--- title: "Clean Truck Check Testers in Mountain View, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Mountain View, Santa Clara County: 3 offer mobile testing, 0 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/santa-clara-county/mountain-view/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Mountain View, CA 3 testing businesses in Mountain View (Santa Clara County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 3 offer mobile testing, 0 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 Mountain View - **[AllTrack Mobile Repair](https://ctcfinder.com/tester/alltrack-mobile-repair-mountain-view/)** — 211 Hope St #391334, Mountain View, CA 94041 — (650) 382-2828. Services: mobile testing, OBD testing. - **[American Construction & Excavation](https://ctcfinder.com/tester/american-construction-and-excavation-mountain-view/)** — 1124 Independence Ave, Mountain View, CA 94043 — (650) 935-5104. Services: mobile testing, OBD testing, motorhome testing. - **[Mountain View Smog Center](https://ctcfinder.com/tester/mountain-view-smog-center-mountain-view/)** — Mountain View, CA 94040 — (650) 938-7664. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Smog Check Car](https://ctcfinder.com/tester/smog-check-car-sunnyvale/)** — 698 N Fair Oaks Ave, Sunnyvale, CA 94085 — (408) 966-8200 — 3 mi. Services: OBD testing, motorhome testing. - **[Sunshine Transportation](https://ctcfinder.com/tester/sunshine-transportation-east-palo-alto/)** — East Palo Alto, CA 94303 — (650) 921-0717 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Hengehold Trucks](https://ctcfinder.com/tester/hengehold-trucks-palo-alto/)** — 762 San Antonio Rd, Palo Alto, CA 94303 — (650) 494-2444 — 5 mi. Services: OBD testing, motorhome testing. - **[IH](https://ctcfinder.com/tester/ih-santa-clara/)** — 2287 Lenox Pl, Santa Clara, CA 95054 — (408) 593-3050 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jspeed](https://ctcfinder.com/tester/jspeed-santa-clara/)** — 3610 Bassett St Suite 7, Santa Clara, CA 95054 — (408) 988-0076 — 6 mi. Services: OBD testing, motorhome testing. - **[RJ Express Services LLC](https://ctcfinder.com/tester/rj-express-services-llc-santa-clara/)** — 1555 Laurelwood Rd Suite 6, Santa Clara, CA 95054 — (415) 871-1361 — 6 mi. Services: mobile testing, OBD testing. - **[TJF Solutions](https://ctcfinder.com/tester/tjf-solutions-menlo-park/)** — 3523 Haven Ave, Menlo Park, CA 94025 — (650) 771-4532 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ron Ramies Inc](https://ctcfinder.com/tester/ron-ramies-inc-portola-valley/)** — 115 Portola Rd, Portola Valley, CA 94028 — (650) 400-2116 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Aman Smog](https://ctcfinder.com/tester/aman-smog-newark/)** — 6240 Market Ave, Newark, CA 94560 — (510) 589-8108 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Highway Tires and Truck/Trailer Repair](https://ctcfinder.com/tester/highway-tires-and-truck-trailer-repair-newark/)** — 6711 Central Ave, Newark, CA 94560 — (510) 602-5340 — 8 mi. Services: OBD testing. - **[L & D mobile repair](https://ctcfinder.com/tester/l-and-d-mobile-repair-newark/)** — 38599 Rockrose Ct, Newark, CA 94560 — (209) 321-5293 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[L&D Repair](https://ctcfinder.com/tester/l-and-d-repair-newark/)** — 38599 Rockrose Ct, Newark, CA 94560 — (619) 347-4279 — 8 mi. Services: mobile testing, OBD testing. ## Trucking in Mountain View 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 Mountain View? CTC Finder lists 3 testing businesses in Mountain View 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 Mountain View? Yes. 3 listed businesses in Mountain View 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 Mountain View? 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 - [Santa Clara](https://ctcfinder.com/testers/santa-clara-county/santa-clara/) — 3 listings, 6 mi - [Newark](https://ctcfinder.com/testers/alameda-county/newark/) — 4 listings, 8 mi - [Redwood City](https://ctcfinder.com/testers/san-mateo-county/redwood-city/) — 3 listings, 10 mi - [Campbell](https://ctcfinder.com/testers/santa-clara-county/campbell/) — 3 listings, 10 mi - [Milpitas](https://ctcfinder.com/testers/santa-clara-county/milpitas/) — 3 listings, 12 mi - [Fremont](https://ctcfinder.com/testers/alameda-county/fremont/) — 12 listings, 12 mi - [San Jose](https://ctcfinder.com/testers/santa-clara-county/san-jose/) — 41 listings, 13 mi - [Union City](https://ctcfinder.com/testers/alameda-county/union-city/) — 6 listings, 14 mi - [Hayward](https://ctcfinder.com/testers/alameda-county/hayward/) — 18 listings, 17 mi - [San Mateo](https://ctcfinder.com/testers/san-mateo-county/san-mateo/) — 4 listings, 17 mi