--- title: "Clean Truck Check Testers in North Highlands, CA (5 listed)" description: "Find 5 CARB-credentialed Clean Truck Check testers in North Highlands, Sacramento County: 4 offer mobile testing, 1 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/sacramento-county/north-highlands/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in North Highlands, CA 5 testing businesses in North Highlands (Sacramento County) are on CARB's public Clean Truck Check tester list (5 credentialed testers). 4 offer mobile testing, 1 do smoke opacity tests, 3 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. ## Testers in North Highlands - **[Capital City Diesel Insp.](https://ctcfinder.com/tester/capital-city-diesel-insp-north-highlands/)** — 4031 Ward Ave, North Highlands, CA 95660 — (916) 538-7777. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Kings LLC](https://ctcfinder.com/tester/diesel-kings-llc-north-highlands/)** — 3200 Orange Grove Ave, North Highlands, CA 95660 — (916) 862-2924. Services: OBD testing, motorhome testing. - **[Elkhorn Smog](https://ctcfinder.com/tester/elkhorn-smog-north-highlands/)** — 3245 Elkhorn Blvd Suite 9, North Highlands, CA 95660 — (916) 412-0771. Services: mobile testing, OBD testing. - **[RunOk Trans](https://ctcfinder.com/tester/runok-trans-north-highlands/)** — North Highlands, CA 95660 — (916) 272-0732. Services: mobile testing, OBD testing, motorhome testing. - **[Safe Auto Transport, Inc](https://ctcfinder.com/tester/safe-auto-transport-inc-north-highlands/)** — 6901 28th St, North Highlands, CA 95660 — (916) 346-9378. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[CHI Transportation](https://ctcfinder.com/tester/chi-transportation-mcclellan/)** — Mcclellan, CA 95652 — (530) 903-6731 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Diesel Emissions Service](https://ctcfinder.com/tester/diesel-emissions-service-mcclellan/)** — 4522 Parker Ave, Mcclellan, CA 95652 — (916) 473-7393 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Rafael Lopez](https://ctcfinder.com/tester/rafael-lopez-mcclellan/)** — Mcclellan, CA 95652 — (800) 521-5130 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Superior Equipment Repair](https://ctcfinder.com/tester/superior-equipment-repair-mcclellan/)** — 5711 Perrin Ave, Mcclellan, CA 95652 — (530) 488-6086 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Babe's Clean Truck Check](https://ctcfinder.com/tester/babes-clean-truck-check-sacramento/)** — Sacramento, CA 95841 — (530) 350-6566 — 2 mi. Services: mobile testing, OBD testing. - **[Commercial Fleet Inspections LLC](https://ctcfinder.com/tester/commercial-fleet-inspections-llc-sacramento/)** — 4045 Orange Grove Ave, Sacramento, CA 95841 — (916) 765-4963 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Future Chevrolet](https://ctcfinder.com/tester/future-chevrolet-sacramento/)** — Sacramento, CA 95841 — (916) 333-8076 — 2 mi. Services: OBD testing. - **[Mohammad Nasiri](https://ctcfinder.com/tester/mohammad-nasiri-sacramento/)** — Sacramento, CA 95841 — (804) 610-8961 — 2 mi. Services: mobile testing, OBD testing. - **[Smog N Safety](https://ctcfinder.com/tester/smog-n-safety-sacramento/)** — 5800 Auburn Blvd #12, Sacramento, CA 95841 — (916) 245-0616 — 2 mi. 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 — 3 mi. Services: OBD testing. - **[KB Road Service LLC](https://ctcfinder.com/tester/kb-road-service-llc-antelope/)** — 5806 Cerulean Hill Way, Antelope, CA 95843 — (279) 286-8289 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Universal Tech Service LLC](https://ctcfinder.com/tester/universal-tech-service-llc-sacramento/)** — 3414 Lerwick Rd, Sacramento, CA 95821 — (916) 616-4769 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in North Highlands Sacramento County sits at the I-5 / I-80 crossroads and has many government fleets, which are also subject to Clean Truck Check. ## Cost Typical published prices in California: OBD test $50–$135 per vehicle; smoke opacity test $190–$200. Prices are set by each tester. ## Frequently asked questions ### How many Clean Truck Check testers are in North Highlands? CTC Finder lists 5 testing businesses in North Highlands from CARB's public tester list (5 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 North Highlands? Yes. 4 listed businesses in North Highlands 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 North Highlands? 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/). ### How often does my truck need a Clean Truck Check test? Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). ## Nearby cities - [Mcclellan](https://ctcfinder.com/testers/sacramento-county/mcclellan/) — 4 listings, 2 mi - [Citrus Heights](https://ctcfinder.com/testers/sacramento-county/citrus-heights/) — 7 listings, 5 mi - [Roseville](https://ctcfinder.com/testers/placer-county/roseville/) — 12 listings, 7 mi - [Sacramento](https://ctcfinder.com/testers/sacramento-county/sacramento/) — 68 listings, 8 mi - [Rancho Cordova](https://ctcfinder.com/testers/sacramento-county/rancho-cordova/) — 5 listings, 9 mi - [Rocklin](https://ctcfinder.com/testers/placer-county/rocklin/) — 6 listings, 11 mi - [West Sacramento](https://ctcfinder.com/testers/yolo-county/west-sacramento/) — 21 listings, 12 mi - [Folsom](https://ctcfinder.com/testers/sacramento-county/folsom/) — 5 listings, 13 mi - [Lincoln](https://ctcfinder.com/testers/placer-county/lincoln/) — 4 listings, 17 mi - [Elk Grove](https://ctcfinder.com/testers/sacramento-county/elk-grove/) — 16 listings, 18 mi