--- title: "Clean Truck Check Testers in Rancho Santa Margarita, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Rancho Santa Margarita, Orange County: 2 offer mobile testing, 1 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/orange-county/rancho-santa-margarita/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Rancho Santa Margarita, CA 3 testing businesses in Rancho Santa Margarita (Orange County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 2 offer mobile testing, 1 do smoke opacity tests, 2 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 Rancho Santa Margarita - **[BB Mobile CARB Testing](https://ctcfinder.com/tester/bb-mobile-carb-testing-rancho-santa-margarita/)** — 17 Ledgewood Dr, Rancho Santa Margarita, CA 92688 — (949) 523-4550. Services: mobile testing, OBD testing, motorhome testing. - **[Santa Margarita Catholic HS](https://ctcfinder.com/tester/santa-margarita-catholic-hs-rancho-santa-margarita/)** — Rancho Santa Margarita, CA 92688 — (657) 605-6852. Services: OBD testing. - **[Santa Margarita Ford Fleet Center](https://ctcfinder.com/tester/santa-margarita-ford-fleet-center-rancho-santa-margarita/)** — 29922 Avenida de las Bandera, Rancho Santa Margarita, CA 92688 — (949) 322-6550. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Armin Gederi](https://ctcfinder.com/tester/armin-gederi-mission-viejo/)** — Mission Viejo, CA 92692 — (818) 809-9423 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Hdquickcheck](https://ctcfinder.com/tester/hdquickcheck-mission-viejo/)** — Mission Viejo, CA 92691 — (949) 538-8094 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Quality Smog](https://ctcfinder.com/tester/quality-smog-mission-viejo/)** — 26811 Trabuco Rd, Mission Viejo, CA 92691 — (949) 454-4195 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ez inspection Services](https://ctcfinder.com/tester/ez-inspection-services-trabuco-canyon/)** — 19566 Arezzo St, Trabuco Canyon, CA 92679 — (949) 820-1869 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Acatrucking](https://ctcfinder.com/tester/acatrucking-lake-forest/)** — 22551 Overlake Dr, Lake Forest, CA 92630 — (626) 715-3763 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Elite Automotive Services](https://ctcfinder.com/tester/elite-automotive-services-lake-forest/)** — 26801 Vista Ter, Lake Forest, CA 92630 — (714) 319-5003 — 5 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Shawn Truong](https://ctcfinder.com/tester/shawn-truong-lake-forest/)** — Lake Forest, CA 92630 — (714) 397-8025 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[West Coast emissions](https://ctcfinder.com/tester/west-coast-emissions-ladera-ranch/)** — 51 Juniper Dr, Ladera Ranch, CA 92694 — (657) 229-9349 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[CARB Compliance Tester](https://ctcfinder.com/tester/carb-compliance-tester-irvine/)** — Irvine, CA 92618 — (916) 753-6509 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Larry Backstrom](https://ctcfinder.com/tester/larry-backstrom-irvine/)** — Irvine, CA 92618 — (949) 309-3737 — 8 mi. Services: not listed. - **[Robert Nickel](https://ctcfinder.com/tester/robert-nickel-irvine/)** — Irvine, CA 92618 — (949) 837-8736 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Chad Harding](https://ctcfinder.com/tester/chad-harding-san-juan-capistrano/)** — San Juan Capistrano, CA 92675 — (949) 212-2352 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Rancho Santa Margarita 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 Rancho Santa Margarita? CTC Finder lists 3 testing businesses in Rancho Santa Margarita from CARB's public tester list (3 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 Rancho Santa Margarita? Yes. 2 listed businesses in Rancho Santa Margarita 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 Rancho Santa Margarita? 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 - [Mission Viejo](https://ctcfinder.com/testers/orange-county/mission-viejo/) — 3 listings, 3 mi - [Lake Forest](https://ctcfinder.com/testers/orange-county/lake-forest/) — 3 listings, 5 mi - [Irvine](https://ctcfinder.com/testers/orange-county/irvine/) — 7 listings, 10 mi - [Tustin](https://ctcfinder.com/testers/orange-county/tustin/) — 3 listings, 14 mi - [Lake Elsinore](https://ctcfinder.com/testers/riverside-county/lake-elsinore/) — 8 listings, 15 mi - [Corona](https://ctcfinder.com/testers/riverside-county/corona/) — 18 listings, 16 mi - [Santa Ana](https://ctcfinder.com/testers/orange-county/santa-ana/) — 14 listings, 16 mi - [Costa Mesa](https://ctcfinder.com/testers/orange-county/costa-mesa/) — 6 listings, 18 mi - [Orange](https://ctcfinder.com/testers/orange-county/orange/) — 14 listings, 18 mi - [Wildomar](https://ctcfinder.com/testers/riverside-county/wildomar/) — 5 listings, 20 mi