--- title: "Clean Truck Check Testers in French Camp, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in French Camp, San Joaquin County: 3 offer mobile testing, 1 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/san-joaquin-county/french-camp/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in French Camp, CA 3 testing businesses in French Camp (San Joaquin County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 3 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 French Camp - **[First Class Service Trucking](https://ctcfinder.com/tester/first-class-service-trucking-french-camp/)** — 161 Transportation Ct, French Camp, CA 95231 — (209) 625-5700. Services: mobile testing, OBD testing, motorhome testing. - **[Jose Meneses](https://ctcfinder.com/tester/jose-meneses-french-camp/)** — French Camp, CA 95231 — (209) 640-4682. Services: mobile testing, OBD testing. - **[Leonel Acosta Jaime](https://ctcfinder.com/tester/leonel-acosta-jaime-french-camp/)** — French Camp, CA 95231 — (209) 623-5819. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Manvir Bhaura](https://ctcfinder.com/tester/manvir-bhaura-lathrop/)** — Lathrop, CA 95330 — (510) 695-4836 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Priscila Vasquez](https://ctcfinder.com/tester/priscila-vasquez-lathrop/)** — Lathrop, CA 95330 — (650) 315-2445 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Rajinder Singh](https://ctcfinder.com/tester/rajinder-singh-lathrop/)** — Lathrop, CA 95330 — (510) 557-6988 — 4 mi. Services: mobile testing, OBD testing. - **[Reliable Registration Svcs INC](https://ctcfinder.com/tester/reliable-registration-svcs-inc-lathrop/)** — 97 Darcy Pkwy, Lathrop, CA 95330 — (209) 670-5264 — 4 mi. Services: not listed. - **[Swift Transportation](https://ctcfinder.com/tester/swift-transportation-lathrop/)** — Lathrop, CA 95330 — (209) 910-7153 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Aaron Stagno](https://ctcfinder.com/tester/aaron-stagno-manteca/)** — Manteca, CA 95336 — (209) 595-6971 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Apex Mobile Truck & RV Check](https://ctcfinder.com/tester/apex-mobile-truck-and-rv-check-manteca/)** — 1230 Higton St, Manteca, CA 95336 — (925) 216-5330 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[ASR Truck Trailer Repair](https://ctcfinder.com/tester/asr-truck-trailer-repair-manteca/)** — 11151 Venture Way, Manteca, CA 95336 — (209) 905-4427 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Best Fleet Care INC](https://ctcfinder.com/tester/best-fleet-care-inc-manteca/)** — 578 Commerce Ct, Manteca, CA 95336 — (209) 414-1817 — 6 mi. Services: not listed. - **[CARB Testing & Compliance](https://ctcfinder.com/tester/carb-testing-and-compliance-manteca/)** — 616 Birchwood St, Manteca, CA 95336 — (209) 880-9940 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[David F Beltran](https://ctcfinder.com/tester/david-f-beltran-manteca/)** — Manteca, CA 95336 — (510) 760-1204 — 6 mi. Services: mobile testing, OBD testing. - **[Elite Mobile CTC](https://ctcfinder.com/tester/elite-mobile-ctc-manteca/)** — Manteca, CA 95336 — (209) 739-0161 — 6 mi. Services: mobile testing, OBD testing. ## Trucking in French Camp San Joaquin County (Stockton, Tracy, Manteca, Lathrop) is a major Northern California distribution-center region, with the Port of Stockton on the San Joaquin River. ## 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 French Camp? CTC Finder lists 3 testing businesses in French Camp 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 French Camp? Yes. 3 listed businesses in French Camp 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 French Camp? 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 - [Lathrop](https://ctcfinder.com/testers/san-joaquin-county/lathrop/) — 5 listings, 4 mi - [Stockton](https://ctcfinder.com/testers/san-joaquin-county/stockton/) — 50 listings, 7 mi - [Manteca](https://ctcfinder.com/testers/san-joaquin-county/manteca/) — 19 listings, 7 mi - [Ripon](https://ctcfinder.com/testers/san-joaquin-county/ripon/) — 3 listings, 12 mi - [Tracy](https://ctcfinder.com/testers/san-joaquin-county/tracy/) — 21 listings, 15 mi - [Escalon](https://ctcfinder.com/testers/san-joaquin-county/escalon/) — 10 listings, 16 mi - [Lodi](https://ctcfinder.com/testers/san-joaquin-county/lodi/) — 12 listings, 18 mi - [Modesto](https://ctcfinder.com/testers/stanislaus-county/modesto/) — 23 listings, 22 mi - [Brentwood](https://ctcfinder.com/testers/contra-costa-county/brentwood/) — 3 listings, 22 mi - [Oakley](https://ctcfinder.com/testers/contra-costa-county/oakley/) — 9 listings, 23 mi