--- title: "Clean Truck Check Testers in Fontana, CA (49 listed)" description: "Find 49 CARB-credentialed Clean Truck Check testers in Fontana, San Bernardino County: 37 offer mobile testing, 14 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/san-bernardino-county/fontana/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Fontana, CA 49 testing businesses in Fontana (San Bernardino County) are on CARB's public Clean Truck Check tester list (54 credentialed testers). 37 offer mobile testing, 14 do smoke opacity tests, 23 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 Fontana - **[Advance Fleet Solution](https://ctcfinder.com/tester/advance-fleet-solution-fontana/)** — 14947 Cerritos Pl, Fontana, CA 92336 — (626) 664-5239. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Diesel Injection Service1](https://ctcfinder.com/tester/diesel-injection-service1-fontana/)** — 8482 Cherry Ave, Fontana, CA 92335 — (909) 213-5556. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[FleetCrew Inc.](https://ctcfinder.com/tester/fleetcrew-inc-fontana/)** — 14264 Valley Blvd, Fontana, CA 92335 — (949) 627-4644. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[AB Mobile CARB Test & Road Service LLC](https://ctcfinder.com/tester/ab-mobile-carb-test-and-road-service-llc-fontana/)** — 7320 GRACE ST, Fontana, CA 92336 — (562) 413-3594. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Amarjit Badhesa](https://ctcfinder.com/tester/amarjit-badhesa-fontana/)** — Fontana, CA 92336 — (805) 708-6463. Services: OBD testing, motorhome testing. - **[Big Truck & Equipment Sales](https://ctcfinder.com/tester/big-truck-and-equipment-sales-fontana/)** — 14557 Randall Ave, Fontana, CA 92335 — (562) 665-0536. Services: OBD testing. - **[Big Truck & Equipment Sales LLC](https://ctcfinder.com/tester/big-truck-and-equipment-sales-llc-fontana/)** — 14557 Randall Ave, Fontana, CA 92335 — (909) 600-7555. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Cintia Garcia](https://ctcfinder.com/tester/cintia-garcia-fontana/)** — Fontana, CA 92335 — (909) 642-5075. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Cortez Registration Service](https://ctcfinder.com/tester/cortez-registration-service-fontana/)** — 16846 Merrill Ave Ste 213, Fontana, CA 92335 — (909) 275-3375. Services: mobile testing, OBD testing. - **[Credentialed tester in Fontana](https://ctcfinder.com/tester/credentialed-tester-in-fontana-fontana/)** — Fontana, CA — (951) 953-1892. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Custom Truck One Source](https://ctcfinder.com/tester/custom-truck-one-source-fontana/)** — 14670 Randall Ave, Fontana, CA 92335 — (909) 835-2270. Services: mobile testing, OBD testing. - **[Danny or Rush Soberano or Rush](https://ctcfinder.com/tester/danny-or-rush-soberano-or-rush-fontana/)** — 14315 Valley Blvd, Fontana, CA 92335 — (909) 919-0319. Services: mobile testing, OBD testing. - **[Danny’s diesel repair inc.](https://ctcfinder.com/tester/dannys-diesel-repair-inc-fontana/)** — 14641 Hunter St, Fontana, CA 92335 — (909) 709-5897. Services: mobile testing, OBD testing. - **[Diesel kings clean truck check](https://ctcfinder.com/tester/diesel-kings-clean-truck-check-fontana/)** — 15055 El Molino St, Fontana, CA 92335 — (909) 230-0745. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Plates & Permits LLC](https://ctcfinder.com/tester/diesel-plates-and-permits-llc-fontana/)** — Fontana, CA 92335 — (909) 641-3748. Services: OBD testing. - **[Express Registration Services LLC](https://ctcfinder.com/tester/express-registration-services-llc-fontana/)** — 16036 Valley Blvd, Fontana, CA 92335 — (909) 333-1144. Services: OBD testing. - **[Felipe Causor jr](https://ctcfinder.com/tester/felipe-causor-jr-fontana/)** — Fontana, CA 92335 — (562) 233-7206. Services: mobile testing, OBD testing, motorhome testing. - **[Garage shop llc](https://ctcfinder.com/tester/garage-shop-llc-fontana/)** — Fontana, CA 92335 — (951) 220-3759. Services: mobile testing, OBD testing. - **[GE Truck Maintenance, Inc.](https://ctcfinder.com/tester/ge-truck-maintenance-inc-fontana/)** — 9980 Cherry Ave, Fontana, CA 92335 — (909) 257-7076. Services: OBD testing, motorhome testing. - **[Goldenwest Transport Refrigeration](https://ctcfinder.com/tester/goldenwest-transport-refrigeration-fontana/)** — 15115 Whittram Ave, Fontana, CA 92335 — (209) 242-3224. Services: mobile testing, OBD testing. - **[GV Trans INC](https://ctcfinder.com/tester/gv-trans-inc-fontana/)** — 14040 Slover Ave, Fontana, CA 92337 — (909) 746-3631. Services: mobile testing, OBD testing. - **[I.E.M.Services](https://ctcfinder.com/tester/i-e-m-services-fontana/)** — 8936 Hemlock Ave, Fontana, CA 92335 — (909) 641-6982. Services: mobile testing, OBD testing, motorhome testing. - **[I.R.P. Inc](https://ctcfinder.com/tester/i-r-p-inc-fontana/)** — 10010 Redwood Ave, Fontana, CA 92335 — (909) 428-2002. Services: mobile testing, OBD testing, motorhome testing. - **[Isabel Rios](https://ctcfinder.com/tester/isabel-rios-fontana/)** — Fontana, CA 92335 — (909) 275-2527. