--- title: "Clean Truck Check Testers in Oxnard, CA (22 listed)" description: "Find 22 CARB-credentialed Clean Truck Check testers in Oxnard, Ventura County: 19 offer mobile testing, 5 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/ventura-county/oxnard/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Oxnard, CA 22 testing businesses in Oxnard (Ventura County) are on CARB's public Clean Truck Check tester list (23 credentialed testers). 19 offer mobile testing, 5 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 Oxnard - **[J.J.'s Smog](https://ctcfinder.com/tester/j-j-s-smog-oxnard/)** — 1281 S Oxnard Blvd, Oxnard, CA 93030 — (805) 216-5284. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Big Rig Smog II](https://ctcfinder.com/tester/big-rig-smog-ii-oxnard/)** — 202 S Oxnard Blvd, Oxnard, CA 93030 — (805) 638-3911. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Certified CTC Testing](https://ctcfinder.com/tester/certified-ctc-testing-oxnard/)** — 3451 Jupiter Ct, Oxnard, CA 93030 — (805) 624-0770. Services: mobile testing, OBD testing, motorhome testing. - **[Conley Clean Truck Check](https://ctcfinder.com/tester/conley-clean-truck-check-oxnard/)** — 456 Walnut Dr, Oxnard, CA 93036 — (805) 766-9866. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Denise Baca](https://ctcfinder.com/tester/denise-baca-oxnard/)** — Oxnard, CA 93033 — (805) 703-8513. Services: mobile testing, OBD testing, motorhome testing. - **[Diesel smog Mobile service](https://ctcfinder.com/tester/diesel-smog-mobile-service-oxnard/)** — 1101 W Channel Islands Blvd, Oxnard, CA 93033 — (805) 843-2919. Services: mobile testing, OBD testing, motorhome testing. - **[DieselCTC](https://ctcfinder.com/tester/dieselctc-oxnard/)** — Oxnard, CA 93036 — (805) 832-1174. Services: mobile testing, OBD testing, motorhome testing. - **[Edward Otte](https://ctcfinder.com/tester/edward-otte-oxnard/)** — Oxnard, CA 93035 — (805) 558-4810. Services: mobile testing, OBD testing, motorhome testing. - **[Gallegos Mobile Auto Repair LLC](https://ctcfinder.com/tester/gallegos-mobile-auto-repair-llc-oxnard/)** — 144 E Date St, Oxnard, CA 93033 — (805) 612-8767. Services: mobile testing, OBD testing. - **[Gustavo servin](https://ctcfinder.com/tester/gustavo-servin-oxnard/)** — Oxnard, CA 93036 — (805) 233-0108. Services: OBD testing, smoke opacity (non-OBD) testing. - **[House Sanitary Supply](https://ctcfinder.com/tester/house-sanitary-supply-oxnard/)** — Oxnard, CA 93033 — (805) 366-1862. Services: not listed. - **[Isaac Lopez](https://ctcfinder.com/tester/isaac-lopez-oxnard/)** — Oxnard, CA 93036 — (805) 836-5098. Services: mobile testing, OBD testing, motorhome testing. - **[Ivan Juarez](https://ctcfinder.com/tester/ivan-juarez-oxnard/)** — Oxnard, CA 93030 — (805) 946-8357. Services: mobile testing, OBD testing. - **[Ivan Vazquez](https://ctcfinder.com/tester/ivan-vazquez-oxnard/)** — Oxnard, CA 93033 — (805) 825-7063. Services: mobile testing, OBD testing. - **[Juarez Clean Truck Check](https://ctcfinder.com/tester/juarez-clean-truck-check-oxnard/)** — 950 Mountain View Ave, Oxnard, CA 93030 — (805) 910-7116. Services: mobile testing, OBD testing. - **[Kristian Torres](https://ctcfinder.com/tester/kristian-torres-oxnard/)** — Oxnard, CA 93033 — (805) 422-9316. Services: mobile testing. - **[Marvin E Lopez](https://ctcfinder.com/tester/marvin-e-lopez-oxnard/)** — Oxnard, CA 93030 — (805) 236-6036. Services: mobile testing, OBD testing. - **[Mobile Opacity Testing](https://ctcfinder.com/tester/mobile-opacity-testing-oxnard/)** — 512 Niveo Lane 512 Niveo Lane, Oxnard, CA 93030 — (805) 612-5243. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ricardo Jimenez](https://ctcfinder.com/tester/ricardo-jimenez-oxnard/)** — Oxnard, CA 93036 — (805) 832-3308. Services: mobile testing, OBD testing. - **[Santana & Sons Transporta](https://ctcfinder.com/tester/santana-and-sons-transporta-oxnard/)** — 552 Nectarine St, Oxnard, CA 93033 — (805) 469-0647. Services: mobile testing, OBD testing. - **[Sohil Sepidehdam](https://ctcfinder.com/tester/sohil-sepidehdam-oxnard/)** — Oxnard, CA 93033 — (805) 488-4860. Services: OBD testing, motorhome testing. - **[Victor Chavez Robles](https://ctcfinder.com/tester/victor-chavez-robles-oxnard/)** — Oxnard, CA 93030 — (805) 890-4553. