Clean Truck Check testers in Placer County
39 testing businesses in Placer County are on CARB's public tester list, in 11 cities. 36 (92%) offer mobile testing, 22 do smoke opacity tests and 35 test motorhomes.
Cities in Placer
Other cities
Alta
-
Mobile Truck Service
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Loomis
-
Mobile Diesel Emissions Testing Inc
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Tony Chen- Loomis, CA credentialed tester
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Newcastle
-
Motorhome/Truck test
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Samuel Nikoto- TRUCK, BUS, RV Mobile Testing
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Olympic Valley
-
Thomas Parris
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Sheridan
-
Packs Water Truck Service INC
- Mobile testing
- OBD test
- Motorhomes
Tahoe City
-
Tahoe Truck Testing
- Mobile testing
- OBD test
- Motorhomes
Frequently asked questions
How many Clean Truck Check testers are in Placer County?
CTC Finder lists 39 testing businesses in Placer County from CARB's public tester list (40 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 Placer County?
Yes. 36 listed businesses in Placer 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 Placer 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.