--- title: "Clean Truck Check Testers in Fullerton, CA (8 listed)" description: "Find 8 CARB-credentialed Clean Truck Check testers in Fullerton, Orange County: 8 offer mobile testing, 4 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/orange-county/fullerton/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Fullerton, CA 8 testing businesses in Fullerton (Orange County) are on CARB's public Clean Truck Check tester list (9 credentialed testers). 8 offer mobile testing, 4 do smoke opacity tests, 6 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 Fullerton - **[VNsocalmobile](https://ctcfinder.com/tester/vnsocalmobile-fullerton/)** — 1440 N Harbor Blvd, Fullerton, CA 92835 — (657) 500-9235. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Auto logic](https://ctcfinder.com/tester/auto-logic-fullerton/)** — 4344 Artesia Ave, Fullerton, CA 92833 — (714) 403-5422. Services: mobile testing, OBD testing, motorhome testing. - **[Dillon mobile services](https://ctcfinder.com/tester/dillon-mobile-services-fullerton/)** — 507 S Balcom Ave, Fullerton, CA 92832 — (714) 357-1556. Services: mobile testing. - **[Fernando Alvarez](https://ctcfinder.com/tester/fernando-alvarez-fullerton/)** — Fullerton, CA 92831 — (714) 823-1187. Services: mobile testing, OBD testing, motorhome testing. - **[Fullerton Smog Center](https://ctcfinder.com/tester/fullerton-smog-center-fullerton/)** — 537 W Valencia Dr Suite C, Fullerton, CA 92832 — (714) 452-4126. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Gerardo Reyes](https://ctcfinder.com/tester/gerardo-reyes-fullerton/)** — Fullerton, CA 92835 — (714) 906-0090. Services: mobile testing, OBD testing. - **[Hoang Truong](https://ctcfinder.com/tester/hoang-truong-fullerton/)** — Fullerton, CA 92833 — (714) 397-8025. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ngoc Nguyen](https://ctcfinder.com/tester/ngoc-nguyen-fullerton/)** — Fullerton, CA 92835 — (714) 397-8025. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Anaheim](https://ctcfinder.com/tester/anaheim-anaheim/)** — 540 N Euclid St, Anaheim, CA 92801 — (714) 717-4738 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[El fenix truck-auto care](https://ctcfinder.com/tester/el-fenix-truck-auto-care-anaheim/)** — 2101 W Coronet Ave, Anaheim, CA 92801 — (714) 900-4039 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Five Star Truck & Auto Repair](https://ctcfinder.com/tester/five-star-truck-and-auto-repair-anaheim/)** — 2349 W La Palma Ave Suite 106, Anaheim, CA 92801 — (714) 206-4204 — 3 mi. Services: OBD testing, motorhome testing. - **[Torque Lab Performance](https://ctcfinder.com/tester/torque-lab-performance-anaheim/)** — Anaheim, CA 92801 — (714) 988-7557 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CS Transportation Insurance Agency](https://ctcfinder.com/tester/cs-transportation-insurance-agency-buena-park/)** — 7033 Orangethorpe Ave Suite B, Buena Park, CA 90621 — (213) 718-4468 — 4 mi. Services: mobile testing, OBD testing. - **[First Class Smog](https://ctcfinder.com/tester/first-class-smog-buena-park/)** — 7870 Commonwealth Ave Suite B, Buena Park, CA 90621 — (714) 822-9928 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[shawn Truong](https://ctcfinder.com/tester/shawn-truong-buena-park/)** — Buena Park, CA 90621 — (714) 397-8025 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Smog Express LLC](https://ctcfinder.com/tester/smog-express-llc-buena-park/)** — 6881 Stanton Ave Ste J, Buena Park, CA 90621 — (949) 235-2509 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Clean Diesel Specialist Anaheim](https://ctcfinder.com/tester/clean-diesel-specialist-anaheim-anaheim/)** — 220 W Santa Ana St, Anaheim, CA 92805 — (562) 857-4241 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Clean Diesel Specialists](https://ctcfinder.com/tester/clean-diesel-specialists-anaheim/)** — 220 W Santa Ana St, Anaheim, CA 92805 — (909) 660-1789 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[East To West Trucking Services](https://ctcfinder.com/tester/east-to-west-trucking-services-anaheim/)** — 1250 E La Palma Ave, Anaheim, CA 92805 — (951) 546-6655 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Mark Maddox](https://ctcfinder.com/tester/mark-maddox-anaheim/)** — Anaheim, CA 92805 — (714) 404-6539 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. ## Trucking in Fullerton Orange County testers serve industrial areas in Anaheim, Santa Ana and Irvine, and many travel to Long Beach port customers. ## 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 Fullerton? CTC Finder lists 8 testing businesses in Fullerton from CARB's public tester list (9 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 Fullerton? Yes. 8 listed businesses in Fullerton 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 Fullerton? 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 - [Anaheim](https://ctcfinder.com/testers/orange-county/anaheim/) — 25 listings, 4 mi - [Placentia](https://ctcfinder.com/testers/orange-county/placentia/) — 4 listings, 4 mi - [La Habra](https://ctcfinder.com/testers/orange-county/la-habra/) — 6 listings, 4 mi - [La Mirada](https://ctcfinder.com/testers/los-angeles-county/la-mirada/) — 5 listings, 5 mi - [Buena Park](https://ctcfinder.com/testers/orange-county/buena-park/) — 9 listings, 5 mi - [Rowland Heights](https://ctcfinder.com/testers/los-angeles-county/rowland-heights/) — 4 listings, 7 mi - [Whittier](https://ctcfinder.com/testers/los-angeles-county/whittier/) — 10 listings, 7 mi - [Orange](https://ctcfinder.com/testers/orange-county/orange/) — 14 listings, 8 mi - [Garden Grove](https://ctcfinder.com/testers/orange-county/garden-grove/) — 10 listings, 8 mi - [Hacienda Heights](https://ctcfinder.com/testers/los-angeles-county/hacienda-heights/) — 4 listings, 8 mi