Smog Check
Standard emissions test for cars 2000 and newer. Fast pass, e-filed with DMV.
STAR-certified emissions testing on Callen Street. Book online, roll in, and drive out DMV-ready — or your test is free.
Standard emissions test for cars 2000 and newer. Fast pass, e-filed with DMV.
For DMV-directed vehicles requiring STAR certification. We handle it all.
Specialized testing for diesel trucks and hybrid vehicles up to 14,000 lbs.
Check-engine light & pre-smog diagnosis. Pinpoint the fault before you test — fee credited toward the fix.
"In and out in 15 minutes. Cheapest price in town and they didn't try to sell me anything. Just a smog check done right."
Most tests done in under 20 minutes. We respect your time.
If we say you'll pass, you'll pass. Or your test is on us.
Results transmitted instantly. No paperwork, no waiting.
State-certified inspectors. No upsells, no BS.
Pick a time that works. We'll confirm within the hour. Show up, get tested, drive off DMV-ready.
Most smog checks at Smog Master are done in under 20 minutes. Book online to skip the wait.
If the DMV notice on your registration says 'STAR station', yes. Smog Master is a STAR-certified station in Vacaville.
Standard smog checks are $39.75, STAR test-only is $59.75, and diesel or hybrid tests are $79.75. Plus the $8.25 state certificate fee if you pass.
Just your DMV renewal notice or vehicle registration. Payment is due after the test — we accept cards and cash.
You'll get a report explaining the failure. Bring the car back after repairs and we'll retest it for free within 30 days.