--- title: "Clean Truck Check Testers in Shafter, CA (4 listed)" description: "Find 4 CARB-credentialed Clean Truck Check testers in Shafter, Kern County: 4 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/kern-county/shafter/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Shafter, CA 4 testing businesses in Shafter (Kern County) are on CARB's public Clean Truck Check tester list (4 credentialed testers). 4 offer mobile testing, 2 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 Shafter - **[BIT Compliance Assurance](https://ctcfinder.com/tester/bit-compliance-assurance-shafter/)** — 3308 Trail River Ln, Shafter, CA 93263 — (661) 742-7827. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[On Site Clean Truck Check Carb Testing](https://ctcfinder.com/tester/on-site-clean-truck-check-carb-testing-shafter/)** — 262 Rodriguez Ave, Shafter, CA 93263 — (661) 910-2585. Services: mobile testing, OBD testing, motorhome testing. - **[Perez Trans LLC.](https://ctcfinder.com/tester/perez-trans-llc-shafter/)** — 551 Drake Dr, Shafter, CA 93263 — (661) 978-1588. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Spencers Mobile Clean Truck Check llc](https://ctcfinder.com/tester/spencers-mobile-clean-truck-check-llc-shafter/)** — 214 Walnut St, Shafter, CA 93263 — (661) 581-5355. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Cal Testing Services Inc](https://ctcfinder.com/tester/cal-testing-services-inc-bakersfield/)** — 17306 Landeron Ct, Bakersfield, CA 93314 — (559) 259-7884 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[John Reichenberg](https://ctcfinder.com/tester/john-reichenberg-bakersfield/)** — Bakersfield, CA 93314 — (661) 820-2679 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Kern Clean Truck Inspections LLC](https://ctcfinder.com/tester/kern-clean-truck-inspections-llc-bakersfield/)** — 10112 Revere Beach Dr, Bakersfield, CA 93314 — (661) 563-1643 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ramon Gutierrez](https://ctcfinder.com/tester/ramon-gutierrez-bakersfield/)** — Bakersfield, CA 93314 — (661) 304-9910 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[USA Truck Sales LLC](https://ctcfinder.com/tester/usa-truck-sales-llc-bakersfield/)** — 12808 Snow Rd, Bakersfield, CA 93314 — (951) 557-8747 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[ARVEDI Trucking Inc](https://ctcfinder.com/tester/arvedi-trucking-inc-bakersfield/)** — 12017 Palm Ave, Bakersfield, CA 93312 — (661) 319-5543 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Camtservices](https://ctcfinder.com/tester/camtservices-bakersfield/)** — 8513 Rollingbay Dr, Bakersfield, CA 93312 — (661) 378-1240 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Lewis](https://ctcfinder.com/tester/lewis-bakersfield/)** — 3508 Beyers St, Bakersfield, CA 93312 — (661) 599-1399 — 11 mi. Services: mobile testing. - **[Mike Reed DOT Consulting](https://ctcfinder.com/tester/mike-reed-dot-consulting-bakersfield/)** — 3100 Chuckwagon St, Bakersfield, CA 93312 — (661) 319-4799 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mike's Testing](https://ctcfinder.com/tester/mikes-testing-bakersfield/)** — 10009 Palm Ave, Bakersfield, CA 93312 — (661) 302-7210 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Rosedale Mobile Truck Testing](https://ctcfinder.com/tester/rosedale-mobile-truck-testing-bakersfield/)** — 2125 Verdugo Ln, Bakersfield, CA 93312 — (661) 304-8976 — 11 mi. Services: mobile testing, OBD testing. - **[Teresa Scott-Valdez](https://ctcfinder.com/tester/teresa-scott-valdez-bakersfield/)** — Bakersfield, CA 93312 — (661) 742-7836 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Shafter Kern County, led by Bakersfield, mixes oil-field service, agriculture and long-haul trucking on SR-99, I-5 and SR-58. ## 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 Shafter? CTC Finder lists 4 testing businesses in Shafter 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 Shafter? Yes. 4 listed businesses in Shafter 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 Shafter? 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 - [Bakersfield](https://ctcfinder.com/testers/kern-county/bakersfield/) — 78 listings, 18 mi - [Delano](https://ctcfinder.com/testers/kern-county/delano/) — 6 listings, 21 mi - [Pixley](https://ctcfinder.com/testers/tulare-county/pixley/) — 3 listings, 34 mi