Find a certified STAR smog check station near you in California — the station type your DMV renewal notice may require

So Cal Smog

✓ STAR Certified

855 Rancheros Dr B, San Marcos, CA 92069

Call (760) 290-3019 Apple Maps Google Maps

BAR license #302964 · state Bureau of Automotive Repair records · data refresh 2026-08-02

About this STAR station

So Cal Smog operates out of 855 Rancheros Dr B in San Marcos, in San Diego County, California. State Bureau of Automotive Repair records as of 2026-08-02 list it as a certified STAR station under BAR license #302964.

Phone: (760) 290-3019. Confirm hours by phone before heading over; details can change between data refreshes.

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Common questions

Where is So Cal Smog located?

So Cal Smog is at 855 Rancheros Dr B, San Marcos, CA 92069, in San Diego County. Phone: (760) 290-3019.

Is So Cal Smog a STAR-certified station?

Yes — state Bureau of Automotive Repair STAR program records (refreshed 2026-08-02) list So Cal Smog (BAR license #302964) as STAR-certified. Every listing on FindStarStation comes from those records.

How often do I need a smog check in California?

Every two years for most vehicles.

  • At sale or transfer
  • First 8 years exempt for new cars
  • Out-of-state imports need one

Per California DMV registration rules.

How many times can I retest after failing?

Unlimited retests allowed.

  • Must pay inspection fee each time
  • No certificate fee until pass
  • CAP can help with repair costs

Per BAR Consumer Assistance Program guidelines.