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[JC and Son](https://ctcfinder.com/tester/jc-and-son-fontana/)** — Fontana, CA 92335 — (909) 368-3808. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[JED Diesel Maintenance Inc](https://ctcfinder.com/tester/jed-diesel-maintenance-inc-fontana/)** — 15777 Valley Blvd Suite A, Fontana, CA 92335 — (909) 782-5792. Services: mobile testing, OBD testing. - **[Master's Transportation Inc. Alan Thomas](https://ctcfinder.com/tester/masters-transportation-inc-alan-thomas-fontana/)** — 11001 Beech Ave, Fontana, CA 92337 — (951) 403-0829. Services: mobile testing, OBD testing, motorhome testing. - **[Mech's Diesel Service](https://ctcfinder.com/tester/mechs-diesel-service-fontana/)** — 17004 Prospect Ave, Fontana, CA 92336 — (909) 368-8644. Services: mobile testing, OBD testing. - **[Mendoza mobile smog check](https://ctcfinder.com/tester/mendoza-mobile-smog-check-fontana/)** — 15435 Orchid St, Fontana, CA 92335 — (213) 965-0854. Services: mobile testing, OBD testing. - **[ML Diesel Fleet Solution](https://ctcfinder.com/tester/ml-diesel-fleet-solution-fontana/)** — 6136 Catawba Ave, Fontana, CA 92336 — (909) 314-9076. Services: mobile testing, OBD testing, motorhome testing. - **[Moses Alryan](https://ctcfinder.com/tester/moses-alryan-fontana/)** — Fontana, CA 92337 — (562) 392-2599. Services: mobile testing, OBD testing. - **[My Trucking Co](https://ctcfinder.com/tester/my-trucking-co-fontana/)** — 9341 Sultana Ave, Fontana, CA 92335 — (909) 900-6472. Services: mobile testing, OBD testing, motorhome testing. - **[NLN Transport, LLC.](https://ctcfinder.com/tester/nln-transport-llc-fontana/)** — 15996 Ceres Ave, Fontana, CA 92335 — (714) 749-5556. Services: mobile testing, OBD testing, motorhome testing. - **[PDR LLC](https://ctcfinder.com/tester/pdr-llc-fontana/)** — 7408 Topanga Ave, Fontana, CA 92336 — (909) 997-0750. Services: OBD testing. - **[Pete's Road Service LLC](https://ctcfinder.com/tester/petes-road-service-llc-fontana/)** — 14239 Valley Blvd, Fontana, CA 92335 — (714) 397-9824. Services: mobile testing, OBD testing, motorhome testing. - **[Pete's Road Service, Inc](https://ctcfinder.com/tester/petes-road-service-inc-fontana/)** — 14239 Valley Blvd, Fontana, CA 92335 — (714) 397-9923. Services: mobile testing, OBD testing, motorhome testing. - **[RDM Carb Testing](https://ctcfinder.com/tester/rdm-carb-testing-fontana/)** — 15741 Athena Dr, Fontana, CA 92336 — (909) 730-4585. Services: mobile testing, OBD testing. - **[Rudy Avila](https://ctcfinder.com/tester/rudy-avila-fontana/)** — Fontana, CA 92335 — (909) 256-9396. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ryan Leininger](https://ctcfinder.com/tester/ryan-leininger-fontana/)** — Fontana, CA 92337 — (951) 840-5750. Services: OBD testing. - **[Shardae Anderson-Bell](https://ctcfinder.com/tester/shardae-anderson-bell-fontana/)** — Fontana, CA 92337 — (330) 605-6613. Services: OBD testing. - **[Sonu Monga](https://ctcfinder.com/tester/sonu-monga-fontana/)** — Fontana, CA 92337 — (909) 550-7000. Services: mobile testing, OBD testing. - **[Stop Mobile C.A.R.B Compliance Inland Empire](https://ctcfinder.com/tester/stop-mobile-c-a-r-b-compliance-inland-empire-fontana/)** — 16252 Star Crest Way, Fontana, CA 92336 — (909) 409-1031. Services: mobile testing, OBD testing, motorhome testing. - **[Top Smog](https://ctcfinder.com/tester/top-smog-fontana/)** — 10591 Cherry Ave, Fontana, CA 92337 — (909) 224-2037. Services: OBD testing, motorhome testing. - **[Torodieselctc](https://ctcfinder.com/tester/torodieselctc-fontana/)** — 15131 Washington Dr, Fontana, CA 92335 — (909) 443-0080. Services: mobile testing, OBD testing. - **[Truck PRO](https://ctcfinder.com/tester/truck-pro-fontana/)** — 14553 Fontlee Ln, Fontana, CA 92335 — (909) 376-0314. Services: OBD testing, motorhome testing. - **[Valley Dealer Services](https://ctcfinder.com/tester/valley-dealer-services-fontana/)** — Fontana, CA 92335 — (310) 720-9809. