Get $10 dollars off with this coupon when you try our services!
FREE Retest If Vehicle Fails!
Expert testing for all vehicle types including:
- R.V.s
- Hybrids
- Diesel
ABOUT CERTIFIED SMOG
Our Commitment to Quality
At Certified Smog, we pride ourselves on providing top-notch smog testing services. Our Star certified station in Concord, CA ensures that your vehicle meets all emissions standards efficiently and accurately.