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[SNH Transport](https://ctcfinder.com/tester/snh-transport-port-hueneme/)** — 157E Scott Street ##404, Port Hueneme, CA 93041 — (818) 578-9700 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Cali Mobile CTC](https://ctcfinder.com/tester/cali-mobile-ctc-camarillo/)** — 835 Calle la Palmera, Camarillo, CA 93010 — (805) 910-7886 — 5 mi. Services: mobile testing, OBD testing. - **[Elite Mobile Clean Truck Check](https://ctcfinder.com/tester/elite-mobile-clean-truck-check-camarillo/)** — 835 Calle la Palmera, Camarillo, CA 93010 — (805) 568-8330 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Tyler Tejeda](https://ctcfinder.com/tester/tyler-tejeda-camarillo/)** — Camarillo, CA 93010 — (805) 340-3594 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Macias Mobile Repair](https://ctcfinder.com/tester/macias-mobile-repair-ventura/)** — Ventura, CA 93004 — (760) 560-6523 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Michael Attema](https://ctcfinder.com/tester/michael-attema-ventura/)** — Ventura, CA 93004 — (805) 797-0570 — 6 mi. Services: mobile testing, OBD testing. - **[MP Enterprises](https://ctcfinder.com/tester/mp-enterprises-ventura/)** — 9059 Neath St, Ventura, CA 93004 — (805) 797-4438 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Pablo Lefort](https://ctcfinder.com/tester/pablo-lefort-ventura/)** — Ventura, CA 93004 — (805) 407-8773 — 6 mi. Services: mobile testing, OBD testing. - **[Robert Logan](https://ctcfinder.com/tester/robert-logan-ventura/)** — Ventura, CA 93004 — (805) 891-7197 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Russell Repairs](https://ctcfinder.com/tester/russell-repairs-ventura/)** — Ventura, CA 93004 — (805) 320-3038 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Abdullah Kwara](https://ctcfinder.com/tester/abdullah-kwara-ventura/)** — Ventura, CA 93003 — (805) 823-3984 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Cornerstone Diesel Compliance](https://ctcfinder.com/tester/cornerstone-diesel-compliance-ventura/)** — 1569 Raccoon Ct, Ventura, CA 93003 — (661) 932-6468 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Oxnard Oxnard is home to the Port of Hueneme, with produce and auto-import trucking. Port facilities must verify Clean Truck Check compliance (CARB applies this to seaports). Ventura County includes the Port of Hueneme in Oxnard and agricultural trucking in the Oxnard Plain and Santa Clara River Valley. ## 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 Oxnard? CTC Finder lists 22 testing businesses in Oxnard from CARB's public tester list (23 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 Oxnard? Yes. 19 listed businesses in Oxnard 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 Oxnard? 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 - [Camarillo](https://ctcfinder.com/testers/ventura-county/camarillo/) — 5 listings, 7 mi - [Ventura](https://ctcfinder.com/testers/ventura-county/ventura/) — 14 listings, 9 mi - [Newbury Park](https://ctcfinder.com/testers/ventura-county/newbury-park/) — 3 listings, 12 mi - [Santa Paula](https://ctcfinder.com/testers/ventura-county/santa-paula/) — 5 listings, 13 mi - [Moorpark](https://ctcfinder.com/testers/ventura-county/moorpark/) — 4 listings, 17 mi - [Thousand Oaks](https://ctcfinder.com/testers/ventura-county/thousand-oaks/) — 3 listings, 19 mi - [Simi Valley](https://ctcfinder.com/testers/ventura-county/simi-valley/) — 8 listings, 24 mi - [Chatsworth](https://ctcfinder.com/testers/los-angeles-county/chatsworth/) — 4 listings, 32 mi - [Reseda](https://ctcfinder.com/testers/los-angeles-county/reseda/) — 5 listings, 35 mi - [Santa Barbara](https://ctcfinder.com/testers/santa-barbara-county/santa-barbara/) — 5 listings, 36 mi