Clean Truck Check testers in Monterey County
37 testing businesses in Monterey County are on CARB's public tester list, in 9 cities. 33 (89%) offer mobile testing, 11 do smoke opacity tests and 22 test motorhomes.
Cities in Monterey
Other cities
Greenfield
-
JM Diesel Solutions
- Mobile testing
- OBD test
- Motorhomes
Moss Landing
-
The Company
- Mobile testing
- OBD test
Pacific Grove
-
Industrial power systems LLC
- Mobile testing
- OBD test
- Motorhomes
Prunedale
-
Rigos Automotive LLC
- Mobile testing
- OBD test
- Motorhomes
Trucking in Monterey
Monterey County's Salinas Valley produce industry relies on agricultural and refrigerated trucks.
Frequently asked questions
How many Clean Truck Check testers are in Monterey County?
CTC Finder lists 37 testing businesses in Monterey County from CARB's public tester list (37 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 Monterey County?
Yes. 33 listed businesses in Monterey 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 Monterey 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.