--- title: "Clean Truck Check Testers in Porterville, CA (6 listed)" description: "Find 6 CARB-credentialed Clean Truck Check testers in Porterville, Tulare County: 5 offer mobile testing, 5 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/tulare-county/porterville/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Porterville, CA 6 testing businesses in Porterville (Tulare County) are on CARB's public Clean Truck Check tester list (6 credentialed testers). 5 offer mobile testing, 5 do smoke opacity tests, 4 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 Porterville - **[Becca Davis](https://ctcfinder.com/tester/becca-davis-porterville/)** — Porterville, CA 93257 — (559) 699-5150. Services: mobile testing, smoke opacity (non-OBD) testing. - **[Coast Counties Peterbilt Porterville](https://ctcfinder.com/tester/coast-counties-peterbilt-porterville-porterville/)** — 15243 Road 192, Porterville, CA 93257 — (559) 310-4869. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[DeBoer and Sons Trucking](https://ctcfinder.com/tester/deboer-and-sons-trucking-porterville/)** — 2553 W Michelle Ln, Porterville, CA 93257 — (559) 359-1927. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Isaias Rios](https://ctcfinder.com/tester/isaias-rios-porterville/)** — Porterville, CA 93257 — (661) 750-9857. Services: OBD testing. - **[J’s Heavy Emissions Testing](https://ctcfinder.com/tester/js-heavy-emissions-testing-porterville/)** — 381 W Henderson Ave, Porterville, CA 93257 — (559) 350-4262. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jackie Scruggs jr](https://ctcfinder.com/tester/jackie-scruggs-jr-porterville/)** — Porterville, CA 93257 — (559) 544-5518. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Alcantar Truck and Diesel Services](https://ctcfinder.com/tester/alcantar-truck-and-diesel-services-terra-bella/)** — 25500 Avenue 88, Terra Bella, CA 93270 — (559) 719-0667 — 10 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[J and J diesel repair Inc.](https://ctcfinder.com/tester/j-and-j-diesel-repair-inc-terra-bella/)** — 9031 Road 248, Terra Bella, CA 93270 — (559) 719-7782 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Lemus truck testing](https://ctcfinder.com/tester/lemus-truck-testing-strathmore/)** — 23110 Avenue 192, Strathmore, CA 93267 — (559) 361-6658 — 15 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Samuel Aguilera](https://ctcfinder.com/tester/samuel-aguilera-strathmore/)** — Strathmore, CA 93267 — (559) 333-0375 — 15 mi. Services: mobile testing, OBD testing. - **[Eduardo Cisneros](https://ctcfinder.com/tester/eduardo-cisneros-lindsay/)** — Lindsay, CA 93247 — (559) 310-2872 — 19 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ag Land Development](https://ctcfinder.com/tester/ag-land-development-springville/)** — 34650 La Paloma Dr, Springville, CA 93265 — (559) 713-8676 — 20 mi. Services: mobile testing, OBD testing. - **[Ag Land Development LLC](https://ctcfinder.com/tester/ag-land-development-llc-springville/)** — 34650 La Paloma Dr, Springville, CA 93265 — (559) 359-7207 — 20 mi. Services: mobile testing, OBD testing. ## Trucking in Porterville Tulare County's dairy and agricultural fleets make up much of the local demand. Agricultural vehicles test once 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 Porterville? CTC Finder lists 6 testing businesses in Porterville from CARB's public tester list (6 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 Porterville? Yes. 5 listed businesses in Porterville 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 Porterville? 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 - [Delano](https://ctcfinder.com/testers/kern-county/delano/) — 6 listings, 22 mi - [Pixley](https://ctcfinder.com/testers/tulare-county/pixley/) — 3 listings, 24 mi - [Tulare](https://ctcfinder.com/testers/tulare-county/tulare/) — 10 listings, 31 mi - [Visalia](https://ctcfinder.com/testers/tulare-county/visalia/) — 19 listings, 34 mi