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    Ripon Smog

    4.4 (66 reviews)
    Open 9:00 am - 5:00 pm
    Updated 1 week ago

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    1 month ago

    Been given the runaround at other smog shops.. Ripon smog is thoroughly knowledgeable and professional. Best smog shop around!

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    2 months ago

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    6 months ago

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    3 months ago

    Love this place! You just make an appointment you get in and out really quickly, is a good price, and they're friendly

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    3 months ago

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    8 months ago

    Been smogging here for years and I've never been disappointed. They are helpful, fair, and fast.

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    5 years ago

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    8 years ago

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    3 years ago

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    4 years ago

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    7 years ago

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    6 years ago

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    6 years ago

    Love how you can pay for your registration and get your smog done at the same time. Great customer service as well.

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    4 years ago

    I've been taking my vehicles here since they opened 10 years ago. Always fast and friendly service.

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    5 years ago

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    8 years ago

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    8 years ago

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    6 years ago

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    9 years ago

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    11 years ago

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    5 years ago

    I dropped off my 99' Silverado and went for a walk down to the river. The staff was nice, and I promptly got a call that my truck was ready.

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    8 years ago

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    7 years ago

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    10 years ago

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    5 years ago

    office staff is very professional and super sweet! Definitely will be recommending this place to all my friend!

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    11 years ago

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    8 years ago

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    8 years ago

    Quick and easy service and they took care of everything I needed. They have good coupons for smogs if you look out for them.

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    8 years ago

    Excellent service and friendly staff. Great price too! I didn't have to wait for my smog. Owner is a great caring kind person.

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    14 years ago

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    12 years ago

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    13 years ago

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    13 years ago

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    13 years ago

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    14 years ago

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    9 years ago

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    Page 1 of 2

    Ask the Community - Ripon Smog

    Review Highlights - Ripon Smog

    I just moved from out of town and called Nick at Ripon Smog and he stayed late and waited for me on a holiday weekend.

    Mentioned in 7 reviews

    Read more highlights

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    Petersen Smog & Automotive - Office

    Petersen Smog & Automotive

    (12 reviews)

    Evelyn is amazing! Loved the customer service here, it's so hard to get great service these days!…read more We broke the headlight connector trying to change a headlight the morning of my daughter's driving test. Her test was at 10am and we made it to the shop just after 8am. They had it fixed just in time to get her to her appointment. Thank you for squeezing us in, we will definitely be back for more services!

    I'm not sure who I spoke with throughout this entire experience, but the communication was lacking…read moreand poor and that's putting it kindly. They came recommended by Les Schwab. Normally I take all my vehicles to Adam at Ripon Auto, but wanted to give another business in town a try. So I went. My vehicle was leaking oil. They kept my car for 7 days. 3 days after having my vehicle I heard nothing. No update, no timeline, nothing. I called several times and left messages, throughout that time and managed to get minimal responses after 3 days during which they provided me with a timeline, which ultimately ended up being inaccurate. After that I didn't hear anything, for another 2 days after I called and texted, nothing again. Finally I had my spouse make contact and they responded to him, but not me. After responding to him, they finally called me. When I went to pick up my car, it still wasn't done by the time they told me to come in (this is on the 7th day). They still had finishing touches to make apparently. Which to clarify, is fine, but after you've had my car for 7 days it would be nice not to have to wait longer if it's not actually ready when I was told it would be. I was charged about $1,300 to remove the fresh oil I just put, a diagnostic, new oil to replace the oil they removed (why couldn't the oil I JUST got be stored to reuse? And before anyone tells me that's not possible, it is, ask any mechanic), clean everywhere the oil went apparently, put a new part in (I can't remember what) and doing all of this would supposedly fix the leaking oil issue. It did not. I was left furious and anxious by the lack of communication, information, respect for my time, and ultimately ability to not even fix the leak. They told me to bring it back if it was still having issues but why would I put myself through that experience again? It wasn't cheap and I had an awful experience. I finally was able to save enough money to take it to a mechanic again eventually and took it to Adam at Ripon Auto. But before taking it I went back to Peterson to get my receipt reprinted so Ripon Auto could see what all they "did". Upon entering Peterson's office no one was at the front desk and I timed it because yes after having gone through everything I did I was feeling petty. It took almost 25 minutes for someone to come and reprint a receipt for me, who also didn't seem overly concerned with customer service. Anyways, Ripon auto was able to fixe the leak, informed me that Peterson did the work incorrectly and how they did it incorrectly, kept my vehicle for 2.5 days, called me everyday to keep me updated and informed, were less than half the price Peterson charged me, and were kind. I really wanted to have a good experience here, but unfortunately did not. I left feeling taken advantage of. Hopefully others have a better experience.

    Stanislaus Smog - Smog check

    Stanislaus Smog

    (50 reviews)

    I called around noon because my car wouldn't start, they told me to bring it in. Tow truck dropped…read moreoff my car about 1:30. Steve called me by 2 told me it was the starter and quoted me a price roughly $200 less than I thought it would be. He said they could get to it first thing in the morning. No problem. By the time I got off work at 5 (same day) Bradley called to say I could pick it up. Steve waited for me after closing and it cost $80 less than the estimate. Steve and Bradley were very professional and had me back on the road in 4 hours! Highly recommend 10/10

    We came in for a smog inspection on an older vehicle and ran into issues with communication and…read moreprofessionalism. We understand that smog checks on older vehicles are not always quick or painless, and that issues can come up. However, the interaction itself made the experience more frustrating than it needed to be. The gentleman we dealt with was short and somewhat flippant when explaining why the smog could not be completed due to an issue with the catalytic converter. A bit more time and willingness to explain the issue clearly would have gone a long way, rather than assuming the customer should already understand technical details. Because the issue was related to emissions, we asked about the type of repair work that might be needed to address the problem and potentially allow the vehicle to pass smog. We were prepared to move forward, but the response felt dismissive, as though our questions or business were not of interest. The price for the smog itself was reasonable, but the lack of clear communication and the overall tone left us with the impression that we were an inconvenience rather than customers looking for help. Ultimately, that confirmed we won't be back.

    Ripon Smog - smog_check_stations - Updated August 2026

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