--- title: "Clean Truck Check Testers in Campbell, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Campbell, Santa Clara County: 2 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/santa-clara-county/campbell/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Campbell, CA 3 testing businesses in Campbell (Santa Clara County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 2 offer mobile testing, 1 do smoke opacity tests, 3 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 Campbell - **[Andrew Newland](https://ctcfinder.com/tester/andrew-newland-campbell/)** — Campbell, CA 95008 — (408) 691-1746. Services: OBD testing, motorhome testing. - **[Salinas Transport LLC Norcal Mobile](https://ctcfinder.com/tester/salinas-transport-llc-norcal-mobile-campbell/)** — 299 E McGlincy Ln Suite B, Campbell, CA 95008 — (831) 498-6447. Services: mobile testing, OBD testing, motorhome testing. - **[Timothy Nunez](https://ctcfinder.com/tester/timothy-nunez-campbell/)** — Campbell, CA 95008 — (408) 767-8971. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Mike Kazemi](https://ctcfinder.com/tester/mike-kazemi-san-jose/)** — San Jose, CA 95124 — (510) 357-2525 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Make it Go Consulting & Services](https://ctcfinder.com/tester/make-it-go-consulting-and-services-san-jose/)** — 2251 Lansford Ave, San Jose, CA 95125 — (415) 816-1471 — 4 mi. Services: mobile testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Pro Cal Truck & Equipment Repair](https://ctcfinder.com/tester/pro-cal-truck-and-equipment-repair-san-jose/)** — 290 San Jose Ave, San Jose, CA 95125 — (408) 998-5818 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[South Bay fast smog](https://ctcfinder.com/tester/south-bay-fast-smog-san-jose/)** — 2306 Almaden Expy, San Jose, CA 95125 — (415) 302-5516 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[California Clean Air Testing](https://ctcfinder.com/tester/california-clean-air-testing-san-jose/)** — 1346 The Alameda Suite 7, San Jose, CA 95126 — (707) 819-7469 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Reed & Graham Inc.](https://ctcfinder.com/tester/reed-and-graham-inc-san-jose/)** — 690 Sunol St, San Jose, CA 95126 — (408) 640-7203 — 4 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Samuel Noriega](https://ctcfinder.com/tester/samuel-noriega-san-jose/)** — San Jose, CA 95126 — (669) 444-4479 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[South Bay Mobile Smog](https://ctcfinder.com/tester/south-bay-mobile-smog-los-gatos/)** — Los Gatos, CA 95030 — (408) 458-7621 — 4 mi. Services: mobile testing, OBD testing. - **[CS Autoworks](https://ctcfinder.com/tester/cs-autoworks-san-jose/)** — San Jose, CA 95110 — (408) 636-6210 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Eco Box Recycling Inc](https://ctcfinder.com/tester/eco-box-recycling-inc-san-jose/)** — 385 Willow St, San Jose, CA 95110 — (408) 639-1373 — 5 mi. Services: OBD testing. - **[FJM Truck and Trailer Center](https://ctcfinder.com/tester/fjm-truck-and-trailer-center-san-jose/)** — 1540 Industrial Ave, San Jose, CA 95112 — (408) 417-2520 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Keyes ST Smog Check](https://ctcfinder.com/tester/keyes-st-smog-check-san-jose/)** — 331 Keyes St, San Jose, CA 95112 — (408) 831-8947 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Campbell Santa Clara County has the largest number of listed testers in the Bay Area. ## 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 Campbell? CTC Finder lists 3 testing businesses in Campbell from CARB's public tester list (3 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 Campbell? Yes. 2 listed businesses in Campbell 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 Campbell? 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 - [San Jose](https://ctcfinder.com/testers/santa-clara-county/san-jose/) — 41 listings, 7 mi - [Santa Clara](https://ctcfinder.com/testers/santa-clara-county/santa-clara/) — 3 listings, 8 mi - [Mountain View](https://ctcfinder.com/testers/santa-clara-county/mountain-view/) — 3 listings, 10 mi - [Milpitas](https://ctcfinder.com/testers/santa-clara-county/milpitas/) — 3 listings, 12 mi - [Newark](https://ctcfinder.com/testers/alameda-county/newark/) — 4 listings, 16 mi - [Morgan Hill](https://ctcfinder.com/testers/santa-clara-county/morgan-hill/) — 6 listings, 18 mi - [Fremont](https://ctcfinder.com/testers/alameda-county/fremont/) — 12 listings, 18 mi - [Redwood City](https://ctcfinder.com/testers/san-mateo-county/redwood-city/) — 3 listings, 20 mi - [Santa Cruz](https://ctcfinder.com/testers/santa-cruz-county/santa-cruz/) — 3 listings, 21 mi - [Union City](https://ctcfinder.com/testers/alameda-county/union-city/) — 6 listings, 22 mi