Clean Truck Check testers in Orange County
159 testing businesses in Orange County are on CARB's public tester list, in 29 cities. 146 (92%) offer mobile testing, 84 do smoke opacity tests and 116 test motorhomes.
Cities in Orange
- Anaheim 25
- Orange 14
- Santa Ana 14
- Huntington Beach 13
- Garden Grove 10
- Buena Park 9
- Fullerton 8
- Irvine 7
- Westminster 7
- Costa Mesa 6
- La Habra 6
- Fountain Valley 4
- Placentia 4
- Yorba Linda 4
- Lake Forest 3
- Mission Viejo 3
- Rancho Santa Margarita 3
- Tustin 3
Other cities
Brea
-
Gold Coast Tours
- OBD test
-
Wessam Temzeh
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Cypress
-
Clean Truck Check Cypress
- Mobile testing
- OBD test
- Motorhomes
Ladera Ranch
-
West Coast emissions
- Mobile testing
- OBD test
- Motorhomes
Los Alamitos
-
Blue Sky
- Mobile testing
- Smoke opacity
- Motorhomes
-
California Smog Center
- Mobile testing
- OBD test
- Motorhomes
Newport Beach
-
Hoang truong
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
San Juan Capistrano
-
Chad Harding
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Mike’s Mobile Carb Testing
- Mobile testing
- OBD test
- Motorhomes
Seal Beach
-
Joe Mueller
- Mobile testing
- OBD test
-
shawn Minh truong
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Stanton
-
Smog and More
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
TTS Engineering
- Mobile testing
- OBD test
Surfside
-
Holy Smokes U Need A Clean Truck Check
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Trabuco Canyon
-
Ez inspection Services
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Villa Park
-
Ryan Lane
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Trucking in Orange
Orange County testers serve industrial areas in Anaheim, Santa Ana and Irvine, and many travel to Long Beach port customers.
Frequently asked questions
How many Clean Truck Check testers are in Orange County?
CTC Finder lists 159 testing businesses in Orange County from CARB's public tester list (173 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 Orange County?
Yes. 146 listed businesses in Orange 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 Orange 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.