--- title: "Clean Truck Check Testers in Orange, CA (14 listed)" description: "Find 14 CARB-credentialed Clean Truck Check testers in Orange, Orange County: 12 offer mobile testing, 8 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/orange-county/orange/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Orange, CA 14 testing businesses in Orange (Orange County) are on CARB's public Clean Truck Check tester list (17 credentialed testers). 12 offer mobile testing, 8 do smoke opacity tests, 8 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 Orange - **[OC Clean Truck LLC](https://ctcfinder.com/tester/oc-clean-truck-llc-orange/)** — Orange, CA 92867 — (714) 306-9803. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Orange High Test Only](https://ctcfinder.com/tester/orange-high-test-only-orange/)** — 896 N Cypress St, Orange, CA 92867 — (714) 289-1088. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[A1 Vehicle Group](https://ctcfinder.com/tester/a1-vehicle-group-orange/)** — 1935 N Enterprise St, Orange, CA 92865 — (714) 653-8696. Services: not listed. - **[All American Diesel and Fleet Servicses](https://ctcfinder.com/tester/all-american-diesel-and-fleet-servicses-orange/)** — 632 W Angus Ave, Orange, CA 92868 — (714) 944-5343. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Alternative Fuel Solutions .](https://ctcfinder.com/tester/alternative-fuel-solutions-orange/)** — 8682 N Olive Ave, Orange, CA 92865 — (714) 326-3581. Services: mobile testing, OBD testing. - **[Chris Pinson](https://ctcfinder.com/tester/chris-pinson-orange/)** — Orange, CA 92868 — (657) 236-8428. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Clean Auto Inspections](https://ctcfinder.com/tester/clean-auto-inspections-orange/)** — Orange, CA 92867 — (714) 646-7223. Services: mobile testing, OBD testing, motorhome testing. - **[CRW Leasing Company](https://ctcfinder.com/tester/crw-leasing-company-orange/)** — 864 N Red Robin St, Orange, CA 92869 — (714) 240-1335. Services: mobile testing, OBD testing. - **[Eduardo Lopez](https://ctcfinder.com/tester/eduardo-lopez-orange/)** — Orange, CA 92868 — (714) 981-6952. Services: mobile testing, OBD testing. - **[Mobile CARB Tester](https://ctcfinder.com/tester/mobile-carb-tester-orange/)** — 1748 W Business Center Dr, Orange, CA 92867 — (714) 743-7000. Services: mobile testing, OBD testing, motorhome testing. - **[Nicholas Augustine](https://ctcfinder.com/tester/nicholas-augustine-orange/)** — Orange, CA 92868 — (562) 280-9152. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Precision Equipment Repair](https://ctcfinder.com/tester/precision-equipment-repair-orange/)** — 2736 N Pampas St, Orange, CA 92865 — (714) 313-4094. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Shawn Truong](https://ctcfinder.com/tester/shawn-truong-orange/)** — Orange, CA 92867 — (714) 397-8025. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Tried & True Fleet Services](https://ctcfinder.com/tester/tried-and-true-fleet-services-orange/)** — 1442 E Lincoln Ave PMB 322, Orange, CA 92865 — (562) 964-6547. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Ryan Lane](https://ctcfinder.com/tester/ryan-lane-villa-park/)** — Villa Park, CA 92861 — (714) 204-1891 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Anaheim Clean Truck](https://ctcfinder.com/tester/anaheim-clean-truck-anaheim/)** — Anaheim, CA 92806 — (714) 307-8644 — 3 mi. Services: mobile testing, OBD testing. - **[Credentialed tester in Anaheim](https://ctcfinder.com/tester/credentialed-tester-in-anaheim-anaheim/)** — Anaheim, CA 92806 — (213) 444-3581 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Fleet Services Inc](https://ctcfinder.com/tester/fleet-services-inc-anaheim/)** — 3550 E Miraloma Ave, Anaheim, CA 92806 — (714) 630-2179 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Moses Solis](https://ctcfinder.com/tester/moses-solis-anaheim/)** — Anaheim, CA 92806 — (951) 482-9063 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Pacific Fleet Services Inc.](https://ctcfinder.com/tester/pacific-fleet-services-inc-anaheim/)** — 2980 E Coronado St, Anaheim, CA 92806 — (714) 474-6956 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Steel City Scaffold](https://ctcfinder.com/tester/steel-city-scaffold-anaheim/)** — 1370 N Red Gum St, Anaheim, CA 92806 — (909) 227-5369 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Marks old towne service](https://ctcfinder.com/tester/marks-old-towne-service-anaheim/)** — 1391 N Jefferson St, Anaheim, CA 92807 — (714) 933-8077 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Beryl Technologies l l c](https://ctcfinder.com/tester/beryl-technologies-l-l-c-santa-ana/)** — 1640 E Edinger Ave Suite L, Santa Ana, CA 92705 — (949) 413-2063 — 4 mi. Services: smoke opacity (non-OBD) testing. - **[Diesel Warrior LLC](https://ctcfinder.com/tester/diesel-warrior-llc-santa-ana/)** — 2814 Roswell St, Santa Ana, CA 92705 — (714) 831-9649 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Flex A Tech Mobile](https://ctcfinder.com/tester/flex-a-tech-mobile-santa-ana/)** — 2324 Franzen Ave, Santa Ana, CA 92705 — (714) 866-6546 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[THE SMOKE DETECTORS - Mobile Service Only](https://ctcfinder.com/tester/the-smoke-detectors-mobile-service-only-santa-ana/)** — 2313 E Avalon Ave, Santa Ana, CA 92705 — (714) 785-9911 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Orange 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 Orange? CTC Finder lists 14 testing businesses in Orange from CARB's public tester list (17 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 Orange? Yes. 12 listed businesses in Orange 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 Orange? 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 - [Santa Ana](https://ctcfinder.com/testers/orange-county/santa-ana/) — 14 listings, 4 mi - [Anaheim](https://ctcfinder.com/testers/orange-county/anaheim/) — 25 listings, 4 mi - [Placentia](https://ctcfinder.com/testers/orange-county/placentia/) — 4 listings, 5 mi - [Tustin](https://ctcfinder.com/testers/orange-county/tustin/) — 3 listings, 5 mi - [Yorba Linda](https://ctcfinder.com/testers/orange-county/yorba-linda/) — 4 listings, 7 mi - [Garden Grove](https://ctcfinder.com/testers/orange-county/garden-grove/) — 10 listings, 7 mi - [Fullerton](https://ctcfinder.com/testers/orange-county/fullerton/) — 8 listings, 8 mi - [Fountain Valley](https://ctcfinder.com/testers/orange-county/fountain-valley/) — 4 listings, 10 mi - [Irvine](https://ctcfinder.com/testers/orange-county/irvine/) — 7 listings, 10 mi - [Westminster](https://ctcfinder.com/testers/orange-county/westminster/) — 7 listings, 10 mi