Vallejo's Trusted Smog Station
Certified smog inspections, emissions repairs, and honest auto care — right here in Vallejo. No appointments needed. Walk in and drive out compliant.
What We Do
Berkshire SMOG station certified inspections for vehicle registration, title transfers, and compliance. Fast, accurate, and hassle-free.
Failed your smog check? We diagnose and repair the root cause — from O2 sensors to catalytic converters — so you pass the second time.
Brakes, suspension, engine diagnostics, and general maintenance. We keep your car running safely between smog visits.
Buying a used car? Get a thorough smog and mechanical evaluation before you commit — know exactly what you're getting.
Keep your engine clean and protected with quality oil changes. We use the right specifications for your vehicle make and model.
State-certified smog station services with same-day results. We handle the paperwork so your registration goes through smoothly.
About Ao Smog
Located on Broadway in Vallejo, Ao Smog has been serving the Solano County community with reliable smog inspections and auto repair. We know how stressful it is to fail a smog check right before you need it — that's why we take the time to explain what's wrong and what it will take to get you back on the road.
Our team is certified, our equipment is current, and our approach is straightforward: we tell you the truth about your vehicle, give you an honest estimate, and get the job done right. No upselling. No surprises. Just competent mechanics who care about doing things the right way.
Why Choose Us
We are a licensed Berkshire SMOG station, meeting all California DMV requirements. Your results are official and accepted statewide.
We quote before we work. You'll always know the cost upfront — no hidden fees, no change-of-heart surprises at the counter.
Most smog checks take under 30 minutes. Repairs are completed efficiently so you're not stuck waiting around all day.
Right on Broadway in central Vallejo with easy parking. We're your neighbors, and we treat every customer like one.
Contact Us
Have a question about our services? Fill out the form and we'll get back to you as soon as possible.
