Clean Truck Check testers in San Mateo County
31 testing businesses in San Mateo County are on CARB's public tester list, in 14 cities. 27 (87%) offer mobile testing, 17 do smoke opacity tests and 26 test motorhomes.
Cities in San Mateo
Other cities
Brisbane
-
A1 Mobile Clean Truck Check LLC
- Mobile testing
- OBD test
- Motorhomes
Burlingame
-
Mohammad Najafpir
- Mobile testing
- OBD test
- Motorhomes
Half Moon Bay
-
Bay Area Clean Truck Check
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
La Honda
-
Rolling Wrench Truck & Trailer Repair Inc.
- Mobile testing
- OBD test
- Motorhomes
Menlo Park
-
TJF Solutions
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Pacifica
-
Anthony Ricks
- Mobile testing
- OBD test
- Motorhomes
-
Middleman Liens
- Mobile testing
- OBD test
- Motorhomes
Portola Valley
-
Ron Ramies Inc
- Mobile testing
- OBD test
- Motorhomes
San Carlos
-
Holly Smog
- Mobile testing
- OBD test
- Motorhomes
-
Carbcheck1
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
San Gregorio
-
Skylonda Equipment
- Mobile testing
- OBD test
- Motorhomes
Frequently asked questions
How many Clean Truck Check testers are in San Mateo County?
CTC Finder lists 31 testing businesses in San Mateo County from CARB's public tester list (33 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 San Mateo County?
Yes. 27 listed businesses in San Mateo 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 San Mateo 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.