We are a STAR CA/BAR certified Test only Center serving the Antioch, CA area. We certify all smog checks at affordable prices. We are conveniently located by Costco and Triple AAA at 1810 Verne Roberts Cir. No appointment is needed, just bring your car, truck or SUV and we will have it out fast. We also smog diesels. Our comfortable air conditioned waiting room will make you feel like home while your smog test is being done!