Clean Truck Check testers in Kern County
107 testing businesses in Kern County are on CARB's public tester list, in 15 cities. 89 (83%) offer mobile testing, 53 do smoke opacity tests and 72 test motorhomes.
Cities in Kern
Other cities
Arvin
-
Flavio Gonzalez
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Buttonwillow
-
Zoraida Sierra Baez
- OBD test
Fellows
-
FJM Rentals
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Lake Isabella
-
Mt Mesa Automotive
- OBD test
- Smoke opacity
- Motorhomes
Lamont
-
Smog Axis
- Mobile testing
- OBD test
- Motorhomes
Lebec
-
Fas Automotive
- Mobile testing
- OBD test
- Motorhomes
Mc Farland
-
Reuchon Transport
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Rosamond
-
Big iron
- Mobile testing
- OBD test
-
Snail Race Transportation LLC
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Taft
-
Bobby Bonds OBD Testing
- Mobile testing
- OBD test
- Motorhomes
-
David Melton
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Wasco
-
Kern Diesel Repair LLC
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
L & M Truck and Equipment LLC
- Mobile testing
- OBD test
- Smoke opacity
Trucking in Kern
Kern County, led by Bakersfield, mixes oil-field service, agriculture and long-haul trucking on SR-99, I-5 and SR-58.
Frequently asked questions
How many Clean Truck Check testers are in Kern County?
CTC Finder lists 107 testing businesses in Kern County from CARB's public tester list (119 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 Kern County?
Yes. 89 listed businesses in Kern 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 Kern 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.