--- title: "Clean Truck Check Testers in Mendota, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Mendota, Fresno County: 2 offer mobile testing, 0 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/fresno-county/mendota/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Mendota, CA 3 testing businesses in Mendota (Fresno County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 2 offer mobile testing, 0 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 Mendota - **[Gonzalez Towing & Transport](https://ctcfinder.com/tester/gonzalez-towing-and-transport-mendota/)** — 1297 Oller St, Mendota, CA 93640 — (559) 351-3549. Services: mobile testing, OBD testing. - **[Martin Navarro](https://ctcfinder.com/tester/martin-navarro-mendota/)** — Mendota, CA 93640 — (559) 567-3490. Services: mobile testing, OBD testing, motorhome testing. - **[Mendota 1 Smog](https://ctcfinder.com/tester/mendota-1-smog-mendota/)** — 836 Oller St, Mendota, CA 93640 — (559) 355-0359. Services: OBD testing, motorhome testing. ## More testers within 20 miles - **[Eppler Truck Service](https://ctcfinder.com/tester/eppler-truck-service-firebaugh/)** — 1459 Saipan Ave, Firebaugh, CA 93622 — (559) 351-4093 — 13 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Eric Sanabria](https://ctcfinder.com/tester/eric-sanabria-firebaugh/)** — Firebaugh, CA 93622 — (559) 232-4589 — 13 mi. Services: not listed. - **[Cadaber Diesel Repair](https://ctcfinder.com/tester/cadaber-diesel-repair-kerman/)** — 17073 W Nielsen Ave, Kerman, CA 93630 — (559) 301-8284 — 18 mi. Services: mobile testing, OBD testing. - **[Charles Nulick](https://ctcfinder.com/tester/charles-nulick-kerman/)** — Kerman, CA 93630 — (559) 906-9302 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Pimentel CTC](https://ctcfinder.com/tester/pimentel-ctc-kerman/)** — Kerman, CA 93630 — (559) 716-7281 — 18 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Mendota Fresno County is the agricultural heart of the San Joaquin Valley. Agricultural vehicles test once a year; other trucks test twice a year. ## 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 Mendota? CTC Finder lists 3 testing businesses in Mendota 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 Mendota? Yes. 2 listed businesses in Mendota 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 Mendota? 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 - [Kerman](https://ctcfinder.com/testers/fresno-county/kerman/) — 3 listings, 18 mi - [Dos Palos](https://ctcfinder.com/testers/merced-county/dos-palos/) — 4 listings, 28 mi - [Madera](https://ctcfinder.com/testers/madera-county/madera/) — 15 listings, 30 mi - [Los Banos](https://ctcfinder.com/testers/merced-county/los-banos/) — 8 listings, 34 mi - [Fresno](https://ctcfinder.com/testers/fresno-county/fresno/) — 74 listings, 35 mi