--- title: "Clean Truck Check Testers in Milpitas, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Milpitas, Santa Clara County: 3 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/santa-clara-county/milpitas/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Milpitas, CA 3 testing businesses in Milpitas (Santa Clara County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 3 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 Milpitas - **[Hasan Gundogan](https://ctcfinder.com/tester/hasan-gundogan-milpitas/)** — Milpitas, CA 95035 — (650) 407-8032. Services: mobile testing, OBD testing, motorhome testing. - **[Michael Peregrino](https://ctcfinder.com/tester/michael-peregrino-milpitas/)** — Milpitas, CA 95035 — (408) 420-1244. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[One Stop Clean Air](https://ctcfinder.com/tester/one-stop-clean-air-milpitas/)** — 978 Ames Ave, Milpitas, CA 95035 — (408) 658-2093. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[Benjamin Nguyen](https://ctcfinder.com/tester/benjamin-nguyen-san-jose/)** — San Jose, CA 95131 — (408) 964-8829 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ed Boland](https://ctcfinder.com/tester/ed-boland-san-jose/)** — San Jose, CA 95131 — (408) 997-9229 — 4 mi. Services: mobile testing, OBD testing. - **[Jose Medina](https://ctcfinder.com/tester/jose-medina-san-jose/)** — San Jose, CA 95131 — (408) 838-1146 — 4 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Bay Area Truck Services](https://ctcfinder.com/tester/bay-area-truck-services-san-jose/)** — 1255 Yard Ct, San Jose, CA 95133 — (408) 593-4750 — 5 mi. Services: mobile testing, OBD testing. - **[CV Diesel Services INC](https://ctcfinder.com/tester/cv-diesel-services-inc-san-jose/)** — 1255 Yard Ct, San Jose, CA 95133 — (408) 594-8941 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Boos Mobile CTC](https://ctcfinder.com/tester/boos-mobile-ctc-san-jose/)** — 1714 Locksley Park Dr, San Jose, CA 95132 — (408) 627-3283 — 5 mi. Services: mobile testing, OBD testing. - **[HMSM group inc](https://ctcfinder.com/tester/hmsm-group-inc-fremont/)** — 43560 Bryant St, Fremont, CA 94539 — (831) 578-5663 — 6 mi. Services: mobile testing, 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. - **[Auto Mall Smog Test & Repair](https://ctcfinder.com/tester/auto-mall-smog-test-and-repair-fremont/)** — 43026 Christy St, Fremont, CA 94538 — (510) 493-1865 — 6 mi. Services: mobile testing, OBD testing. - **[Continental Truck Repair](https://ctcfinder.com/tester/continental-truck-repair-fremont/)** — Fremont, CA 94538 — (510) 709-7512 — 6 mi. Services: mobile testing, OBD testing. ## Trucking in Milpitas 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 Milpitas? CTC Finder lists 3 testing businesses in Milpitas 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 Milpitas? Yes. 3 listed businesses in Milpitas 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 Milpitas? 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 - [San Jose](https://ctcfinder.com/testers/santa-clara-county/san-jose/) — 41 listings, 8 mi - [Fremont](https://ctcfinder.com/testers/alameda-county/fremont/) — 12 listings, 9 mi - [Newark](https://ctcfinder.com/testers/alameda-county/newark/) — 4 listings, 10 mi - [Mountain View](https://ctcfinder.com/testers/santa-clara-county/mountain-view/) — 3 listings, 12 mi - [Campbell](https://ctcfinder.com/testers/santa-clara-county/campbell/) — 3 listings, 12 mi - [Union City](https://ctcfinder.com/testers/alameda-county/union-city/) — 6 listings, 15 mi - [Hayward](https://ctcfinder.com/testers/alameda-county/hayward/) — 18 listings, 18 mi - [Dublin](https://ctcfinder.com/testers/alameda-county/dublin/) — 4 listings, 19 mi - [Redwood City](https://ctcfinder.com/testers/san-mateo-county/redwood-city/) — 3 listings, 19 mi