--- title: "Clean Truck Check Testers in Fallbrook, CA (5 listed)" description: "Find 5 CARB-credentialed Clean Truck Check testers in Fallbrook, San Diego County: 5 offer mobile testing, 4 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/san-diego-county/fallbrook/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Fallbrook, CA 5 testing businesses in Fallbrook (San Diego County) are on CARB's public Clean Truck Check tester list (5 credentialed testers). 5 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 Fallbrook - **[Am Auto Smog](https://ctcfinder.com/tester/am-auto-smog-fallbrook/)** — 4292 Rosa Rancho Ln, Fallbrook, CA 92028 — (760) 586-5023. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Cristian Francisco](https://ctcfinder.com/tester/cristian-francisco-fallbrook/)** — Fallbrook, CA 92028 — (760) 583-9230. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[L5 Mobile Tech LLC](https://ctcfinder.com/tester/l5-mobile-tech-llc-fallbrook/)** — 1133 E Mission Rd, Fallbrook, CA 92028 — (760) 626-8534. Services: mobile testing, OBD testing, motorhome testing. - **[Mission Automotive](https://ctcfinder.com/tester/mission-automotive-fallbrook/)** — 1557 South Mission Road, Fallbrook, CA 92028 — (760) 586-8265. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Smog Brothers](https://ctcfinder.com/tester/smog-brothers-fallbrook/)** — 119 W College St, Fallbrook, CA 92028 — (760) 828-1256. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Clean Truck Check Opacity/OBD](https://ctcfinder.com/tester/clean-truck-check-opacity-obd-temecula/)** — 42122 Rio Nedo Rd, Temecula, CA 92590 — (619) 971-9117 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Murrieta development company](https://ctcfinder.com/tester/murrieta-development-company-temecula/)** — 42540 Rio Nedo, Temecula, CA 92590 — (951) 386-9514 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Speedy Smog](https://ctcfinder.com/tester/speedy-smog-temecula/)** — 28733 Via Montezuma Suite F, Temecula, CA 92590 — (951) 331-5226 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[West Coast Wreckers](https://ctcfinder.com/tester/west-coast-wreckers-temecula/)** — 43136 Rancho Way Suite E, Temecula, CA 92590 — (619) 929-9207 — 7 mi. Services: OBD testing. - **[West Coast Wreckers](https://ctcfinder.com/tester/west-coast-wreckers-temecula-2/)** — 42620 Rio Nedo, Temecula, CA 92590 — (951) 294-0903 — 7 mi. Services: not listed. - **[Credentialed tester in Temecula](https://ctcfinder.com/tester/credentialed-tester-in-temecula-temecula/)** — 42122 Rio Nedo, Temecula, CA — (619) 971-9117 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Aaron Clean Truck Check](https://ctcfinder.com/tester/aaron-clean-truck-check-oceanside/)** — 4592 Avery St, Oceanside, CA 92057 — (760) 607-8421 — 10 mi. Services: mobile testing, OBD testing. - **[Rollin Wrenches LLC](https://ctcfinder.com/tester/rollin-wrenches-llc-vista/)** — 1312 Morning Glory Lane, Vista, CA 92084 — (760) 518-4791 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[American Diesel](https://ctcfinder.com/tester/american-diesel-murrieta/)** — 26670 Madison Ave, Murrieta, CA 92562 — (479) 295-3363 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ashish Acharjee](https://ctcfinder.com/tester/ashish-acharjee-murrieta/)** — Murrieta, CA 92562 — (909) 658-4782 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Clarks carb testing & Compliance](https://ctcfinder.com/tester/clarks-carb-testing-and-compliance-murrieta/)** — 36037 Ravello ct., Murrieta, CA 92562 — (951) 375-1003 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. - **[G.Smith Truck Repair](https://ctcfinder.com/tester/g-smith-truck-repair-murrieta/)** — 41186 Cipresso Cir, Murrieta, CA 92562 — (949) 874-0670 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Fallbrook San Diego County includes the Otay Mesa border crossing, California's busiest commercial truck crossing at about one million trucks a year (GSA, 2022). ## 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 Fallbrook? CTC Finder lists 5 testing businesses in Fallbrook from CARB's public tester list (5 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 Fallbrook? Yes. 5 listed businesses in Fallbrook 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 Fallbrook? 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 - [Temecula](https://ctcfinder.com/testers/riverside-county/temecula/) — 18 listings, 11 mi - [Murrieta](https://ctcfinder.com/testers/riverside-county/murrieta/) — 10 listings, 12 mi - [Vista](https://ctcfinder.com/testers/san-diego-county/vista/) — 5 listings, 13 mi - [Oceanside](https://ctcfinder.com/testers/san-diego-county/oceanside/) — 9 listings, 14 mi - [Valley Center](https://ctcfinder.com/testers/san-diego-county/valley-center/) — 9 listings, 16 mi - [Wildomar](https://ctcfinder.com/testers/riverside-county/wildomar/) — 5 listings, 16 mi - [San Marcos](https://ctcfinder.com/testers/san-diego-county/san-marcos/) — 4 listings, 17 mi - [Carlsbad](https://ctcfinder.com/testers/san-diego-county/carlsbad/) — 3 listings, 18 mi - [Escondido](https://ctcfinder.com/testers/san-diego-county/escondido/) — 13 listings, 19 mi - [Lake Elsinore](https://ctcfinder.com/testers/riverside-county/lake-elsinore/) — 8 listings, 20 mi