--- title: "Clean Truck Check Testers in the Sacramento Region (248)" description: "248 CARB-credentialed Clean Truck Check testers in the Sacramento Region (Sacramento, Placer, El Dorado, Yolo, Sutter and Yuba counties): 223 offer mobile…" url: "https://ctcfinder.com/testers/sacramento-region/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # 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 (260 credentialed testers). 223 offer mobile testing, 128 do smoke opacity tests, 184 test motorhomes. > CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester. ## Counties - [Sacramento County](https://ctcfinder.com/testers/sacramento-county/) — 131 testers - [Yolo County](https://ctcfinder.com/testers/yolo-county/) — 42 testers - [Placer County](https://ctcfinder.com/testers/placer-county/) — 39 testers - [El Dorado County](https://ctcfinder.com/testers/el-dorado-county/) — 16 testers - [Sutter County](https://ctcfinder.com/testers/sutter-county/) — 12 testers - [Yuba County](https://ctcfinder.com/testers/yuba-county/) — 8 testers ## City pages - [Sacramento](https://ctcfinder.com/testers/sacramento-county/sacramento/) (Sacramento County) — 68 testers - [West Sacramento](https://ctcfinder.com/testers/yolo-county/west-sacramento/) (Yolo County) — 21 testers - [Elk Grove](https://ctcfinder.com/testers/sacramento-county/elk-grove/) (Sacramento County) — 16 testers - [Roseville](https://ctcfinder.com/testers/placer-county/roseville/) (Placer County) — 12 testers - [Woodland](https://ctcfinder.com/testers/yolo-county/woodland/) (Yolo County) — 12 testers - [Yuba City](https://ctcfinder.com/testers/sutter-county/yuba-city/) (Sutter County) — 11 testers - [Citrus Heights](https://ctcfinder.com/testers/sacramento-county/citrus-heights/) (Sacramento County) — 7 testers - [Galt](https://ctcfinder.com/testers/sacramento-county/galt/) (Sacramento County) — 7 testers - [Auburn](https://ctcfinder.com/testers/placer-county/auburn/) (Placer County) — 7 testers - [Rocklin](https://ctcfinder.com/testers/placer-county/rocklin/) (Placer County) — 6 testers - [Folsom](https://ctcfinder.com/testers/sacramento-county/folsom/) (Sacramento County) — 5 testers - [North Highlands](https://ctcfinder.com/testers/sacramento-county/north-highlands/) (Sacramento County) — 5 testers - [Rancho Cordova](https://ctcfinder.com/testers/sacramento-county/rancho-cordova/) (Sacramento County) — 5 testers - [Mcclellan](https://ctcfinder.com/testers/sacramento-county/mcclellan/) (Sacramento County) — 4 testers - [Wilton](https://ctcfinder.com/testers/sacramento-county/wilton/) (Sacramento County) — 4 testers - [Lincoln](https://ctcfinder.com/testers/placer-county/lincoln/) (Placer County) — 4 testers - [Winters](https://ctcfinder.com/testers/yolo-county/winters/) (Yolo County) — 4 testers - [Colfax](https://ctcfinder.com/testers/placer-county/colfax/) (Placer County) — 3 testers - [Placerville](https://ctcfinder.com/testers/el-dorado-county/placerville/) (El Dorado County) — 3 testers - [Shingle Springs](https://ctcfinder.com/testers/el-dorado-county/shingle-springs/) (El Dorado County) — 3 testers - [Marysville](https://ctcfinder.com/testers/yuba-county/marysville/) (Yuba County) — 3 testers ## Testing businesses with several credentialed testers - **[Big RIG Truck Repair and Towing](https://ctcfinder.com/tester/big-rig-truck-repair-and-towing-yuba-city/)** — 1275 Walnut Ave, Yuba City, CA 95991 — (530) 434-2242. Services: mobile testing, OBD testing. - **[Diesel Emissions Service](https://ctcfinder.com/tester/diesel-emissions-service-mcclellan/)** — 4522 Parker Ave, Mcclellan, CA 95652 — (916) 473-7393. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Homeland Fleet Services](https://ctcfinder.com/tester/homeland-fleet-services-woodland/)** — 14958 County Road 100B, Woodland, CA 95776 — (888) 860-2195. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Aaron Cheever](https://ctcfinder.com/tester/aaron-cheever-yuba-city/)** — Yuba City, CA 95991 — (530) 671-5309. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Autotek Inc.](https://ctcfinder.com/tester/autotek-inc-antelope/)** — 8633 Antelope North Rd, Antelope, CA 95843 — (916) 723-7664. Services: OBD testing. - **[Beta Smog & Tune](https://ctcfinder.com/tester/beta-smog-and-tune-gold-river/)** — 11257 Coloma Rd, Gold River, CA 95670 — (916) 852-1311. Services: OBD testing. - **[Danny Boys](https://ctcfinder.com/tester/danny-boys-woodland/)** — Woodland, CA 95776 — (530) 867-0231. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Mobile Compliance Testing](https://ctcfinder.com/tester/mobile-compliance-testing-sacramento/)** — 4361 Pell Dr Suite 400, Sacramento, CA 95838 — (916) 538-7777. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mobile Diesel Emissions Testing Inc](https://ctcfinder.com/tester/mobile-diesel-emissions-testing-inc-loomis/)** — 4010 Barton Rd, Loomis, CA 95650 — (916) 530-2525. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in the Sacramento Region 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. ## Cost Typical published prices in California: OBD test $50–$135 per vehicle; smoke opacity test $190–$200; CARB annual fee $32.13 (2026), $33.12 (2027). ## 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](https://ctcfinder.com/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](https://ctcfinder.com/guide/cost/). ### 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.