STAR CertifiedTest OnlyState licensed #232568
Smog check in Castro Valley, done while you wait
Pull in, no appointment needed. Most smog checks take 10 to 25 minutes, results go straight to the DMV, and we do oil changes too.
- 4.7 stars from happy customers
- Mon–Fri 8–5 · Sat 8–2
Smog checks, plus an oil change while you’re here
A state-licensed Test Only smog station with room for cars, trucks and motorhomes, right on Castro Valley Boulevard.
Smog check
State-licensed smog inspections. Walk in, most cars are done in well under half an hour.
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STAR smog check
Renewal notice says “STAR station required”? We’re STAR Certified.
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RV & motorhome smog
Big rig? We’ve smog checked motorhomes as long as 32 feet.
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Oil change
Quick oil changes while you’re here, conventional or synthetic.
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Quick, honest and right down the street
In and out
Reviewers time it at under ten minutes on a good day and 25 minutes on a busy one. There’s a bench out front while you wait.
Test Only, so nothing to sell you
We’re licensed to test, not to repair. Nobody here gains anything by failing your car.
Neighbors for decades
Some customers have smogged every car they’ve owned here since 2000, and they keep coming back.
4.7 stars from happy customers
Has been coming here for close to twenty years. The owners are nice and professional, and a smog check usually takes under ten minutes.
Tony B. · Yelp review
Every vehicle in the household has been smogged here since 2000. The latest biennial test passed, in and out in 15 to 20 minutes.
Ro X. · Yelp review
A regular for smog checks who has always had a great experience. Quick, to the point and professional.
Vincent T. · Google review
Quick service at a reasonable price. The man at the shop was very nice and had the vehicle smog checked within 25 minutes.
Carlos B. · Yelp review
Knowledgeable staff who take the time to explain everything and answer every question. The go-to shop for smog checks and oil changes.
Dianna D. · Yelp review
A quick, easy smog station. They usually just drop in and don’t wait long.
Jim T. · Yelp review
Summaries of real customer reviews, in our words. Read them all on Google and Yelp
Your smog check in four steps
Pull in
No appointment needed. Bring your DMV renewal notice if you have one, and any competitor’s coupon.
Check in
Stop at the service window, then have a seat on the bench out front while we test.
The test
Your car goes into the bay for the state smog test. Most take 10 to 25 minutes.
Done
Passing results go straight to the DMV electronically. You drive off with your report.
On Castro Valley Boulevard
Right in the middle of town, with room on the lot to pull in. Drivers come from Hayward, San Leandro, San Lorenzo, Ashland, Cherryland, Fairview and Dublin, as well as Castro Valley itself.
Hours: Monday to Friday 8 AM to 5 PM, Saturday 8 AM to 2 PM. Closed Sunday.
See the areas we serveSmog World2780 Castro Valley Blvd, Castro Valley, CA 94546On Castro Valley Boulevard
Smog check questions
Don’t see yours? Call (510) 582-9355 during business hours.
Do I need an appointment for a smog check?
No. Walk-ins are welcome. Just pull in during business hours.
What are your hours?
Monday to Friday 8 AM to 5 PM, Saturday 8 AM to 2 PM. Closed Sunday.
Where are you?
2780 Castro Valley Blvd, Castro Valley, CA 94546, right on the boulevard in the middle of Castro Valley.
Are you a STAR station?
Yes. Smog World is a STAR Certified, Test Only station, so we can test cars whose DMV notice says a STAR station is required.
Does my car need a smog check?
In Alameda County, most gas cars eight or more model years old need one every two years at renewal, and most cars four or more model years old need one when they’re sold. Your DMV renewal notice will say if it’s due.
Do you take other shops’ coupons?
Yes. We honor local competitors’ smog check coupons to match their price, under the same conditions.
Do you take credit cards?
Yes, credit cards are accepted.
Smog check due? Pull right in.
Walk-ins welcome, no appointment needed. Or call ahead and ask how busy we are.
Mon–Fri 8–5 · Sat 8–2