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Velocity Truck Centers - Fontana](https://ctcfinder.com/tester/velocity-truck-centers-fontana-fontana/)** — 13800 Valley Blvd, Fontana, CA 92335 — (562) 577-6819. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Waraich logistics](https://ctcfinder.com/tester/waraich-logistics-fontana/)** — 16645 Windcrest Dr, Fontana, CA 92337 — (805) 280-5602. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Zachary Johnson](https://ctcfinder.com/tester/zachary-johnson-fontana/)** — Fontana, CA 92335 — (909) 802-9378. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Fleetpro Services INC](https://ctcfinder.com/tester/fleetpro-services-inc-bloomington/)** — 17796 Taylor Ave, Bloomington, CA 92316 — (712) 579-1188 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jason Vaughns](https://ctcfinder.com/tester/jason-vaughns-bloomington/)** — Bloomington, CA 92316 — (330) 409-2955 — 5 mi. Services: OBD testing. - **[JLO Express](https://ctcfinder.com/tester/jlo-express-bloomington/)** — 1527 Pinedale Ave, Bloomington, CA 92316 — (832) 752-0676 — 5 mi. Services: mobile testing, OBD testing. - **[Kairo Trucking LLC](https://ctcfinder.com/tester/kairo-trucking-llc-bloomington/)** — 10663 Tumbleweed Dr, Bloomington, CA 92316 — (909) 254-1147 — 5 mi. Services: OBD testing. - **[Miguel's fleet service](https://ctcfinder.com/tester/miguels-fleet-service-bloomington/)** — 11917 Cactus Ave, Bloomington, CA 92316 — (951) 479-2663 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Proline Diesel Repairs](https://ctcfinder.com/tester/proline-diesel-repairs-bloomington/)** — 17736 Slover Ave, Bloomington, CA 92316 — (909) 258-5333 — 5 mi. Services: mobile testing, OBD testing. - **[Quality Truck Repair](https://ctcfinder.com/tester/quality-truck-repair-bloomington/)** — 17903 Valley Blvd, Bloomington, CA 92316 — (909) 251-1064 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Sarfaras khan](https://ctcfinder.com/tester/sarfaras-khan-bloomington/)** — Bloomington, CA 92316 — (909) 735-6535 — 5 mi. Services: mobile testing, OBD testing. - **[Juan Bolanos](https://ctcfinder.com/tester/juan-bolanos-jurupa-valley/)** — Jurupa Valley, CA 92316 — (951) 255-5656 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Antonio Garcia](https://ctcfinder.com/tester/antonio-garcia-rialto/)** — Rialto, CA 92376 — (909) 491-8792 — 5 mi. Services: mobile testing, OBD testing. - **[Bennys clean truck check](https://ctcfinder.com/tester/bennys-clean-truck-check-rialto/)** — 523 w Rialto ave suite B, Rialto, CA 92376 — (909) 873-5403 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Bradley Ridges](https://ctcfinder.com/tester/bradley-ridges-rialto/)** — Rialto, CA 92376 — (480) 669-6328 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Fontana Fontana sits where I-10 and I-15 meet, at the center of the Inland Empire warehouse belt, with large truck stops, carrier terminals and dealer service centers along Valley Boulevard and Sierra Avenue. 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. 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 Fontana? CTC Finder lists 49 testing businesses in Fontana from CARB's public tester list (54 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 Fontana? Yes. 37 listed businesses in Fontana 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 Fontana? 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 - [Bloomington](https://ctcfinder.com/testers/san-bernardino-county/bloomington/) — 8 listings, 5 mi - [Rialto](https://ctcfinder.com/testers/san-bernardino-county/rialto/) — 18 listings, 5 mi - [Jurupa Valley](https://ctcfinder.com/testers/riverside-county/jurupa-valley/) — 18 listings, 6 mi - [Rancho Cucamonga](https://ctcfinder.com/testers/san-bernardino-county/rancho-cucamonga/) — 18 listings, 7 mi - [Ontario](https://ctcfinder.com/testers/san-bernardino-county/ontario/) — 31 listings, 9 mi - [San Bernardino](https://ctcfinder.com/testers/san-bernardino-county/san-bernardino/) — 29 listings, 10 mi - [Colton](https://ctcfinder.com/testers/san-bernardino-county/colton/) — 15 listings, 11 mi - [Upland](https://ctcfinder.com/testers/san-bernardino-county/upland/) — 7 listings, 11 mi - [Riverside](https://ctcfinder.com/testers/riverside-county/riverside/) — 48 listings, 12 mi - [Norco](https://ctcfinder.com/testers/riverside-county/norco/) — 8 listings, 12 mi