--- title: "Clean Truck Check Testers in San Jacinto, CA (7 listed)" description: "Find 7 CARB-credentialed Clean Truck Check testers in San Jacinto, Riverside County: 7 offer mobile testing, 5 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/riverside-county/san-jacinto/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in San Jacinto, CA 7 testing businesses in San Jacinto (Riverside County) are on CARB's public Clean Truck Check tester list (7 credentialed testers). 7 offer mobile testing, 5 do smoke opacity tests, 6 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 San Jacinto - **[A-Z Transport Tech LLC](https://ctcfinder.com/tester/a-z-transport-tech-llc-san-jacinto/)** — 1975 El Milagro Rd, San Jacinto, CA 92582 — (951) 570-3538. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Central Diesel Fleet Union INC](https://ctcfinder.com/tester/central-diesel-fleet-union-inc-san-jacinto/)** — 650 S Grand Ave, San Jacinto, CA 92582 — (909) 272-5464. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diamond valley automotive inc](https://ctcfinder.com/tester/diamond-valley-automotive-inc-san-jacinto/)** — 1685 S State St Ste C, San Jacinto, CA 92583 — (951) 432-8617. Services: mobile testing, OBD testing, motorhome testing. - **[Diesel Compliance Pro](https://ctcfinder.com/tester/diesel-compliance-pro-san-jacinto/)** — 2989 Crooked Branch Way, San Jacinto, CA 92582 — (626) 251-8944. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[First Choice Smog](https://ctcfinder.com/tester/first-choice-smog-san-jacinto/)** — 494 N Scovell Ave, San Jacinto, CA 92582 — (951) 327-3237. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[J&C Smog](https://ctcfinder.com/tester/j-and-c-smog-san-jacinto/)** — 791 S San Jacinto Ave, San Jacinto, CA 92583 — (951) 634-6897. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Michael Eichling](https://ctcfinder.com/tester/michael-eichling-san-jacinto/)** — San Jacinto, CA 92583 — (918) 766-7436. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Jjim Transportation](https://ctcfinder.com/tester/jjim-transportation-hemet/)** — Hemet, CA 92545 — (951) 492-8518 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Mag Clean Air Check](https://ctcfinder.com/tester/mag-clean-air-check-hemet/)** — 3473 Cougar Canyon Rd, Hemet, CA 92545 — (951) 665-0161 — 6 mi. Services: mobile testing, OBD testing. - **[James Zamora](https://ctcfinder.com/tester/james-zamora-nuevo/)** — Nuevo, CA 92567 — (951) 442-2629 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Roberts concrete cutting](https://ctcfinder.com/tester/roberts-concrete-cutting-nuevo/)** — Nuevo, CA 92567 — (909) 749-2931 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Salvador Torres](https://ctcfinder.com/tester/salvador-torres-nuevo/)** — Nuevo, CA 92567 — (951) 452-9189 — 6 mi. Services: mobile testing, OBD testing. - **[All Smogs](https://ctcfinder.com/tester/all-smogs-hemet/)** — Hemet, CA 92543 — (562) 396-6891 — 7 mi. Services: OBD testing. - **[AP Smog](https://ctcfinder.com/tester/ap-smog-hemet/)** — 561 N Palm Ave, Hemet, CA 92543 — (951) 489-8279 — 7 mi. Services: mobile testing, OBD testing. - **[A1 CTC Testing](https://ctcfinder.com/tester/a1-ctc-testing-beaumont/)** — 709 Flower St, Beaumont, CA 92223 — (951) 477-3035 — 9 mi. Services: mobile testing, OBD testing. - **[California Mobile Fleet](https://ctcfinder.com/tester/california-mobile-fleet-beaumont/)** — 36970 Corvina Way, Beaumont, CA 92223 — (909) 674-6413 — 9 mi. Services: mobile testing, OBD testing, motorhome testing. - **[DDT INC](https://ctcfinder.com/tester/ddt-inc-beaumont/)** — 1094 Cardiff Way, Beaumont, CA 92223 — (909) 670-9656 — 9 mi. Services: mobile testing, OBD testing. - **[Fast Lube & Tine](https://ctcfinder.com/tester/fast-lube-and-tine-beaumont/)** — 975 E 6th St, Beaumont, CA 92223 — (951) 907-9870 — 9 mi. Services: OBD testing, motorhome testing. - **[Mike Janzen](https://ctcfinder.com/tester/mike-janzen-beaumont/)** — Beaumont, CA 92223 — (909) 800-7593 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in San Jacinto 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 San Jacinto? CTC Finder lists 7 testing businesses in San Jacinto from CARB's public tester list (7 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 San Jacinto? Yes. 7 listed businesses in San Jacinto 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 San Jacinto? 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 - [Nuevo](https://ctcfinder.com/testers/riverside-county/nuevo/) — 3 listings, 6 mi - [Hemet](https://ctcfinder.com/testers/riverside-county/hemet/) — 7 listings, 8 mi - [Beaumont](https://ctcfinder.com/testers/riverside-county/beaumont/) — 8 listings, 9 mi - [Banning](https://ctcfinder.com/testers/riverside-county/banning/) — 3 listings, 12 mi - [Menifee](https://ctcfinder.com/testers/riverside-county/menifee/) — 10 listings, 14 mi - [Moreno Valley](https://ctcfinder.com/testers/riverside-county/moreno-valley/) — 16 listings, 16 mi - [Yucaipa](https://ctcfinder.com/testers/san-bernardino-county/yucaipa/) — 8 listings, 16 mi - [Perris](https://ctcfinder.com/testers/riverside-county/perris/) — 18 listings, 16 mi - [Redlands](https://ctcfinder.com/testers/san-bernardino-county/redlands/) — 8 listings, 21 mi - [Wildomar](https://ctcfinder.com/testers/riverside-county/wildomar/) — 5 listings, 21 mi