--- title: "Clean Truck Check Testers in Riverside, CA (48 listed)" description: "Find 48 CARB-credentialed Clean Truck Check testers in Riverside, Riverside County: 45 offer mobile testing, 18 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/riverside-county/riverside/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Riverside, CA 48 testing businesses in Riverside (Riverside County) are on CARB's public Clean Truck Check tester list (51 credentialed testers). 45 offer mobile testing, 18 do smoke opacity tests, 33 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 Riverside - **[Corona Smog Center & Test Only](https://ctcfinder.com/tester/corona-smog-center-and-test-only-riverside/)** — 12690 Magnolia Ave, Riverside, CA 92503 — (951) 906-6793. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Platinum Fleet & Fire Services](https://ctcfinder.com/tester/platinum-fleet-and-fire-services-riverside/)** — 2970 Myers St, Riverside, CA 92503 — (209) 298-3552. Services: mobile testing, OBD testing, motorhome testing. - **[Sksmobilerv](https://ctcfinder.com/tester/sksmobilerv-riverside/)** — 16164 Krameria Ave, Riverside, CA 92504 — (213) 598-8462. Services: mobile testing, OBD testing, motorhome testing. - **[A. 1 Stop Smog Shop](https://ctcfinder.com/tester/a-1-stop-smog-shop-riverside/)** — 8432 Magnolia Ave, Riverside, CA 92504 — (760) 792-0307. Services: mobile testing, OBD testing, motorhome testing. - **[A&F Growers](https://ctcfinder.com/tester/a-and-f-growers-riverside/)** — 1803 Adams St, Riverside, CA 92504 — (951) 283-1213. Services: not listed. - **[Aaron’s Diesel Pro](https://ctcfinder.com/tester/aarons-diesel-pro-riverside/)** — 200 W Big Springs Rd, Riverside, CA 92507 — (951) 201-6522. Services: mobile testing, OBD testing, motorhome testing. - **[ABEs Clean Truck Check](https://ctcfinder.com/tester/abes-clean-truck-check-riverside/)** — 6925 Barcelona Way, Riverside, CA 92504 — (909) 702-8232. Services: mobile testing, OBD testing, motorhome testing. - **[Adelinos Auto Clinic](https://ctcfinder.com/tester/adelinos-auto-clinic-riverside/)** — 3300 Harrison St, Riverside, CA 92503 — (951) 454-0635. Services: mobile testing, OBD testing. - **[Antonio Beltran](https://ctcfinder.com/tester/antonio-beltran-riverside/)** — Riverside, CA 92503 — (760) 898-4694. Services: mobile testing, OBD testing, motorhome testing. - **[Brad Ramelot](https://ctcfinder.com/tester/brad-ramelot-riverside/)** — Riverside, CA 92504 — (951) 830-4661. Services: mobile testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Carb Compliant Solutions](https://ctcfinder.com/tester/carb-compliant-solutions-riverside/)** — 19871 Sunkissed Ridge Dr, Riverside, CA 92507 — (951) 547-9465. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Carlos Valencia](https://ctcfinder.com/tester/carlos-valencia-riverside/)** — Riverside, CA 92504 — (951) 315-5477. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Carmen Sahagun](https://ctcfinder.com/tester/carmen-sahagun-riverside/)** — Riverside, CA 92503 — (661) 695-1084. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CCW](https://ctcfinder.com/tester/ccw-riverside/)** — 1863 Service Ct, Riverside, CA 92507 — (951) 684-9585. Services: smoke opacity (non-OBD) testing. - **[Connor concrete cutting](https://ctcfinder.com/tester/connor-concrete-cutting-riverside/)** — Riverside, CA 92503 — (951) 206-2314. Services: mobile testing. - **[Credentialed tester in Riverside](https://ctcfinder.com/tester/credentialed-tester-in-riverside-riverside/)** — 5053 La Mart Dr, Riverside, CA 92507 — (951) 594-5882. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CSAI Auto Service](https://ctcfinder.com/tester/csai-auto-service-riverside/)** — 3001 Chicago Ave, Riverside, CA 92507 — (951) 858-7270. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CSAI Smog Check Center](https://ctcfinder.com/tester/csai-smog-check-center-riverside/)** — 6589 Magnolia Ave, Riverside, CA 92506 — (909) 646-0002. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[DriveDirect Pro, LLC](https://ctcfinder.com/tester/drivedirect-pro-llc-riverside/)** — 3600 Lime St, Riverside, CA 92501 — (866) 971-8378. Services: mobile testing, OBD testing, motorhome testing. - **[Engine Compliance East](https://ctcfinder.com/tester/engine-compliance-east-riverside/)** — 6331 Chattanooga Dr, Riverside, CA 92504 — (818) 400-3646. