--- title: "Clean Truck Check Testers in Phelan, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Phelan, San Bernardino County: 1 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/san-bernardino-county/phelan/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Phelan, CA 3 testing businesses in Phelan (San Bernardino County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 1 offer mobile testing, 1 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 Phelan - **[High Desert Mechanical Services](https://ctcfinder.com/tester/high-desert-mechanical-services-phelan/)** — 5383 Duncan Rd, Phelan, CA 92371 — (909) 556-5413. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jacob LaCroix](https://ctcfinder.com/tester/jacob-lacroix-phelan/)** — Phelan, CA 92371 — (760) 822-4170. Services: not listed. - **[Phelan Express](https://ctcfinder.com/tester/phelan-express-phelan/)** — 9446 Sheep Creek Rd, Phelan, CA 92371 — (760) 868-4455. Services: OBD testing, motorhome testing. ## More testers within 20 miles - **[Landmax Services LLC](https://ctcfinder.com/tester/landmax-services-llc-pinon-hills/)** — 515 Palmdale Rd, Pinon Hills, CA 92372 — (775) 990-2036 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Plan b auto repair](https://ctcfinder.com/tester/plan-b-auto-repair-pinon-hills/)** — 1820 Danbury Rd, Pinon Hills, CA 92372 — (626) 664-4558 — 5 mi. Services: mobile testing, OBD testing. - **[Akaal](https://ctcfinder.com/tester/akaal-victorville/)** — 12350 Ojo Caliente St, Victorville, CA 92392 — (442) 229-3740 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Christine Shelton](https://ctcfinder.com/tester/christine-shelton-victorville/)** — Victorville, CA 92392 — (909) 277-1916 — 8 mi. Services: mobile testing, OBD testing. - **[Credentialed tester in Victorville](https://ctcfinder.com/tester/credentialed-tester-in-victorville-victorville/)** — Victorville, CA 92392 — (951) 255-5656 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Erik Reyes](https://ctcfinder.com/tester/erik-reyes-victorville/)** — Victorville, CA 92392 — (909) 994-3420 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Cortez & Co LLC](https://ctcfinder.com/tester/cortez-and-co-llc-hesperia/)** — 13873 Plantain St, Hesperia, CA 92344 — (909) 637-7959 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[DSB Cargo INC](https://ctcfinder.com/tester/dsb-cargo-inc-hesperia/)** — 9466 Agave Dr, Hesperia, CA 92344 — (669) 255-3832 — 8 mi. Services: mobile testing, OBD testing. - **[FleetCrew INC..](https://ctcfinder.com/tester/fleetcrew-inc-hesperia/)** — 8899 Three Flags Rd, Hesperia, CA 92344 — (949) 624-4644 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jdmobile](https://ctcfinder.com/tester/jdmobile-hesperia/)** — 13009 Tehachapi St, Hesperia, CA 92344 — (818) 239-9457 — 8 mi. Services: OBD testing. - **[Frank Cadilli](https://ctcfinder.com/tester/frank-cadilli-oak-hills/)** — Oak Hills, CA 92344 — (760) 995-6242 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[LH](https://ctcfinder.com/tester/lh-oak-hills/)** — 12005 Lamplighter Ln, Oak Hills, CA 92344 — (760) 553-3788 — 8 mi. Services: mobile testing, OBD testing. ## Trucking in Phelan San Bernardino County covers most of the Inland Empire warehouse belt (Fontana, Ontario, Rialto, San Bernardino) and the High Desert along I-15. The Inland Empire holds roughly a billion square feet of warehouse space (Pitzer College estimate), so local fleets and owner-operators run a high volume of tests. Mobile testers who visit distribution centers and truck yards are common here. ## 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 Phelan? CTC Finder lists 3 testing businesses in Phelan 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 Phelan? Yes. 1 listed business in Phelan 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 Phelan? 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 - [Oak Hills](https://ctcfinder.com/testers/san-bernardino-county/oak-hills/) — 4 listings, 8 mi - [Victorville](https://ctcfinder.com/testers/san-bernardino-county/victorville/) — 9 listings, 11 mi - [Hesperia](https://ctcfinder.com/testers/san-bernardino-county/hesperia/) — 20 listings, 13 mi - [Adelanto](https://ctcfinder.com/testers/san-bernardino-county/adelanto/) — 3 listings, 15 mi - [Azusa](https://ctcfinder.com/testers/los-angeles-county/azusa/) — 7 listings, 18 mi - [Rancho Cucamonga](https://ctcfinder.com/testers/san-bernardino-county/rancho-cucamonga/) — 18 listings, 21 mi - [Apple Valley](https://ctcfinder.com/testers/san-bernardino-county/apple-valley/) — 11 listings, 23 mi - [Claremont](https://ctcfinder.com/testers/los-angeles-county/claremont/) — 4 listings, 24 mi - [La Verne](https://ctcfinder.com/testers/los-angeles-county/la-verne/) — 3 listings, 24 mi - [Rialto](https://ctcfinder.com/testers/san-bernardino-county/rialto/) — 18 listings, 24 mi