Royal Smog & Mechanic

Welcome to Royal Smog and Mechanic Here at Royal Smog and Mechanic our family has been in the auto repair business for over 20 years.  We are ASE Certified mechanics who work on a variety of makes and models from the United States, Europe, and Asia. We are your one stop automotive repair smog and mechanic! We can provide tune ups, brake service, emissions test, oil changes and smog tests. Check engine light on? No problem! We can diagnose your issue quick and provide up front cost information. Browse our site to learn more or to contact us for a free quote.

Need a smog check?

BMW Service

Mercedes Service

Vehicle Repair

Smog Check


We can inspect a vehicle before you buy it! Get your $95 Coupon here

Smog Checks

We can perform your next smog check! Click here for your coupon


We can maintain just about any vehicle. Click here for your 10% off coupon

These are just some of the services we provide. We are ASE certified mechanics and a California approved smog check facility.

  • Smog Checks
  • Oil Change
  • Brake Service
  • Tune Up
  • Car Inspection

3330 Sonoma Blvd. Unit B Vallejo, CA