--- title: "Clean Truck Check Testers in Moorpark, CA (4 listed)" description: "Find 4 CARB-credentialed Clean Truck Check testers in Moorpark, Ventura County: 4 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/ventura-county/moorpark/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Moorpark, CA 4 testing businesses in Moorpark (Ventura County) are on CARB's public Clean Truck Check tester list (4 credentialed testers). 4 offer mobile testing, 2 do smoke opacity tests, 3 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 Moorpark - **[Hi-Tech Auto](https://ctcfinder.com/tester/hi-tech-auto-moorpark/)** — 13806 Princeton Ave, Moorpark, CA 93021 — (805) 813-1145. Services: mobile testing, OBD testing, motorhome testing. - **[Kaylee Wale](https://ctcfinder.com/tester/kaylee-wale-moorpark/)** — Moorpark, CA 93021 — (805) 416-6230. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Moorpark Diesel LLC](https://ctcfinder.com/tester/moorpark-diesel-llc-moorpark/)** — 619 Fitch Ave, Moorpark, CA 93021 — (805) 891-3313. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Rodriguez Trucking Mobile Diesel Repair](https://ctcfinder.com/tester/rodriguez-trucking-mobile-diesel-repair-moorpark/)** — 6416 N Duke St, Moorpark, CA 93021 — (805) 279-7743. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[A1 Emissions](https://ctcfinder.com/tester/a1-emissions-simi-valley/)** — 1933 3rd St, Simi Valley, CA 93065 — (805) 857-1085 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Juans Truck Smog](https://ctcfinder.com/tester/juans-truck-smog-simi-valley/)** — 679 E Easy St, Simi Valley, CA 93065 — (442) 322-0055 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[KC Truck Smog](https://ctcfinder.com/tester/kc-truck-smog-simi-valley/)** — 939 Talbert Ave, Simi Valley, CA 93065 — (805) 404-8842 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Simi Smog Doc](https://ctcfinder.com/tester/simi-smog-doc-simi-valley/)** — 1382 E Los Angeles Ave Suite C, Simi Valley, CA 93065 — (805) 509-3143 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Standby Truck Testing](https://ctcfinder.com/tester/standby-truck-testing-simi-valley/)** — 841 Greenbriar Ave, Simi Valley, CA 93065 — (805) 625-4872 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Truck/motorhome CTC](https://ctcfinder.com/tester/truck-motorhome-ctc-simi-valley/)** — 679 E Easy St, Simi Valley, CA 93065 — (805) 638-3911 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Angel Gonzalez](https://ctcfinder.com/tester/angel-gonzalez-fillmore/)** — Fillmore, CA 93015 — (805) 921-5538 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Michael Gil](https://ctcfinder.com/tester/michael-gil-thousand-oaks/)** — Thousand Oaks, CA 91362 — (424) 373-2726 — 9 mi. Services: mobile testing, OBD testing. - **[Roys Towing](https://ctcfinder.com/tester/roys-towing-thousand-oaks/)** — 1344 E Thousand Oaks Blvd, Thousand Oaks, CA 91362 — (805) 443-6639 — 9 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Smogz4less-ctc](https://ctcfinder.com/tester/smogz4less-ctc-thousand-oaks/)** — 3111 E Thousand Oaks Blvd#5A, Thousand Oaks, CA 91362 — (805) 670-3883 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Dario Medina](https://ctcfinder.com/tester/dario-medina-camarillo/)** — Camarillo, CA 93012 — (805) 890-1594 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Emergency Mobile Truck Repair](https://ctcfinder.com/tester/emergency-mobile-truck-repair-camarillo/)** — 437 S Dawson Dr, Camarillo, CA 93012 — (805) 444-5202 — 9 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Moorpark 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 Moorpark? CTC Finder lists 4 testing businesses in Moorpark from CARB's public tester list (4 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 Moorpark? Yes. 4 listed businesses in Moorpark 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 Moorpark? 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 - [Simi Valley](https://ctcfinder.com/testers/ventura-county/simi-valley/) — 8 listings, 8 mi - [Thousand Oaks](https://ctcfinder.com/testers/ventura-county/thousand-oaks/) — 3 listings, 9 mi - [Newbury Park](https://ctcfinder.com/testers/ventura-county/newbury-park/) — 3 listings, 10 mi - [Camarillo](https://ctcfinder.com/testers/ventura-county/camarillo/) — 5 listings, 11 mi - [Santa Paula](https://ctcfinder.com/testers/ventura-county/santa-paula/) — 5 listings, 13 mi - [Chatsworth](https://ctcfinder.com/testers/los-angeles-county/chatsworth/) — 4 listings, 16 mi - [Oxnard](https://ctcfinder.com/testers/ventura-county/oxnard/) — 22 listings, 17 mi - [Valencia](https://ctcfinder.com/testers/los-angeles-county/valencia/) — 5 listings, 20 mi - [Ventura](https://ctcfinder.com/testers/ventura-county/ventura/) — 14 listings, 20 mi - [Northridge](https://ctcfinder.com/testers/los-angeles-county/northridge/) — 3 listings, 21 mi