--- title: "Clean Truck Check Testers in Selma, CA (11 listed)" description: "Find 11 CARB-credentialed Clean Truck Check testers in Selma, Fresno County: 11 offer mobile testing, 4 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/fresno-county/selma/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Selma, CA 11 testing businesses in Selma (Fresno County) are on CARB's public Clean Truck Check tester list (11 credentialed testers). 11 offer mobile testing, 4 do smoke opacity tests, 5 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 Selma - **[CA Testing Services](https://ctcfinder.com/tester/ca-testing-services-selma/)** — 2205 1st St, Selma, CA 93662 — (559) 896-0500. Services: mobile testing, OBD testing, motorhome testing. - **[Chavarria CTC](https://ctcfinder.com/tester/chavarria-ctc-selma/)** — 7594 E Conejo Ave, Selma, CA 93662 — (559) 898-9070. Services: mobile testing, OBD testing, motorhome testing. - **[Colin Logistics - Mobile Clean Truck Check](https://ctcfinder.com/tester/colin-logistics-mobile-clean-truck-check-selma/)** — 2665 Tammy St, Selma, CA 93662 — (559) 819-9499. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Colin Transportation.](https://ctcfinder.com/tester/colin-transportation-selma/)** — Selma, CA 93662 — (559) 305-0218. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Crosspoint Repair Inc](https://ctcfinder.com/tester/crosspoint-repair-inc-selma/)** — 8298 E Dinuba Ave, Selma, CA 93662 — (559) 801-2578. Services: mobile testing, OBD testing. - **[Kevin Lopez Franco](https://ctcfinder.com/tester/kevin-lopez-franco-selma/)** — Selma, CA 93662 — (559) 257-9634. Services: mobile testing, OBD testing, motorhome testing. - **[Khalsa Transportation](https://ctcfinder.com/tester/khalsa-transportation-selma/)** — Selma, CA 93662 — (559) 860-8377. Services: mobile testing, OBD testing. - **[Leonel Gomez](https://ctcfinder.com/tester/leonel-gomez-selma/)** — Selma, CA 93662 — (559) 356-1531. Services: mobile testing. - **[Mobile Clean Truck Check*](https://ctcfinder.com/tester/mobile-clean-truck-check-selma/)** — 2665 Tammy St, Selma, CA 93662 — (559) 451-1495. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Mobile Truck & Trailer Repair](https://ctcfinder.com/tester/mobile-truck-and-trailer-repair-selma/)** — 3710 Columbia St, Selma, CA 93662 — (559) 930-2493. Services: mobile testing, OBD testing. - **[Oliva Aguilar](https://ctcfinder.com/tester/oliva-aguilar-selma/)** — Selma, CA 93662 — (559) 305-0260. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Diesel Emissions Fortified LLC](https://ctcfinder.com/tester/diesel-emissions-fortified-llc-fowler/)** — Fowler, CA 93625 — (559) 574-9585 — 6 mi. Services: mobile testing, OBD testing. - **[Diesel Specialties INC](https://ctcfinder.com/tester/diesel-specialties-inc-fowler/)** — 506 N 8th St, Fowler, CA 93625 — (559) 917-3096 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Pbviii](https://ctcfinder.com/tester/pbviii-fowler/)** — 1003 E Skylar Ave, Fowler, CA 93625 — (559) 558-7002 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Randeep Dhillon](https://ctcfinder.com/tester/randeep-dhillon-fowler/)** — Fowler, CA 93625 — (559) 593-3006 — 6 mi. Services: OBD testing. - **[Sukhpreet Aulakh](https://ctcfinder.com/tester/sukhpreet-aulakh-fowler/)** — Fowler, CA 93625 — (559) 906-5151 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[A & M Truck Compliance](https://ctcfinder.com/tester/a-and-m-truck-compliance-kingsburg/)** — 1501 Ventura St, Kingsburg, CA 93631 — (559) 859-9213 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Bryan truck services](https://ctcfinder.com/tester/bryan-truck-services-kingsburg/)** — 800 7th Avenue Dr, Kingsburg, CA 93631 — (559) 859-5866 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Coast Counties Peterbilt -East](https://ctcfinder.com/tester/coast-counties-peterbilt-east-fresno/)** — 4390 S Bagley Ave, Fresno, CA 93725 — (559) 930-9951 — 8 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Cost Per Mile](https://ctcfinder.com/tester/cost-per-mile-fresno/)** — Fresno, CA 93725 — (559) 321-1085 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Diesel Dynasty](https://ctcfinder.com/tester/diesel-dynasty-fresno/)** — 6251 E American Ave, Fresno, CA 93725 — (559) 514-4783 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Dullet Truck Terminal](https://ctcfinder.com/tester/dullet-truck-terminal-fresno/)** — 2778 S Willow Ave, Fresno, CA 93725 — (559) 575-6556 — 8 mi. Services: OBD testing, motorhome testing. - **[East Bay Tire](https://ctcfinder.com/tester/east-bay-tire-fresno/)** — 2955 S Orange Ave, Fresno, CA 93725 — (559) 217-2533 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Selma 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 Selma? CTC Finder lists 11 testing businesses in Selma from CARB's public tester list (11 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 Selma? Yes. 11 listed businesses in Selma 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 Selma? 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 - [Fowler](https://ctcfinder.com/testers/fresno-county/fowler/) — 5 listings, 6 mi - [Dinuba](https://ctcfinder.com/testers/tulare-county/dinuba/) — 4 listings, 14 mi - [Reedley](https://ctcfinder.com/testers/fresno-county/reedley/) — 4 listings, 16 mi - [Hanford](https://ctcfinder.com/testers/kings-county/hanford/) — 7 listings, 17 mi - [Fresno](https://ctcfinder.com/testers/fresno-county/fresno/) — 74 listings, 17 mi - [Lemoore](https://ctcfinder.com/testers/kings-county/lemoore/) — 5 listings, 20 mi - [Sanger](https://ctcfinder.com/testers/fresno-county/sanger/) — 4 listings, 22 mi - [Clovis](https://ctcfinder.com/testers/fresno-county/clovis/) — 9 listings, 23 mi - [Visalia](https://ctcfinder.com/testers/tulare-county/visalia/) — 19 listings, 23 mi - [Tulare](https://ctcfinder.com/testers/tulare-county/tulare/) — 10 listings, 29 mi