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Test and Repair station El Cajon, San Diego County

On The Mark Smog & Auto Repair Inc

1243 Greenfield Dr Unit C, El Cajon, CA 92021

On The Mark Smog & Auto Repair Inc is a licensed test and repair smog check station at 1243 Greenfield Dr Unit C in El Cajon and is STAR certified. Its state license dates to 2008, which makes it number 15 of 46 El Cajon stations by time licensed.

What this station can do

This is a test and repair station. It can test your car and also fix emissions problems if it fails, then retest it.

Because it is STAR certified, it can test cars the DMV directed to a STAR station. What STAR means.

Hours

Monday9 AM to 6 PM
Tuesday9 AM to 6 PM
Wednesday9 AM to 6 PM
Thursday9 AM to 6 PM
Friday9 AM to 6 PM
Saturday9 AM to 1 PM
SundayClosed

License check

You can look up this station's license on the state's own site. Search the number below at search.dca.ca.gov. A smog check only counts if the station is licensed on the day of your test.

  • Smog station license RC 256760
  • Auto repair registration ARD 256760
  • License expires 2026-11-30

Own this station? Fix your hours, phone or services.

Before you go

  • Bring your DMV renewal notice if you have one, and the car's registration.
  • Drive at least 20 minutes first so the engine is warm.
  • If the check engine light is on, you will fail. Here is why.
  • Prices are set by each station. The statewide average and what drives it are in our price guide.

Other smog stations in El Cajon

El Cajon

Where to Find On The Mark Smog & Auto Repair Inc

1243 Greenfield Dr Unit C, El Cajon, CA 92021