was quick and straight forward. No appointment required. About 15 minutes and I was on my way. Friendly, personal, courteous staff. Thanks.

I have used this service for years. When I first spoke to Andre I told him I wanted him to pretend I was his dear old mother and to treat me as such. He has done that and I am grateful.

Very good straight forward repair shop. I was able to smog two vehicles in the same afternoon. No attempt to upsell repairs that were not warranted. I would recommend this shop.

Andre and Daniel of Contra Costa Smog will give you the service and respect that you and your car deserve to stay running smoothly. Both being ASE Advanced Specialist licensed and certified, you can be sure they will know how to fix your car under any circumstances, and not shortchange you if something is wrong or needs fixing. They go above and beyond the normal call of duty to inspect, maintain, and service your car with a high level of respect and integrity for the work they are performing. And the best part about them: where other places will try and overcharge or fix, Andre and his team will tell you when something needs fixing or NOT! If you want a great smog and repair team, go visit Andre at Contra Costa Smog!

Bada bing 2 cars in 20 mins or so .... awesome

Needed to get car smog checked and was well taken care of here! Super close to the WC DMV and affordable as well. Would definitely recommend coming here for you car needs.

You can put them in your contacts. A treasure chest of mechanical expertise.

Called and got right in for a smog check timing was perfect during the virus situation . Very pleasant even wiped down the inside of my car steering wheel etc really appreciated it.I have been there several times and will continue to go to them.

Very friendly, cooperative atmosphere! The level of attention they put in each customer need is amazing. I would surely recommend him to anyone I know for sure. You can’t go wrong here.

Helpful, efficient and they have constantly exhibited professional and good caring attitude to all. I trust them and highly recommend them for their exceptional customer service. Thank you so much for everything you have done.

These guys do an amazing job and are very transparent about the whole process. My entire family comes here.

Honest people who know how to do business. My recommendation goes with them for their honesty and awesome customer service. Keep up the good work and expect a referral from me. Thank you.

Friendly, fast professional service, no need for an appointment. Also affordable, I searched for a coupon online before I went.

Master mechanic. I went to him after giving up on the dealers (my old neighbor recommend him - has been taking his antique car to him fir years). His reception room sucks. No coffee. Not even water cups. But he will fix your car property, for a reasonable price, and it will stay fixed.Update: water cups situation fixed :)My custom full moon roof for busted, dealer wanted an arm an a leg. They custom fabricated one for me for a fraction of the price and it works great. Seriously this place is a gem you must check with them before dropping a fortune at a dealership.PSNot a surprise considering they remanufacture classic cars - so rebuilibg a sliding roof is probably not a big deal for them :)

This is a great smog place they ones more helped me out. They gave me a discount for a coupon I took in and without hesitation took it from me. To get the discount they did not try to push any additional charges! That is great. Thanks Contra smog staff.

Desk person wasn’t wearing a mask and price was $20 more than advertised. I left and went to a company that charged the advertised price.

Been going to Contra Costa Smog since 2010 and have have only great things to say about the quality of service. Latest visit resulted in Brat researching an extended warranty number from the car manufacturer so the problem would be fixed for free. I spent nothing where I was expecting to spend hundreds for a cylinder issue. Prior to 2010 I had to shop around to filter out BS. These days, if YouTube cannot help with simple items, I take both of my cars to Contra Costa Smog for an honest quote and thorough job.

Simple, straightforward, economical service. They do much more than smog. Very professional and not at all gouging.

Great service, highly recommended and much appreciated!

Cost quote over phone was misleading; make your choice with this information I was not privy to: website offers $20 coupon with no caveats; price quoted over phone was $69. However, price posted on premises for automobile is about $88.75 plus about $8.95 for certificate. They offered choice of $69 including the certificate or $20 less than posted price for smog check and certificate, which would be about $78. Therefore I paid $20 more than expected. Aside from that, I had to wait more than 5 minutes for my presence to be acknowledged. The smog check was done quickly and appears to be satisfactory.

Was looking for SMOG Certification around Pacific Plaza and found this Smog Check station. It was quick (about 15 minutes) and with reasonable price. I finished registration renewal right after passing the test.

