Welcome to All Pro Smog... Your ONE STOP Smog check ONLY facility. We are a State Licensed Smog Check Test Only facility located in Tracy, California. Our Goal is to provide our customers with the utmost quality of service, products, and the speediest service available to get them back on the road. We guarantee that you will be satisfied. Please Call us to make an appointment or stop by! We are located directly behind Goodwill and Kelly Moore Paint off Tracy Blvd.Come in today!