Clean Truck Check testers in Imperial County

15 testing businesses in Imperial County are on CARB's public tester list, in 5 cities. 14 (93%) offer mobile testing, 7 do smoke opacity tests and 10 test motorhomes.

Cities in Imperial

Other cities

Brawley

Seeley

Trucking in Imperial

Imperial County includes the Calexico East commercial border crossing. Trucks from Mexico that operate in California are subject to Clean Truck Check.

Frequently asked questions

How many Clean Truck Check testers are in Imperial County?

CTC Finder lists 15 testing businesses in Imperial County from CARB's public tester list (16 credentialed testers), last checked November 1, 2026. Listing on CARB's list is optional, so the real number can be higher.

Is there mobile Clean Truck Check testing in Imperial County?

Yes. 14 listed businesses in Imperial County offer mobile testing, which means the tester comes to your yard. Use the Mobile filter above to see them.

How much does a Clean Truck Check test cost in Imperial County?

Testers set their own prices. Published prices for an OBD test are usually $50–$135 per vehicle; smoke opacity tests for older trucks often cost more, and mobile testers may add a trip fee. See the cost guide.

Source: CARB's public Clean Truck Check tester list, last checked . Listing on CARB's list is optional for testers, so some credentialed testers are not shown. Services, hours and prices change; please confirm with the tester before you go. Something wrong? Send a correction.