--- title: "Clean Truck Check Testers in Dublin, CA (4 listed)" description: "Find 4 CARB-credentialed Clean Truck Check testers in Dublin, Alameda County: 4 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/alameda-county/dublin/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Dublin, CA 4 testing businesses in Dublin (Alameda County) are on CARB's public Clean Truck Check tester list (4 credentialed testers). 4 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 Dublin - **[Christina Law](https://ctcfinder.com/tester/christina-law-dublin/)** — Dublin, CA 94568 — (415) 638-1873. Services: mobile testing, OBD testing. - **[Eric Icay](https://ctcfinder.com/tester/eric-icay-dublin/)** — Dublin, CA 94568 — (925) 765-7327. Services: mobile testing, OBD testing. - **[Jtd Under Pressure](https://ctcfinder.com/tester/jtd-under-pressure-dublin/)** — Dublin, CA 94568 — (925) 216-5834. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mobile Golden State Emissions Dublin](https://ctcfinder.com/tester/mobile-golden-state-emissions-dublin-dublin/)** — 5421 Campbell Ln., Dublin, CA 94568 — (925) 818-1831. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Optivia Tech LLC](https://ctcfinder.com/tester/optivia-tech-llc-san-ramon/)** — 1934 Brookcliff Cir, San Ramon, CA 94582 — (415) 727-7227 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Matt's Mobile](https://ctcfinder.com/tester/matts-mobile-pleasanton/)** — Pleasanton, CA 94566 — (925) 895-2123 — 5 mi. Services: mobile testing, OBD testing. - **[Mikes Mobile Automotive](https://ctcfinder.com/tester/mikes-mobile-automotive-castro-valley/)** — 20706 Tuxedo Ct, Castro Valley, CA 94552 — (510) 502-3925 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mobile Golden State Emissions](https://ctcfinder.com/tester/mobile-golden-state-emissions-danville/)** — 821 Orange Blossom Way, Danville, CA 94526 — (925) 818-1831 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Tri-Valley Clean Truck Check / Cal Water Trucking](https://ctcfinder.com/tester/tri-valley-clean-truck-check-cal-water-trucking-danville/)** — 35 Surrey Ct, Danville, CA 94526 — (925) 708-3099 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[A1 Smog Center](https://ctcfinder.com/tester/a1-smog-center-livermore/)** — 3573 First St Suite E, Livermore, CA 94551 — (510) 584-8200 — 9 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Aabco Automotive Repair](https://ctcfinder.com/tester/aabco-automotive-repair-livermore/)** — 1200 Portola Ave, Livermore, CA 94551 — (510) 421-8872 — 9 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Eric Khlaut](https://ctcfinder.com/tester/eric-khlaut-livermore/)** — Livermore, CA 94551 — (925) 206-2004 — 9 mi. Services: not listed. - **[Mobile Golden State Emissions Testing](https://ctcfinder.com/tester/mobile-golden-state-emissions-testing-livermore/)** — 796 Laurel Dr, Livermore, CA 94551 — (925) 354-4370 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mobile Wrenching](https://ctcfinder.com/tester/mobile-wrenching-livermore/)** — 903 Ventura Ct, Livermore, CA 94551 — (925) 525-2673 — 9 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Vasco Quick Lube](https://ctcfinder.com/tester/vasco-quick-lube-livermore/)** — 1443 N Vasco Rd., Livermore, CA 94551 — (916) 417-7001 — 9 mi. Services: OBD testing, motorhome testing. - **[Jaswinder Singh](https://ctcfinder.com/tester/jaswinder-singh-hayward/)** — Hayward, CA 94544 — (510) 579-7294 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Dublin Alameda County includes the Port of Oakland and the I-880 industrial corridor (Hayward, San Leandro, Fremont). ## 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 Dublin? CTC Finder lists 4 testing businesses in Dublin from CARB's public tester list (4 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 Dublin? Yes. 4 listed businesses in Dublin 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 Dublin? 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 - [Livermore](https://ctcfinder.com/testers/alameda-county/livermore/) — 8 listings, 11 mi - [Hayward](https://ctcfinder.com/testers/alameda-county/hayward/) — 18 listings, 12 mi - [Fremont](https://ctcfinder.com/testers/alameda-county/fremont/) — 12 listings, 12 mi - [Union City](https://ctcfinder.com/testers/alameda-county/union-city/) — 6 listings, 13 mi - [San Lorenzo](https://ctcfinder.com/testers/alameda-county/san-lorenzo/) — 3 listings, 13 mi - [San Leandro](https://ctcfinder.com/testers/alameda-county/san-leandro/) — 8 listings, 13 mi - [Newark](https://ctcfinder.com/testers/alameda-county/newark/) — 4 listings, 16 mi - [Brentwood](https://ctcfinder.com/testers/contra-costa-county/brentwood/) — 3 listings, 19 mi - [Concord](https://ctcfinder.com/testers/contra-costa-county/concord/) — 7 listings, 19 mi - [Milpitas](https://ctcfinder.com/testers/santa-clara-county/milpitas/) — 3 listings, 19 mi