Your smog check, done in minutes.
Family owned and operated, serving Concord for over 20 years with honest, affordable smog checks for vehicles of all years, new and classic.
Smog testing for whatever you drive
As a STAR certified test only station, we handle every kind of California smog check, gas, diesel, and hybrid, for vehicles from 1976 to 2027. Not sure which one you need? Give us a call and we will sort it out in a minute.
Registration renewal smog
The standard smog check the DMV asks for when you renew your tags.
Change of ownership
Buying or selling a car? We provide the smog certificate you need to transfer it.
Out of state vehicles
New to California? We handle the smog inspection to register your vehicle here.
STAR directed tests
If the DMV directs you to a STAR station, you are in the right place. That is us.
Diesel smog checks
We are equipped to smog diesel vehicles, which not every station can do.
Hybrid smog checks
Hybrids are welcome, we smog hybrid vehicles too.
Save on Your Smog Check
Print this coupon or just show it on your phone when you check in. Bringing a different vehicle, or a returning customer? Give us a call, we have other offers depending on what you drive.
Meets Any and All CA DMV Requirements
- 2000 and newer vehicles
- Cars, SUVs, Pickups, Minivans
- One free retest offered for vehicles that fail
Coupon required before start of inspection. Cannot be combined with any other offers. Print or show on your phone at check in.
Other Vehicles & Returning Customers
Older vehicles, diesels, hybrids, and our regulars often have their own rate. Tell us what you are bringing in when you call and we will take care of you.
Call for an appointmentA family shop that does one thing well
Bayside Smog is a local, family owned STAR certified test station right here in Concord. We focus on smog testing and nothing else, which is exactly why we are quick, straightforward, and easy to deal with. You will get an honest test, a friendly face, and your certificate without the runaround.
- STAR certified by the State of California
- Family owned and operated
- Serving Concord and the surrounding East Bay
Concord keeps coming back
Two decades of drivers have trusted Bayside Smog to get them through their smog check quickly and fairly. Here is what people mention most.
"Called and received a same day appointment for a smog. The staff are very nice, transparent pricing posted in their office and quick service with accurate wait times quoted. Great small business. Plan to refer family and friends."
"Amazing service! Scheduled at 5pm and was in and out in no time. Made what feels like a drag a walk in the park!"
"Best smog experience ever. Highly recommend. Super helpful. Reasonable price. Don't even bother going anywhere else."
"Excellent customer care and service. Naqib is a fair and honest businessman, extremely professional and respectful. I am very happy with the service provided. It was a pleasure doing business with him."
"My car is over 30 years old and Bayside Smog is one of the few places willing to smog test it. They do an excellent and thorough job. The price is very fair and reasonable, and their technicians are very knowledgeable. Highly recommend."
"Great experience overall! Almost immediate response to my request, and I made a same day appointment for a few hours later. No wait, in and out in less than 15 minutes at the flat rate quoted, including the Yelp discount. Very courteous and efficient. Definitely recommend."
Ready for a fast, honest smog check?
Call now or stop by. Most drivers are in and out in minutes, and we will tell you exactly what your vehicle needs.
Call 925-246-9330Daily drivers to weekend exotics
Concord trusts us with all of it, from the family car and work fleets to weekend classics. Here is a peek at the shop.
Concord, CA 94519
Smog check questions, answered
How long does a smog check take?
Most smog checks are done in just minutes. Plenty of our Concord customers are in and out in well under 20 minutes.
Do I need an appointment?
You can call ahead and we often have same day availability. Call 925-246-9330 and we will set a time that works for you, usually with little to no wait.
What do I need to bring?
Just bring your vehicle and your DMV registration renewal notice if you have one. We take care of the test and send your results straight to the DMV.
How much does a smog check cost?
Pricing depends on your vehicle, and we are known for fair, honest prices. Check the coupon on this page for our current STAR certified smog special, or call 925-246-9330 for a quick quote.
Are you a STAR certified smog station?
Yes. Bayside Smog is a STAR certified test station, so we handle every type of smog check the California DMV requires, including registration renewal, change of ownership, out of state, and STAR directed tests. We also smog diesel and hybrid vehicles, and we test cars and trucks from 1976 to 2027.
What areas do you serve?
We serve Concord and the Greater East Bay, including Pleasant Hill, Pittsburg, Walnut Creek, Martinez, and Antioch.
Questions about your smog check?
Call us and we will tell you exactly what your vehicle needs, or send a quick message and we will get right back to you.