Couldnt ask for more from an indie mechanic. Brought my VW down for smog and the customer service I received was second to none. Brought the car back to CCS after having an engine light and some other general maintenance and experienced the same excellent customer service. For my VW they use Motul oil which is top of the line, very happy with that. When looking for a local mechanic I feel that honesty is key and Contra Costa Smog provides that 100% of the time.

I called this place on a Saturday at 3:43 p.m. asking if they could squeeze me in before they closed at 6 p.m. The person who answered the phone said No, were done for the day. I was a little confused because their listed hours said they closed at 6, so I asked him if they still closed at 6. His response? No. On Saturdays we close up when we get hot. VERBATIM. ARE YOU KIDDING? ITS SUMMER AND MID-AFTERNOON IN CONTRA COSTA COUNTY. Blatant lack of professionalism. I guess they dont appreciate potential paying customers.

I love these guys! Honest and real. Highly recommend!!

Very friendly service. In and out in 15 minutes for my star smog.

Excellent, friendly service at a reasonable price

Quick and easy professional service is what I was looking for and I got it here. Dont hesitate to come and get smogged here!

In and out in five minutes. Fair charge. Pleasant man.

Fast and friendly service.

Great service, reasonably priced

Great job. Quick and easy!

As posted on Yelp, here is my story:I took my Chevy G20 Van to get a smog check at Contra Costa Smog on April 6th, 2010. I was forced to take it to a test-only or Gold Shield station, so I could not use my usual, trusted shop. I brought my van in at approximately 11:30am, and was quoted a price of $79.00 and told it would be done in an hour. At approximately 12:30pm, I received a call saying there would be an extra labor charge of $50 for removing the engine cover of the van, making the total cost for this smog check an exorbitant $129. I regretfully accepted this charge, thinking it would be common practice at any shop for this additional cost (which I later found was not the case). I was then told it would be anotherhour until the van was ready. At 2pm, an hour an a half later, I came over to the shop and it was nowhere near being finished. I was ignored by the owner and was not given any further information about when it would be done. At at little after 3pm I returned to the shop and waited another 10 or 15 minutes to find out the results of the test - it failed. They claimed it failed on the emissions section, and that a smoke test would need to be done to find the gas leak. I was not about to give this shop any more of my money for the repairs, so I took my van to my usual shop. This shop performed the smoke test, found no leak and also tested the evap system with the evap tester - it passedthe test, and cost me $85 to find out nothing was wrong. If theres nothing wrong, they cant repair it! The mechanic at this shop suggested that I take my van to another test only shop, get the certificate and return to Contra Costa Smog and demand my money back.Since my whole day on April 6th was wasted by that point, today, April 7th I took my van to another test only shop. It passed in about 45 minutes and at a total cost of $60 - needless to say there was no additional charge for removing the cover. I then returned to Contra Costa Smog to demand my money back, since by this point it had passed at 2 other shops. Also, in addition to the $126 I paid them, I had spent another $85 at my usual shop for them to tell me nothing was wrong, and $60 to actually get my smog certificate.The owner of Contra Costa Smog refused to give me any sort of refund, and said that I have to file a complaint with BAR. He then proceeded to tell me to, get the f*** out and called the police on me. Actually, he made a phony call to the police first which, of course, I did not believe. Then, when I continued to tell him to give me my money back, he looked up the real number to the police in the phone book and had an officer come down. I explained to the officer my situation and, of course, there was nothing he could or would do. He clearly was on the side of the shop, and gave me an attitude like I was crazy or erratic for even suggesting that the business had done any wrong.I am now hundreds of dollars in the hole and have spent hours of my time on this. I am a small business owner myself, and I cannot accept that any business (or human being) should get away with this kind of thievery. Contra Costa Smog needs to make some serious changes to their business practice, and I sincerely hope that this complaint helps illustrate their unprofessional and unacceptable service issues. Thank you for reading.

Cheats on customer by advertising with a 26 coupon and asking for twice when you arrive

This shop is a hidden gold nugget off the main road with direct access to the Contra Costa Canal Trail and short distance from the freeway.

Good, honest auto repair

The shop went the extra mile + to get my 87 F250.gas 460 to pass smog. :-) and fixed my front brakes.

Always helpful and efficient.

Best service in town.

Fast courteous service.

Knowledgeable and dependable.

Convenient, quick, thoughtful service

Wonderful service!

Got me in at the last minute.