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    Smog Stop

    4.8 (93 reviews)
    Open 9:00 am - 12:00 pm

    Services - Smog Stop

    Smog check

    Smog Stop Photos

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    Recommended Reviews - Smog Stop

    Your trust is our priority, so businesses can't pay to alter or remove their reviews. Learn more about reviews.
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    4 years ago

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    8 years ago

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    7 years ago

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    7 years ago

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    14 years ago

    Business owner information

    Photo of Travis S.

    Travis S.

    Thank you, and we appreciate the feedback -Smog Stop

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    7 years ago

    Smog Stop always takes care of us quickly and with a friendly smile! Highly recommend them for your smog clearance needs!

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    7 years ago

    Fast and friendly .Hassle free experience.Would recommend it friends and family.Great people.

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    7 years ago

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    12 years ago

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    8 years ago

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    8 years ago

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    8 years ago

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    9 years ago

    Didn't have a appointment and they still took my SUV had me in and out great service will be bringing all my vehicles here in the future

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    8 years ago

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    6 years ago

    Great place. Friendly, good rates, always able to get in. They have serviced our trucks, RV and van. Highly recommend.

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    8 years ago

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    9 years ago

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    8 years ago

    Small family owned shop, been in Corona forever. Family was fast, nice, and fair. I will definitely be going again.

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    9 years ago

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    9 years ago

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    Photo of K P.
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    7 years ago

    Every thing you want from a Smog place. Honest. Friendly. Clean. And most importantly... QUICK! Highly recommend.

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    17 years ago

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    16 years ago

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    12 years ago

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    10 years ago

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    12 years ago

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    7 years ago

    I came here after another shop failed to smog my car correctly. Save yourself the time and headache and go here to make sure its done right.

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    8 years ago

    Great service. In. Out. Professional. Quality work. I will use them every time I need a smog

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    7 years ago

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    13 years ago

    Great bunch of people. Very honest and a great value. I will be going there from now on.

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    13 years ago

    Fast, efficient, and friendly service. Genuine and down to earth people. Family run. Will be back. Highly recommend.

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    12 years ago

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    11 years ago

    They had great service and were fast. I needed a smog for my registration and they had a great deal.

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    11 years ago

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    7 years ago

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    11 years ago

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    9 years ago

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    12 years ago

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    8 years ago

    Another year, another couple of Smog Checks with zero issues. I keep coming back because they keep doing everything right.

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    10 years ago

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    Page 2 of 3

    Ask the Community - Smog Stop

    Review Highlights - Smog Stop

    Travis and his mother (front desk) were very personal and allowed the "Ca Smog nuisance" to be a little more human.

    Mentioned in 29 reviews

    Read more highlights

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    US Smog Check

    US Smog Check

    (789 reviews)

    Even though I live 20 min away, I always come here for smog checks because of the team and the…read moreclean, spacious location. It's calm and organized--unlike a lot of other places. Today was no different. I recently bought a used car and needed a smog check for the title transfer. Thankfully, Daren took the time to double-check and realized the vehicle had already been smogged when the previous owner renewed the registration in February. Since smog inspections are valid for 90 days, I was all set! If it weren't for his attention to detail, I would have spent money unnecessarily. Thank you to Daren and the entire team--you guys are the best!

    I typically rely on Yelp to vet a business's reputation before visiting, and in hindsight, I regret…read morenot reviewing the feedback for this establishment sooner. I visited this location for a smog check, only to experience the exact issues previously highlighted by other customers. If you filter the one-star reviews for "front desk" or "Nicole," a clear and troubling pattern emerges. It is disappointing to confirm that these accounts are accurate. The issues I encountered include: Unprofessional Conduct: Nicole was dismissive and remarkably rude. When I attempted to discuss the service, she was entirely unwilling to listen or provide basic professional courtesy. Pricing Discrepancies: There was a blatant refusal to honor the original price quoted. She insisted on overcharging me, disregarding the initial agreement. What is most concerning is that the owner, Julie, appears to be aware of these recurring complaints, as she frequently responds to negative feedback. However, the fact that these specific behavioral and billing issues persist suggests a lack of corrective action. As a consumer, I believe a business is only as good as its management's willingness to address systemic problems. Based on my experience and the history of similar complaints, this business really got some serious problem. Also, if you live around the Chino / Chino Hills area and see this Nicole lady, please avoid her at all cost.

    Crescent Auto Repair Smog Check - Got quote from Yelp in less than 5min. had my car here about 20 mins later. Got smoke check in 10 mins. Highly recommend!

    Crescent Auto Repair Smog Check

    (115 reviews)

    One of the greatest mechanical shops of all time in my opinion. Paul and his crew are probably one…read moreof the most helpful shops I will visit in my lifetime. From getting me practically stranded clueless to up and running. The prices charged by the shop are also some of the fairest in the area. If you're looking to get your car serviced, id definitely recommend taking it to Crescent Auto.

    Went to smog test my 1995 Jeep Wrangler at another smog place and it failed. They advised to go to…read morea smog certified repair shop, and looked on Yelp and found Crescent Auto. Called on a Friday at noon and spoke with Jeff and told him my Jeep didn't pass smog, and what the fees were to diagnose the problem. He let me know the fees and said we could bring it down today and he would probably have it over the weekend to see what was going on. Dropped it off right away, it's only a couple miles from my house, and Jeff called with an update on Monday and said what the problem was and how much it would be to fix it. I approved the charges and he also said they could do the smog test and certification too. Great! I don't have to take it to another place to see if it passes, Crescent Auto will do it all! Got the Jeep back, Jeff explained everything and gave us the detailed invoice with the smog certificate and off we went. My husband usually works on our vehicles, so this was a first for us to take the Jeep anywhere and it was definitely in good hands with Jeff and Crescent Auto. The communication was clear and we were updated often. I appreciate you Jeff and am so happy we found you and your shop!

    Smog Stop - smog_check_stations - Updated June 2026

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