--- title: "Clean Truck Check Testers in Santa Cruz, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Santa Cruz, Santa Cruz County: 2 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/santa-cruz-county/santa-cruz/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Santa Cruz, CA 3 testing businesses in Santa Cruz (Santa Cruz County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 2 offer mobile testing, 2 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 Santa Cruz - **[Independent Service Co](https://ctcfinder.com/tester/independent-service-co-santa-cruz/)** — 217 McPherson St, Santa Cruz, CA 95060 — (831) 426-0900. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Monterey Bay Fleet Services](https://ctcfinder.com/tester/monterey-bay-fleet-services-santa-cruz/)** — Santa Cruz, CA 95062 — (559) 799-6530. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Tony Varni](https://ctcfinder.com/tester/tony-varni-santa-cruz/)** — Santa Cruz, CA 95062 — (831) 247-9147. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[Tony Varni Equipment Repair](https://ctcfinder.com/tester/tony-varni-equipment-repair-scotts-valley/)** — 886 Lockhart Gulch Rd, Scotts Valley, CA 95066 — (831) 247-9147 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Santana paving and grading inc mobile](https://ctcfinder.com/tester/santana-paving-and-grading-inc-mobile-soquel/)** — 3912 Mainsail Pl, Soquel, CA 95073 — (831) 970-5420 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[The Truck Inspector, LLC](https://ctcfinder.com/tester/the-truck-inspector-llc-soquel/)** — 999 Old San Jose Rd SF BAY AREA, Soquel, CA 95073 — (831) 332-2272 — 7 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Bay area water](https://ctcfinder.com/tester/bay-area-water-felton/)** — 10861 Creekwood Dr, Felton, CA 95018 — (408) 455-8016 — 7 mi. Services: mobile testing, OBD testing. - **[Betos mobile & truck services LLC](https://ctcfinder.com/tester/betos-mobile-and-truck-services-llc-royal-oaks/)** — 415 Hall Rd, Royal Oaks, CA 95076 — (831) 247-0392 — 15 mi. Services: mobile testing, OBD testing. - **[Alex Lopez](https://ctcfinder.com/tester/alex-lopez-watsonville/)** — Watsonville, CA 95076 — (831) 566-1827 — 15 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Best Service Automotive & Truck Repair](https://ctcfinder.com/tester/best-service-automotive-and-truck-repair-watsonville/)** — 18 Walker St, Watsonville, CA 95076 — (831) 353-1533 — 15 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Crafton’s smog check](https://ctcfinder.com/tester/craftons-smog-check-watsonville/)** — 771 Freedom Blvd, Watsonville, CA 95076 — (831) 227-3766 — 15 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Daniel Dye](https://ctcfinder.com/tester/daniel-dye-watsonville/)** — Watsonville, CA 95076 — (831) 713-8935 — 15 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Easy Tune Up 95$](https://ctcfinder.com/tester/easy-tune-up-95-watsonville/)** — 469 Union St, Watsonville, CA 95076 — (831) 535-8373 — 15 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Juan Calles](https://ctcfinder.com/tester/juan-calles-watsonville/)** — Watsonville, CA 95076 — (831) 212-5327 — 15 mi. Services: mobile testing, OBD testing, motorhome testing. - **[MAC Auto Repair LLC](https://ctcfinder.com/tester/mac-auto-repair-llc-watsonville/)** — 499 Auto Center Dr Ste b, Watsonville, CA 95076 — (831) 254-7061 — 15 mi. Services: OBD testing, motorhome testing. ## 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 Santa Cruz? CTC Finder lists 3 testing businesses in Santa Cruz 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 Santa Cruz? Yes. 2 listed businesses in Santa Cruz 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 Santa Cruz? 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 - [Watsonville](https://ctcfinder.com/testers/santa-cruz-county/watsonville/) — 10 listings, 15 mi - [Campbell](https://ctcfinder.com/testers/santa-clara-county/campbell/) — 3 listings, 21 mi - [Morgan Hill](https://ctcfinder.com/testers/santa-clara-county/morgan-hill/) — 6 listings, 22 mi - [Gilroy](https://ctcfinder.com/testers/santa-clara-county/gilroy/) — 13 listings, 26 mi - [San Jose](https://ctcfinder.com/testers/santa-clara-county/san-jose/) — 41 listings, 26 mi - [Mountain View](https://ctcfinder.com/testers/santa-clara-county/mountain-view/) — 3 listings, 29 mi - [Santa Clara](https://ctcfinder.com/testers/santa-clara-county/santa-clara/) — 3 listings, 29 mi - [Salinas](https://ctcfinder.com/testers/monterey-county/salinas/) — 21 listings, 30 mi - [Monterey](https://ctcfinder.com/testers/monterey-county/monterey/) — 3 listings, 31 mi - [Milpitas](https://ctcfinder.com/testers/santa-clara-county/milpitas/) — 3 listings, 33 mi