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Esteban Garcia](https://ctcfinder.com/tester/esteban-garcia-riverside/)** — Riverside, CA 92504 — (951) 605-2031. Services: mobile testing, OBD testing, motorhome testing. - **[Ganda clean air check](https://ctcfinder.com/tester/ganda-clean-air-check-riverside/)** — 8525 Jay Ct, Riverside, CA 92508 — (951) 840-5763. Services: mobile testing, OBD testing, motorhome testing. - **[Green Check, Inc.](https://ctcfinder.com/tester/green-check-inc-riverside/)** — 17836 Robusta Dr, Riverside, CA 92503 — (951) 476-6496. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[H and A Auto Center](https://ctcfinder.com/tester/h-and-a-auto-center-riverside/)** — 12321 Sampson St Suite N, Riverside, CA 92503 — (949) 929-7146. Services: mobile testing, OBD testing, motorhome testing. - **[Hutchworks Clean Truck Check](https://ctcfinder.com/tester/hutchworks-clean-truck-check-riverside/)** — 12142 Brianwood Dr, Riverside, CA 92503 — (951) 818-1909. Services: mobile testing, OBD testing. - **[Inland Pacific Diesel LLC.](https://ctcfinder.com/tester/inland-pacific-diesel-llc-riverside/)** — 6296 Magnolia Ave #1097, Riverside, CA 92506 — (951) 546-2253. Services: mobile testing, OBD testing. - **[Kennymelancon mobile testing](https://ctcfinder.com/tester/kennymelancon-mobile-testing-riverside/)** — 8223 Buckingham Pl, Riverside, CA 92504 — (951) 215-9973. Services: mobile testing, motorhome testing. - **[Khaldoun Dridi](https://ctcfinder.com/tester/khaldoun-dridi-riverside/)** — Riverside, CA 92507 — (714) 781-9466. Services: mobile testing, OBD testing, motorhome testing. - **[Manuel Vargas](https://ctcfinder.com/tester/manuel-vargas-riverside/)** — Riverside, CA 92504 — (951) 255-7667. Services: mobile testing, OBD testing. - **[Marco Vigueras](https://ctcfinder.com/tester/marco-vigueras-riverside/)** — Riverside, CA 92508 — (951) 377-1744. Services: mobile testing, OBD testing, motorhome testing. - **[Md Mechanical and Machine](https://ctcfinder.com/tester/md-mechanical-and-machine-riverside/)** — 455 W La Cadena Dr Suite 10, Riverside, CA 92501 — (951) 377-1544. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mi Casita Smog Check](https://ctcfinder.com/tester/mi-casita-smog-check-riverside/)** — 11061 Whitford Ave, Riverside, CA 92505 — (951) 425-3213. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Michael Estabrook](https://ctcfinder.com/tester/michael-estabrook-riverside/)** — Riverside, CA 92505 — (562) 900-2708. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Miguel Chavez](https://ctcfinder.com/tester/miguel-chavez-riverside/)** — Riverside, CA 92507 — (951) 403-3523. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[MVA Alignment and Diesel](https://ctcfinder.com/tester/mva-alignment-and-diesel-riverside/)** — 4204 Wheeler St, Riverside, CA 92503 — (951) 284-9523. Services: mobile testing, OBD testing, motorhome testing. - **[Not Your Uncles Diesel Mobile Repair](https://ctcfinder.com/tester/not-your-uncles-diesel-mobile-repair-riverside/)** — 10498 Wells Avenue, Riverside, CA 92555 — (951) 660-2025. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Omar Torres](https://ctcfinder.com/tester/omar-torres-riverside/)** — Riverside, CA 92504 — (951) 789-9646. Services: OBD testing. - **[Oscar Altamirano Jr](https://ctcfinder.com/tester/oscar-altamirano-jr-riverside/)** — Riverside, CA 92505 — (909) 533-1933. Services: mobile testing, OBD testing. - **[Pierce Smog Test Only](https://ctcfinder.com/tester/pierce-smog-test-only-riverside/)** — 10941 Hole Ave, Riverside, CA 92505 — (714) 261-7241. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Quality in Load](https://ctcfinder.com/tester/quality-in-load-riverside/)** — Riverside, CA 92505 — (951) 220-4416. Services: mobile testing, OBD testing, motorhome testing. - **[Rf Mendoza smog check](https://ctcfinder.com/tester/rf-mendoza-smog-check-riverside/)** — 20623 Center St, Riverside, CA 92507 — (626) 989-1403. Services: mobile testing, OBD testing. - **[Robert Torres](https://ctcfinder.com/tester/robert-torres-riverside/)** — Riverside, CA 92503 — (949) 506-9396. Services: mobile testing, OBD testing. - **[Rollin VIN Verifiers](https://ctcfinder.com/tester/rollin-vin-verifiers-riverside/)** — Riverside, CA 92504 — (909) 206-4799. Services: mobile testing, OBD testing, motorhome testing. - **[Salvador Castaneda](https://ctcfinder.com/tester/salvador-castaneda-riverside/)** — Riverside, CA 92504 — (714) 300-4512. Services: mobile testing, OBD testing. - **[Santiago Truck Repair](https://ctcfinder.com/tester/santiago-truck-repair-riverside/)** — 3655 Placentia Ln, Riverside, CA 92501 — (909) 470-9271. Services: mobile testing. - **[The Garage](https://ctcfinder.com/tester/the-garage-riverside/)** — 5814 Tahoma Pl, Riverside, CA 92505 — (951) 347-5467. