Clean Truck Check testers in El Dorado County
16 testing businesses in El Dorado County are on CARB's public tester list, in 9 cities. 16 (100%) offer mobile testing, 7 do smoke opacity tests and 12 test motorhomes.
Cities in El Dorado
Other cities
Cool
-
EZE Testing Services
- Mobile testing
- OBD test
- Motorhomes
Diamond Springs
El Dorado
-
EZ Smog & Repair
- Mobile testing
- OBD test
- Motorhomes
El Dorado Hills
-
Cap City Diesel Inspections TRUCK, BUS, RV
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Steven Smith
- Mobile testing
- OBD test
- Motorhomes
Garden Valley
-
Sierra Diesel
- Mobile testing
- OBD test
Pollock Pines
-
Olson & Sons Industrial LLC
- Mobile testing
- OBD test
- Motorhomes
-
Robles Hard NOX
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Rescue
-
Derek Somers
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Frequently asked questions
How many Clean Truck Check testers are in El Dorado County?
CTC Finder lists 16 testing businesses in El Dorado 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 El Dorado County?
Yes. 16 listed businesses in El Dorado 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 El Dorado 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.