--- title: "Clean Truck Check Testers in Monterey, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Monterey, Monterey County: 2 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/monterey-county/monterey/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Monterey, CA 3 testing businesses in Monterey (Monterey County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 2 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 Monterey - **[Kapil RAM](https://ctcfinder.com/tester/kapil-ram-monterey/)** — Monterey, CA 93940 — (916) 459-5983. Services: not listed. - **[MY Auto Repair](https://ctcfinder.com/tester/my-auto-repair-monterey/)** — 239 Dela Vina Ave, Monterey, CA 93940 — (831) 241-3311. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Raya Automotive](https://ctcfinder.com/tester/raya-automotive-monterey/)** — 220 Dela Vina Ave Suite A, Monterey, CA 93940 — (831) 208-9607. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Industrial power systems LLC](https://ctcfinder.com/tester/industrial-power-systems-llc-pacific-grove/)** — 608 2nd St, Pacific Grove, CA 93950 — (831) 500-4559 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[A1 Mobile Service Inc](https://ctcfinder.com/tester/a1-mobile-service-inc-salinas/)** — 1112 Abbott St, Salinas, CA 93901 — (831) 595-1113 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mario Hernandez](https://ctcfinder.com/tester/mario-hernandez-salinas/)** — Salinas, CA 93901 — (831) 596-4578 — 11 mi. Services: mobile testing, OBD testing. - **[Midstate Fleet Repair](https://ctcfinder.com/tester/midstate-fleet-repair-salinas/)** — 721 ABBOTT ST., Salinas, CA 93901 — (831) 809-8814 — 11 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Molina's Service](https://ctcfinder.com/tester/molinas-service-salinas/)** — 341 W Market St, Salinas, CA 93901 — (831) 229-6594 — 11 mi. Services: OBD testing, motorhome testing. - **[Ricardo Tena](https://ctcfinder.com/tester/ricardo-tena-salinas/)** — Salinas, CA 93901 — (831) 206-6250 — 11 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Torres Auto Smog](https://ctcfinder.com/tester/torres-auto-smog-salinas/)** — 369 E Market St, Salinas, CA 93901 — (831) 287-7646 — 11 mi. Services: mobile testing, OBD testing. - **[Enrique salinas](https://ctcfinder.com/tester/enrique-salinas-salinas/)** — Salinas, CA 93908 — (408) 656-1176 — 12 mi. Services: mobile testing, OBD testing. - **[Pacific Ag Rentals](https://ctcfinder.com/tester/pacific-ag-rentals-salinas/)** — 4 Harris Rd, Salinas, CA 93908 — (831) 417-9792 — 12 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ramon Rubalcava](https://ctcfinder.com/tester/ramon-rubalcava-salinas/)** — Salinas, CA 93908 — (928) 750-3418 — 12 mi. Services: mobile testing, OBD testing. - **[Robert Ivers](https://ctcfinder.com/tester/robert-ivers-salinas/)** — Salinas, CA 93908 — (831) 206-0663 — 12 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Xpress Diesel](https://ctcfinder.com/tester/xpress-diesel-salinas/)** — 64 san benancio rd, Salinas, CA 93908 — (831) 383-9112 — 12 mi. Services: mobile testing, OBD testing. ## Trucking in Monterey Monterey County's Salinas Valley produce industry relies on agricultural and refrigerated trucks. ## 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 Monterey? CTC Finder lists 3 testing businesses in Monterey 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 Monterey? Yes. 2 listed businesses in Monterey 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 Monterey? 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 - [Salinas](https://ctcfinder.com/testers/monterey-county/salinas/) — 21 listings, 13 mi - [Gonzales](https://ctcfinder.com/testers/monterey-county/gonzales/) — 3 listings, 23 mi - [Watsonville](https://ctcfinder.com/testers/santa-cruz-county/watsonville/) — 10 listings, 27 mi - [Soledad](https://ctcfinder.com/testers/monterey-county/soledad/) — 3 listings, 29 mi - [Santa Cruz](https://ctcfinder.com/testers/santa-cruz-county/santa-cruz/) — 3 listings, 31 mi - [Gilroy](https://ctcfinder.com/testers/santa-clara-county/gilroy/) — 13 listings, 34 mi - [Hollister](https://ctcfinder.com/testers/san-benito-county/hollister/) — 7 listings, 36 mi - [Morgan Hill](https://ctcfinder.com/testers/santa-clara-county/morgan-hill/) — 6 listings, 40 mi