--- title: "Clean Truck Check Testers in Compton, CA (11 listed)" description: "Find 11 CARB-credentialed Clean Truck Check testers in Compton, Los Angeles County: 10 offer mobile testing, 6 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/los-angeles-county/compton/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Compton, CA 11 testing businesses in Compton (Los Angeles County) are on CARB's public Clean Truck Check tester list (13 credentialed testers). 10 offer mobile testing, 6 do smoke opacity tests, 11 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 Compton - **[ED'S VEHICLE SAFETY Bernardo H Soria](https://ctcfinder.com/tester/eds-vehicle-safety-bernardo-h-soria-compton/)** — 15514 South Atlantic Avenue, Compton, CA 90221 — (310) 537-9786. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Betty Soria](https://ctcfinder.com/tester/betty-soria-compton/)** — Compton, CA 90221 — (562) 618-7618. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Commercial Regulatory Management](https://ctcfinder.com/tester/commercial-regulatory-management-compton/)** — 1501 N Rose Ave, Compton, CA 90221 — (562) 922-5380. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Intermodal Insurance Agency](https://ctcfinder.com/tester/intermodal-insurance-agency-compton/)** — 250 West Walnut Street, Compton, CA 90220 — (213) 503-1330. Services: mobile testing, OBD testing, motorhome testing. - **[Joe Soria](https://ctcfinder.com/tester/joe-soria-compton/)** — Compton, CA 90221 — (310) 537-2400. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Kings Smog Test Only Station](https://ctcfinder.com/tester/kings-smog-test-only-station-compton/)** — 1012 South Long Beach Boulevard, Compton, CA 90221 — (323) 828-3709. Services: mobile testing, OBD testing, motorhome testing. - **[Marlon A Sosa](https://ctcfinder.com/tester/marlon-a-sosa-compton/)** — Compton, CA 90221 — (323) 637-1603. Services: mobile testing, OBD testing, motorhome testing. - **[Sebastian Ramirez](https://ctcfinder.com/tester/sebastian-ramirez-compton/)** — Compton, CA 90220 — (424) 867-3654. Services: mobile testing, OBD testing, motorhome testing. - **[SIA Auto](https://ctcfinder.com/tester/sia-auto-compton/)** — 2120 E Rosecrans Ave, Compton, CA 90221 — (213) 413-6070. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Smith Trucking & Logistics](https://ctcfinder.com/tester/smith-trucking-and-logistics-compton/)** — 1816 East Saunders Street, Compton, CA 90221 — (424) 233-7411. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[So Cal CARB](https://ctcfinder.com/tester/so-cal-carb-compton/)** — 640 West Knopf Street, Compton, CA 90222 — (424) 222-7722. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Diesel](https://ctcfinder.com/tester/diesel-long-beach/)** — 442 E Janice St, Long Beach, CA 90805 — (562) 335-0781 — 2 mi. Services: mobile testing. - **[EverRockSmog](https://ctcfinder.com/tester/everrocksmog-long-beach/)** — 455 E Artesia Blvd, Long Beach, CA 90805 — (562) 977-9434 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Kevin Santos](https://ctcfinder.com/tester/kevin-santos-long-beach/)** — Long Beach, CA 90805 — (562) 443-1481 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Long Beach Truck Repair Center](https://ctcfinder.com/tester/long-beach-truck-repair-center-long-beach/)** — 6574 N Paramount Blvd, Long Beach, CA 90805 — (562) 881-6828 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Mobile Fleet Compliance Co](https://ctcfinder.com/tester/mobile-fleet-compliance-co-long-beach/)** — 5438 Long Beach Blvd, Long Beach, CA 90805 — (562) 756-1316 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[SoCal Clean Truck Check](https://ctcfinder.com/tester/socal-clean-truck-check-long-beach/)** — 6319 Lemon Avenue, Long Beach, CA 90805 — (562) 507-1314 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Yovanni Nuno](https://ctcfinder.com/tester/yovanni-nuno-long-beach/)** — Long Beach, CA 90805 — (562) 314-6850 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Alvaro Gonzalez](https://ctcfinder.com/tester/alvaro-gonzalez-lynwood/)** — Lynwood, CA 90262 — (323) 893-7747 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Car Depot Smog Check and Registrations](https://ctcfinder.com/tester/car-depot-smog-check-and-registrations-lynwood/)** — Lynwood, CA 90262 — (310) 638-1104 — 3 mi. Services: OBD testing. - **[Carlos Granados](https://ctcfinder.com/tester/carlos-granados-lynwood/)** — Lynwood, CA 90262 — (323) 603-9230 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Enrique Esquivel](https://ctcfinder.com/tester/enrique-esquivel-lynwood/)** — Lynwood, CA 90262 — (323) 350-9232 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Heavy duty CTC](https://ctcfinder.com/tester/heavy-duty-ctc-lynwood/)** — 10965 Pope Avenue, Lynwood, CA 90262 — (323) 413-0299 — 3 mi. Services: mobile testing, OBD testing. ## Trucking in Compton 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 Compton? CTC Finder lists 11 testing businesses in Compton from CARB's public tester list (13 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 Compton? Yes. 10 listed businesses in Compton 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 Compton? 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 - [Lynwood](https://ctcfinder.com/testers/los-angeles-county/lynwood/) — 6 listings, 3 mi - [Paramount](https://ctcfinder.com/testers/los-angeles-county/paramount/) — 3 listings, 3 mi - [South Gate](https://ctcfinder.com/testers/los-angeles-county/south-gate/) — 13 listings, 4 mi - [Gardena](https://ctcfinder.com/testers/los-angeles-county/gardena/) — 7 listings, 5 mi - [Carson](https://ctcfinder.com/testers/los-angeles-county/carson/) — 6 listings, 5 mi - [Bellflower](https://ctcfinder.com/testers/los-angeles-county/bellflower/) — 8 listings, 5 mi - [Long Beach](https://ctcfinder.com/testers/los-angeles-county/long-beach/) — 26 listings, 6 mi - [Lakewood](https://ctcfinder.com/testers/los-angeles-county/lakewood/) — 4 listings, 6 mi - [Bell Gardens](https://ctcfinder.com/testers/los-angeles-county/bell-gardens/) — 5 listings, 6 mi - [Huntington Park](https://ctcfinder.com/testers/los-angeles-county/huntington-park/) — 10 listings, 6 mi