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    Royal Smog & Mechanic

    4.1 (80 reviews)
    Closed • 8:30 am - 5:00 pm

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    Services - Royal Smog & Mechanic

    Auto battery and fluid recycling

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    My "Hoopty"
    Lauren S.

    I'm so grateful to the guys who helped my classic 1989 Volvo 740 GL sedan pass smog for the next couple years. After having so many different car woes within the past 2 years...it was such a relief to have a back up hooptie to roll in. Went to another trusted smog center in town who were unable to pass the car because I had an after market part installed that made it impossible to get a true reading from the muffler. I was then reccommended to Royal Smog who took me in at the end of the day. The Bmod (Boss man on duty) Sam & his team were able to diagnose0 the problem. (I was chauffered home by the boss himself; who also happens to be nice on the eyes(lol).I only had to wait a day for my muffler to be fixed and have the Volvo running like brand new. It cost me a few Benjamin's...but well worth passing smog for another 2 years and is a quiet as a mouse when im rollin around town. If I decide to keep this car for a little while longer...im definitely coming back for future tune-ups! Ciao for now...

    I went there for the first time because the regular Smog shop was closed. I was told it was $98 and when asked for any coupons, I was advised there aren't any. The employee gave me a $10 off coupon as a courtesy. A friend of mine got theirs for $48 by walking in. I was not even told there are Yelp coupons. I messaged the business via Yelp and there was a lack of professionalism. I will never go there again!

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    4 months ago

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    1 month ago

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    Sakher A.

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    3 months ago

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    5 months ago

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    3 years ago

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    Sakher A.

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    1 year ago

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    Sakher A.

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    4 months ago

    The staff was so nice i love the place including Ameer and sam they gave me love and a good price

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    5 months ago

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    1 year ago

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    Sakher A.

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    2 years ago

    Awesome work. Took my car in. Told them what needed to be done. And an hour later ready to go. Thank you Sam and crew!

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    Sakher A.

    Thank you for your review

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    2 years ago

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    Sakher A.

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    1 year ago

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    Sakher A.

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    1 year ago

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    10 months ago

    this is a very good place to go i took my lincoln there for a smog and they gave me a fair price THE BEST PLACE IN VALLAJO!

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    1 year ago

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    2 years ago

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    Sakher A.

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    2 years ago

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    3 years ago

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    1 year ago

    Super quick and efficient! Great customer service as well. Will definitely be taking all of my cars here.

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    2 years ago

    Es primera vez que vengo hacer el Smog check, y servicio al cliente fue muy bueno, el tiempo de espera fue bastante corto.

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    3 years ago

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    3 years ago

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    4 years ago

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    3 years ago

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    3 years ago

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    2 years ago

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    4 years ago

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    4 years ago

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    3 years ago

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    3 years ago

    Perfect work, perfect service and perfect price! So quick and a friendly environment as well!

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    Sakher A.

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    4 years ago

    Super nice and fast!! Very nice people and great if you use the coupon on yelp. will come back

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    6 years ago

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    Page 1 of 2

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    Review Highlights - Royal Smog & Mechanic

    “this is my second time coming to this shop and both times Sam went above and beyond to make sure i was taken care of.”

    Mentioned in 13 reviews

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    Jiffy Lube - Manager on her cellphone

    Jiffy Lube

    (181 reviews)

    I went in today on a day before the Fourth of July holiday and they had a nice small line about an…read morehour after opening. The folks at this location are hard working and provide good service to the community. I was surprised to hear from the two workers that assisted me with my vehicle inspection form that not only do they have to work on the holiday but also do NOT receive holiday pay. I have a regular job and work a second job to supplement my income to be able to afford PG&E, rising gas costs, and groceries so I can understand but it's just surprising to hear how some owners treat their workers. Holiday pay is something that should be given to workers. It's just the bare minimum. Anyway I'm thankful for the folks that helped me. I used to go to the uber hub in Oakland and having a place to go to in town where I live is really nice. Thank you. Four star bc of ownership! Pls pay your workers holiday pay when they have to work on a holiday!

    Jiffy Lube has become one of go to whenever I need an oil change. When you pull up, there are three…read moreservice lanes, so it's easy to pick the one with the shortest wait. As soon as I parked, one of the technicians came over to greet me. I told him I was there for an oil change, and he asked if it was my first time visiting. When I told him no, he asked if I wanted the same service as last time. I said yes, and he replied, "Have a seat in the lobby, and someone will be right with you." I really appreciated that he already knew my service history and got straight to the point. It made the check-in process quick and easy. I waited in the lobby for no more than three minutes before my name was called. That actually caught me off guard because I had forgotten they already had my information in their system. The advisor confirmed the service I wanted and let me know it would take no more than 30 minutes, which I thought was a very reasonable wait time. The lobby is on the smaller side, but that's not a big deal since they only service three or four cars at a time. There was a TV to watch while waiting, along with complimentary self-serve water, which was a nice touch. The only part of my visit that left me with mixed feelings was at checkout. After my oil change was finished, the technician asked me when I had last had my brakes serviced. She mentioned that my brakes felt unusual when she was moving my car. Since I had my brakes done about a year and a half ago, her comment made me wonder if something was actually wrong. I asked how much a brake inspection would cost, and she explained the price and mentioned it also included a tire rotation and would only add another 30 to 40 minutes. Based on what she told me, I agreed to have it done because I didn't want to take any chances. When everything was finished, she told me my brakes were completely fine. While I was relieved nothing was wrong, I couldn't help but feel like I had been talked into an additional service that I probably didn't need. I'm not saying she intentionally tried to mislead me, but the way the conversation was presented made it seem like there was likely an issue with my brakes, and that concern is what convinced me to authorize the inspection. I think the experience would have felt much better if, after finding nothing wrong, there had been some acknowledgment that the concern turned out to be unfounded whether that was waiving or discounting the inspection or simply apologizing for the unnecessary worry. Instead, I left feeling like I had paid for a service based on a possible issue that didn't actually exist.

    Royal Smog & Mechanic - autorepair - Updated September 2026

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