--- title: "Clean Truck Check Testers in Carson, CA (6 listed)" description: "Find 6 CARB-credentialed Clean Truck Check testers in Carson, Los Angeles County: 6 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/los-angeles-county/carson/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Carson, CA 6 testing businesses in Carson (Los Angeles County) are on CARB's public Clean Truck Check tester list (7 credentialed testers). 6 offer mobile testing, 1 do smoke opacity tests, 4 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 Carson - **[CARB Emission Services INC](https://ctcfinder.com/tester/carb-emission-services-inc-carson/)** — 20850 Leapwood Ave, Carson, CA 90746 — (562) 625-0225. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ace Mobile Truck Smog](https://ctcfinder.com/tester/ace-mobile-truck-smog-carson/)** — 19403 Galway Ave, Carson, CA 90746 — (917) 573-7599. Services: mobile testing, OBD testing. - **[Bravo - Mobile - Los Angeles/OC](https://ctcfinder.com/tester/bravo-mobile-los-angeles-oc-carson/)** — 24418 Main St Suite 411, Carson, CA 90745 — (310) 415-1665. Services: mobile testing, OBD testing, motorhome testing. - **[Bravo - Mobile Service Los Angeles](https://ctcfinder.com/tester/bravo-mobile-service-los-angeles-carson/)** — 24418 Main St Suite 411, Carson, CA 90745 — (310) 355-8701. Services: mobile testing, OBD testing, motorhome testing. - **[Carlos Torres](https://ctcfinder.com/tester/carlos-torres-carson/)** — Carson, CA 90745 — (310) 749-8389. Services: mobile testing, OBD testing, motorhome testing. - **[Jocelin Sanchez Cruz](https://ctcfinder.com/tester/jocelin-sanchez-cruz-carson/)** — Carson, CA 90745 — (562) 528-9259. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[J&M Truck Electrical Repair INC.](https://ctcfinder.com/tester/j-and-m-truck-electrical-repair-inc-long-beach/)** — 2619 East Jackson Street, Long Beach, CA 90810 — (626) 625-8565 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Tammy Lockett](https://ctcfinder.com/tester/tammy-lockett-long-beach/)** — Long Beach, CA 90810 — (562) 477-8702 — 2 mi. Services: mobile testing, OBD testing. - **[Anguiano clean truck](https://ctcfinder.com/tester/anguiano-clean-truck-torrance/)** — 21727 S Western Ave, Torrance, CA 90501 — (310) 222-8622 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[DF Systems](https://ctcfinder.com/tester/df-systems-torrance/)** — 2463 W 208th St Suite 203, Torrance, CA 90501 — (213) 309-4449 — 3 mi. Services: mobile testing, OBD testing. - **[MnKEIS](https://ctcfinder.com/tester/mnkeis-torrance/)** — 1647 W 214th St, Torrance, CA 90501 — (310) 809-2791 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Myosha Lair](https://ctcfinder.com/tester/myosha-lair-torrance/)** — Torrance, CA 90501 — (424) 287-8303 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Rhiannon Grageda](https://ctcfinder.com/tester/rhiannon-grageda-torrance/)** — Torrance, CA 90501 — (424) 772-8948 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[C1 Testing](https://ctcfinder.com/tester/c1-testing-harbor-city/)** — 1404 257th St, Harbor City, CA 90710 — (424) 404-3703 — 3 mi. Services: mobile testing, OBD testing. - **[Brothers Fleet Service, Inc](https://ctcfinder.com/tester/brothers-fleet-service-inc-gardena/)** — 16502 S Broadway, Gardena, CA 90248 — (310) 930-8451 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[M.T. Mobile Field Services](https://ctcfinder.com/tester/m-t-mobile-field-services-gardena/)** — 16323 S Broadway, Gardena, CA 90248 — (310) 515-5009 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Sergio Garcia](https://ctcfinder.com/tester/sergio-garcia-gardena/)** — Gardena, CA 90248 — (310) 502-5229 — 3 mi. Services: mobile testing. - **[The Family Smog Check](https://ctcfinder.com/tester/the-family-smog-check-gardena/)** — 314 W Redondo Beach Blvd, Gardena, CA 90248 — (310) 365-9919 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Carson Carson sits between the I-405 and I-110 near the San Pedro Bay ports and has many container and chassis yards serving drayage trucks. Los Angeles County has more listed testers than any other county. Seaports and intermodal railyards, including the Ports of Los Angeles and Long Beach, must verify Clean Truck Check compliance at entry or log non-compliant trucks (CARB). ## 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 Carson? CTC Finder lists 6 testing businesses in Carson from CARB's public tester list (7 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 Carson? Yes. 6 listed businesses in Carson 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 Carson? 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 - [Wilmington](https://ctcfinder.com/testers/los-angeles-county/wilmington/) — 12 listings, 4 mi - [Gardena](https://ctcfinder.com/testers/los-angeles-county/gardena/) — 7 listings, 4 mi - [Torrance](https://ctcfinder.com/testers/los-angeles-county/torrance/) — 11 listings, 4 mi - [Compton](https://ctcfinder.com/testers/los-angeles-county/compton/) — 11 listings, 5 mi - [Long Beach](https://ctcfinder.com/testers/los-angeles-county/long-beach/) — 26 listings, 5 mi - [Signal Hill](https://ctcfinder.com/testers/los-angeles-county/signal-hill/) — 3 listings, 6 mi - [Lawndale](https://ctcfinder.com/testers/los-angeles-county/lawndale/) — 4 listings, 6 mi - [Paramount](https://ctcfinder.com/testers/los-angeles-county/paramount/) — 3 listings, 7 mi - [Lynwood](https://ctcfinder.com/testers/los-angeles-county/lynwood/) — 6 listings, 7 mi - [Hawthorne](https://ctcfinder.com/testers/los-angeles-county/hawthorne/) — 5 listings, 8 mi