---
title: "Clean Truck Check Testers in San Jose, CA (41 listed)"
description: "Find 41 CARB-credentialed Clean Truck Check testers in San Jose, Santa Clara County: 36 offer mobile testing, 15 do smoke opacity tests. Phone numbers…"
url: "https://ctcfinder.com/testers/santa-clara-county/san-jose/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Truck Check testers in San Jose, CA

41 testing businesses in San Jose (Santa Clara County) are on CARB's public Clean Truck Check tester list (41 credentialed testers). 36 offer mobile testing, 15 do smoke opacity tests, 25 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 San Jose

- **[Alcaraz Transportation, Inc.](https://ctcfinder.com/tester/alcaraz-transportation-inc-san-jose/)** — 1982 Tymn Way, San Jose, CA 95122 — (408) 591-6970. Services: mobile testing, OBD testing, motorhome testing.
- **[Andrew Le](https://ctcfinder.com/tester/andrew-le-san-jose/)** — San Jose, CA 95121 — (408) 805-9671. Services: mobile testing, OBD testing, motorhome testing.
- **[Auto City Reg](https://ctcfinder.com/tester/auto-city-reg-san-jose/)** — 3148 Alum Rock Ave, San Jose, CA 95127 — (408) 489-3215. Services: not listed.
- **[Bay Area Truck Services](https://ctcfinder.com/tester/bay-area-truck-services-san-jose/)** — 1255 Yard Ct, San Jose, CA 95133 — (408) 593-4750. Services: mobile testing, OBD testing.
- **[Benjamin Nguyen](https://ctcfinder.com/tester/benjamin-nguyen-san-jose/)** — San Jose, CA 95131 — (408) 964-8829. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Benjamin Ruiz](https://ctcfinder.com/tester/benjamin-ruiz-san-jose/)** — San Jose, CA 95122 — (408) 455-4370. Services: mobile testing, OBD testing.
- **[Big RIG Smog](https://ctcfinder.com/tester/big-rig-smog-san-jose/)** — 14185 Story Rd, San Jose, CA 95127 — (408) 514-8093. Services: mobile testing, 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. Services: mobile testing, OBD testing.
- **[BZ Truck Smog](https://ctcfinder.com/tester/bz-truck-smog-san-jose/)** — 4025 Holly Dr, San Jose, CA 95127 — (408) 717-2865. Services: mobile testing, OBD 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. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[CS Autoworks](https://ctcfinder.com/tester/cs-autoworks-san-jose/)** — San Jose, CA 95110 — (408) 636-6210. Services: mobile testing, OBD testing, motorhome 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. Services: mobile testing, OBD testing, smoke opacity (non-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. Services: OBD testing.
- **[Ed Boland](https://ctcfinder.com/tester/ed-boland-san-jose/)** — San Jose, CA 95131 — (408) 997-9229. Services: mobile testing, 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. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[GX2](https://ctcfinder.com/tester/gx2-san-jose/)** — 4353 Hyland Ave, San Jose, CA 95127 — (909) 522-0984. Services: mobile testing, OBD testing, motorhome testing.
- **[Hung Do](https://ctcfinder.com/tester/hung-do-san-jose/)** — San Jose, CA 95122 — (408) 209-8119. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[James Risher](https://ctcfinder.com/tester/james-risher-san-jose/)** — San Jose, CA 95123 — (775) 781-0679. Services: mobile testing, OBD testing.
- **[Jose Medina](https://ctcfinder.com/tester/jose-medina-san-jose/)** — San Jose, CA 95131 — (408) 838-1146. Services: OBD testing, smoke opacity (non-OBD) 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. 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. Services: mobile testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mike Kazemi](https://ctcfinder.com/tester/mike-kazemi-san-jose/)** — San Jose, CA 95124 — (510) 357-2525. Services: mobile testing, OBD testing, motorhome testing.