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Top Dawg Auto Repair](https://ctcfinder.com/tester/top-dawg-auto-repair-riverside/)** — 3700 Chicago Ave, Riverside, CA 92507 — (951) 545-6330. Services: mobile testing, OBD testing, motorhome testing. - **[West Coast Wrench Worx](https://ctcfinder.com/tester/west-coast-wrench-worx-riverside/)** — 9341 Rockrun Ct, Riverside, CA 92508 — (951) 809-0760. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[ABC Smog Diagnostics](https://ctcfinder.com/tester/abc-smog-diagnostics-jurupa-valley/)** — 5524 Golf St, Jurupa Valley, CA 92509 — (909) 437-9970 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Californuim HD Fleet solutions](https://ctcfinder.com/tester/californuim-hd-fleet-solutions-jurupa-valley/)** — 3686 Fleming St, Jurupa Valley, CA 92509 — (909) 275-9392 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Cezar Ramirez](https://ctcfinder.com/tester/cezar-ramirez-jurupa-valley/)** — Jurupa Valley, CA 92509 — (951) 329-0643 — 6 mi. Services: mobile testing, OBD testing. - **[Deluxe Auto Carriers Inc.-Tester](https://ctcfinder.com/tester/deluxe-auto-carriers-inc-tester-jurupa-valley/)** — 4788 Brookhollow Cir, Jurupa Valley, CA 92509 — (951) 602-0023 — 6 mi. Services: mobile testing, OBD testing. - **[Ferdon Mobile Repair](https://ctcfinder.com/tester/ferdon-mobile-repair-jurupa-valley/)** — 5429 Belgian Ct, Jurupa Valley, CA 92509 — (951) 809-9912 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Fleetwest Services INC](https://ctcfinder.com/tester/fleetwest-services-inc-jurupa-valley/)** — 6973 Jurupa Rd, Jurupa Valley, CA 92509 — (951) 536-5474 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[G Gomez Transportation & son](https://ctcfinder.com/tester/g-gomez-transportation-and-son-jurupa-valley/)** — 9260 Tara Cir, Jurupa Valley, CA 92509 — (909) 957-8884 — 6 mi. Services: OBD testing. - **[Gary's Test Only](https://ctcfinder.com/tester/garys-test-only-jurupa-valley/)** — 9595 Mission Blvd, Jurupa Valley, CA 92509 — (909) 434-4891 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[JJ Clean Truck Check](https://ctcfinder.com/tester/jj-clean-truck-check-jurupa-valley/)** — 7131 Mission Blvd, Jurupa Valley, CA 92509 — (951) 360-4720 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[M&T Smog Check Express](https://ctcfinder.com/tester/m-and-t-smog-check-express-jurupa-valley/)** — 9802 Mission Blvd, Jurupa Valley, CA 92509 — (951) 681-3620 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Maria Munoz](https://ctcfinder.com/tester/maria-munoz-jurupa-valley/)** — Jurupa Valley, CA 92509 — (951) 539-5057 — 6 mi. Services: mobile testing, OBD testing. - **[Nicks tires inc](https://ctcfinder.com/tester/nicks-tires-inc-jurupa-valley/)** — 9880 Mission Blvd, Jurupa Valley, CA 92509 — (951) 790-1983 — 6 mi. Services: mobile testing, OBD testing. ## Trucking in Riverside Riverside covers the March Inland Port area and the warehouse corridors along I-215 and the 60/91. 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. Riverside County includes the western Inland Empire logistics corridor (Riverside, Jurupa Valley, Moreno Valley, Perris) and the Coachella Valley. 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 Riverside? CTC Finder lists 48 testing businesses in Riverside from CARB's public tester list (51 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 Riverside? Yes. 45 listed businesses in Riverside 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 Riverside? 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 - [Jurupa Valley](https://ctcfinder.com/testers/riverside-county/jurupa-valley/) — 18 listings, 7 mi - [Norco](https://ctcfinder.com/testers/riverside-county/norco/) — 8 listings, 9 mi - [Bloomington](https://ctcfinder.com/testers/san-bernardino-county/bloomington/) — 8 listings, 9 mi - [Colton](https://ctcfinder.com/testers/san-bernardino-county/colton/) — 15 listings, 9 mi - [Corona](https://ctcfinder.com/testers/riverside-county/corona/) — 18 listings, 11 mi - [Moreno Valley](https://ctcfinder.com/testers/riverside-county/moreno-valley/) — 16 listings, 11 mi - [Perris](https://ctcfinder.com/testers/riverside-county/perris/) — 18 listings, 11 mi - [Fontana](https://ctcfinder.com/testers/san-bernardino-county/fontana/) — 49 listings, 12 mi - [Eastvale](https://ctcfinder.com/testers/riverside-county/eastvale/) — 8 listings, 12 mi - [Rialto](https://ctcfinder.com/testers/san-bernardino-county/rialto/) — 18 listings, 13 mi