Clean Truck Check testers in the Sacramento Region

248 testing businesses in the Sacramento Region (Sacramento, Placer, El Dorado, Yolo, Sutter and Yuba counties) are on CARB's public Clean Truck Check tester list, with 260 credentialed testers. 223 (90%) offer mobile testing at your yard, 128 do smoke opacity tests for older trucks and 184 test motorhomes. The largest city pages are Sacramento (68), West Sacramento (21), Elk Grove (16).

Counties in the Sacramento Region

Cities with their own page

Smaller cities are listed on their county page.

Testing businesses with several credentialed testers

More credentialed testers usually means more capacity for fleets and before deadlines.

Trucking in the Sacramento Region: what to know

The Sacramento region sits at the I-5 / I-80 crossroads, with the Port of West Sacramento and warehouse districts along I-80 and US-50. Government fleets, which are also covered by Clean Truck Check, are concentrated here.

What a Clean Truck Check costs here

Testers set their own prices. Across the California prices we found, an OBD test usually costs $50–$135 per vehicle and a smoke opacity test $190–$200, plus CARB's annual fee ($32.13 in 2026, $33.12 in 2027). Cost guide · Remote and telematics testing.

Frequently asked questions

How many Clean Truck Check testers are in the Sacramento Region?

CTC Finder lists 248 testing businesses in the Sacramento Region from CARB's public tester list (260 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 the Sacramento Region?

Yes. 223 listed businesses in the Sacramento Region offer mobile testing, which means the tester comes to your yard. Each city page has a Mobile filter; see also mobile testers.

How much does a Clean Truck Check test cost in the Sacramento Region?

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.

Which Sacramento Region cities have the most Clean Truck Check testers?

Sacramento (68), West Sacramento (21), Elk Grove (16). Every city with 3 or more listings has its own page with phone numbers and a Mobile filter.

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.