Jim at Superior Smog Center is THE BEST ! He tests all our 4 vehicles , 2 of which require TEST ONLY , and is such a pleasure to work with ! Jim is a one man operation , and works thoroughly to check us out to the State level . He has all the computerized gear , but best of all , his customers are not just treated like a computer entry - he knows us by name , knows our vehicles , and loves what he is doing ! You can even call him , to check for the best time to bring in your vehicle to his one stall test center . It usually only take 45 minutes for the complete check out , with results going via his computer to Sacramento DMV offices . On the same property , is TUNE UP SHOP , Grant's operation , just in case if you need a tune up before , or after , the test ! Jim is SO polite , and a true GENTLEMAN ! He knows what it takes to pass these tests , and will work with us until we do PASS ! I give him a rating of A++++++++ ! Gordon West read more

The owner of this business, Hassan Javadian is a total professional in every sense of the word. My husband and I both required smog certificates, his passed without a hitch, I wasn't so lucky. Hassan, after several others had tried to find out why the car was not passing completed a full diagnostic evaluation, determined it was a switch, which once repairs were made, allowed us to pass. I have since learned a simple smog test can actually turn into a nightmare if you find yourself trying to resolve what the issues are. The prices were beyond fair, the customer service and professionalism top notch. If you need a smog test, repairs and/or an evaluation please do yourself a favor and call Hassan Javadian. I know from experience that he without a doubt knows what he's doing. Laurie Lapellegrina read more

Jim is THE NICEST GUY EVER!!!!!!! Seriously, everybody go here. After getting turned down for a couple days at various other places (some because they said they couldn't test older vehicles, some because they just took one look at our van and just said no *coughthejerksatAAAcough*). Jim was SO nice and helpful with our crappy old van and did everything in his power to help us pass smog. We ended up needing to get a hose replaced for the evap test, but for the other part he actually took the time to warm the old girl up, because apparently most old vans fail if they get tested cold. I impressed with the level of care Jim had. For real, this dude is now on my Christmas list and I'll be going here every time I need to get smogged. read more

Jim Javadi is by far one of the most honest car people I have had the pleasure of working with! Not only has he communicated clearly on what was going on but checked my car, TWICE, before actually testing it to make sure it would pass. Also, when I arrived, he was busy with another client, but proceeded to help me out too! No time wasted. By the time I left, he had 3 other people he was working with. I promise you, each and everyone of us felt important. That's superior service if you ask me! I was recommended to go to him by my dad, who goes to him for his vehicles. And I now will pass on the word! THANK YOU Jim for the exceptional service and kindness! See ya next year! read more

I can't say enough good things about Superior Smog, and especially Jim. He's an absolute expert at his trade and took the time to clearly explain the entire smog process, which I really appreciated. I needed to smog a new car that I purchased from an out-of-state dealer, and Jim was extremely knowledgeable about the specific requirements and steps involved. He made what could've been a confusing process feel easy and straightforward. This was my first time coming here, but it definitely won't be my last. I'll be bringing my other cars to Superior Smog without hesitation. Professional, honest, and top-notch service all around. Highly recommend! read more

This was my brother and I's first time getting a Smog check for our two cars, but Jim and Superior Smog made the experience actually enjoyable. Jim was incredibly kind and professional, offering us water on a hot day and a place to sit in the shade. He was also very knowledgable, explaining to us what he was doing during the whole smog check, and offering advice for taking care of our cars. On top of this he offered low prices and was completely transparent about the charges. I honestly wish I could give him a sixth star, I am never going anywhere else for a smog check. read more

Jim Javadi is the man who assisted me today and he was the best. He is honest and won't hustle you. I went in a couple days ago to get it tested and he told me that my car was not going to pass. So he gave me some tips on how to make my car pass. He did not charge me for what he did. He just told me to by an emission cleaner and to run my car for a couple days. I came back 2 days later and my car passed. He said most places would have just let me fail and not care. I definitely recommend coming here. He is good man and knows what he is doing. read more

I have been coming to Superior Smog Center for over a decade now. Jim runs the show here, is the owner, AND smog tech! Been the same one person to smog my car on each of my annual visits (I have more than 2 cars including helping with my mom's car hence the annual visits). I am beyond pleased with his service and expertise that I have ONLY brought my cars here and recommend anyone who needs to get their car smog'd to try this place out. In fact I created my Yelp account (Finally) just to leave Jim a review . read more

I've gone to Jim at Superior Smog twice now. The first time 2 years ago was quick and easy. This most recent time, my 2005 Toyota Highlander (with 300k miles on it) had a CAT monitor that wouldn't turn on. Jim guided me through it doing multiple tests, and told me how to perform a Toyota drive cycle, and we finally got the monitor to turn on and I passed smog without needing to buy any new parts or do any repairs! I'll go to Jim for all my future smogs, and recommend you as well. read more

You will NOT find a better place to get your smog done!! Jim is so awesome - honest, friendly - just the best! If you have to get a smog done, why not have it done by someone with integrity?? I've been coming here for at least 10 years - we have 4 cars, newest one is 2001 - they've all passed every time - and if there's ever an issue, Jim is straight up honest about what can be done to make it pass - you won't be sorry you came here!! read more

Absolutely wonderful business. Owner is compassionate and understanding to our needs. He worked with me on finding the solution to why my car wasnt passing smog instead of the others I went to that just wanted to get paid more and more. I will never go to another smog station than this one. I will not hesitate to refer anyone looking to get their car tested. Thanks again for your incredible professionalism and worth ethic. read more

After some not-great experiences at shady smog places, I'm relieved to find this one. The technician was very friendly and professional. He offered me a cup of coffee when I pulled in, and encouraged me to relax in the car while he ran the test. He explained the paperwork briefly and clearly. The fees are posted on the wall of the clean repair bay. I paid $65 for the test, including tax and debit surcharge. read more

I brought my car in after i was shopping around for a good deal in costa mesa and i found jim very friendly on the phone , he was able to get me the best price and very quick service , i didn't have to wait for so long . I came in at 2pm and my car was ready at 2:15 pm . So glad to find them , i think deserve 5 stars and i will refer them to you and my family and all my friends. Thanks jim read more

After two different people advised me to check this place out, I decided to give it a whirl. This was possibly the fastest, most convenient smog check ever, and even though I didn't have my DMV paper with me, Jim was able to look my info up and still transmit the result easily enough. There's even a little waiting area designated for people getting their cars checked. Highly recommend! read more

Jim is great as always!! Said 10 min took 5 !! Getting gas and smog all in one stop makes everything easier!! Always pop in here when me or my wife's vehicles need to get the smog done ! Just way to easy !! Little patio spot to sit for a few minutes while he busts out your vehicle and sends the smog report to the dmv and boom go home online and pay that dang dmv registration!! read more

I have been going here since I moved to CA 15 years ago. I initially went because it was near my work, but I continue to drive 20+ miles and pass about 50 other smog testing places because of the personalized treatment I get each time from Jim. He's professional, honest, and just generally a nice person. I will continue to come here as long as I live in Orange County. read more

I was referred to Superior Smog Center by a friend and co-worker who has been his customer for many years. I was greeted by Jim, he thoroughly explained the process, offered me a cold beverage and directed me to a nice, clean waiting area. Jim is honest, friendly, efficient and fair. I am a customer for life and will refer everyone I know to Superior Smog Center. read more

jim is the best. I've been going here for over 18 years. I drive from Rancho Santa Margarita. He always offers coffee and his service is great. I have never failed a test because he knows what he is doing. I bring all 5 of my cars here because he is always accommodating. Not worth going anywhere else to save a buck. Thanks Jim for all the great service. read more

As always, it was another wonderful experience. Jim Javadi is such a nice man and he runs a beautiful smog shop. It is always clean and so organized, you can tell he takes pride in his work. The gas station it is located in is always clean and very well kept. Make an appointment with Jim and it's fast and efficient. Thank you for another great experience! read more