- **[Mike's Technical](https://ctcfinder.com/tester/mikes-technical-san-jose/)** — San Jose, CA 95116 — (949) 817-9249. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Norcal CARB Check Diesel Testing](https://ctcfinder.com/tester/norcal-carb-check-diesel-testing-san-jose/)** — San Jose, CA 95127 — (408) 843-0703. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Piston Dorado](https://ctcfinder.com/tester/piston-dorado-san-jose/)** — San Jose, CA 95112 — (650) 457-4699. Services: mobile testing, OBD 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. Services: mobile testing, OBD testing, motorhome testing.
- **[Raju Trucking INC](https://ctcfinder.com/tester/raju-trucking-inc-san-jose/)** — 275 Pala Ave, San Jose, CA 95127 — (408) 250-6643. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Raul Rivas](https://ctcfinder.com/tester/raul-rivas-san-jose/)** — San Jose, CA 95111 — (408) 422-3861. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Reed & Graham Inc.](https://ctcfinder.com/tester/reed-and-graham-inc-san-jose/)** — 690 Sunol St, San Jose, CA 95126 — (408) 640-7203. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[Reo Inc-Stchevron](https://ctcfinder.com/tester/reo-inc-stchevron-san-jose/)** — 6096 Cottle Rd, San Jose, CA 95123 — (408) 226-7414. Services: OBD testing, motorhome testing.
- **[Roberto Garcia](https://ctcfinder.com/tester/roberto-garcia-san-jose/)** — San Jose, CA 95123 — (669) 286-6463. Services: mobile testing, OBD testing.
- **[Samuel Noriega](https://ctcfinder.com/tester/samuel-noriega-san-jose/)** — San Jose, CA 95126 — (669) 444-4479. Services: mobile testing, OBD testing, motorhome testing.
- **[San Jose clean truck check](https://ctcfinder.com/tester/san-jose-clean-truck-check-san-jose/)** — 5564 Monterey Rd, San Jose, CA 95138 — (209) 996-5923. Services: mobile testing, OBD testing, motorhome testing.
- **[San Jose Conservation Corps - San Jose, CA](https://ctcfinder.com/tester/san-jose-conservation-corps-san-jose-ca-san-jose/)** — 1560 Berger Dr, San Jose, CA 95112 — (408) 472-7093. Services: mobile testing, OBD testing.
- **[Silicon Valley Ctc testing](https://ctcfinder.com/tester/silicon-valley-ctc-testing-san-jose/)** — 1525 Meadow Glen Way, San Jose, CA 95121 — (408) 601-9202. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Sonny Ramirez](https://ctcfinder.com/tester/sonny-ramirez-san-jose/)** — San Jose, CA 95127 — (408) 409-6135. Services: mobile testing, OBD 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. Services: mobile testing, OBD testing, motorhome testing.
- **[Sunset OBD Testing](https://ctcfinder.com/tester/sunset-obd-testing-san-jose/)** — 1815 Alum Rock Ave, San Jose, CA 95116 — (650) 660-6770. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Tajinder Singh](https://ctcfinder.com/tester/tajinder-singh-san-jose/)** — San Jose, CA 95148 — (408) 914-1531. Services: mobile testing, OBD testing.
- **[White Diamond Tester](https://ctcfinder.com/tester/white-diamond-tester-san-jose/)** — 63 Grandwell Way, San Jose, CA 95138 — (408) 603-9715. Services: mobile testing, OBD testing, motorhome testing.
- **[X&L clean carb testing](https://ctcfinder.com/tester/x-and-l-clean-carb-testing-san-jose/)** — San Jose, CA 95116 — (408) 401-2149. Services: mobile testing, OBD testing.

## More testers within 20 miles

- **[Andrew Newland](https://ctcfinder.com/tester/andrew-newland-campbell/)** — Campbell, CA 95008 — (408) 691-1746 — 7 mi. 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 — 7 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Timothy Nunez](https://ctcfinder.com/tester/timothy-nunez-campbell/)** — Campbell, CA 95008 — (408) 767-8971 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Hasan Gundogan](https://ctcfinder.com/tester/hasan-gundogan-milpitas/)** — Milpitas, CA 95035 — (650) 407-8032 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Michael Peregrino](https://ctcfinder.com/tester/michael-peregrino-milpitas/)** — Milpitas, CA 95035 — (408) 420-1244 — 8 mi. 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 — 8 mi. Services: mobile testing, OBD testing.
- **[IH](https://ctcfinder.com/tester/ih-santa-clara/)** — 2287 Lenox Pl, Santa Clara, CA 95054 — (408) 593-3050 — 8 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 — 8 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 — 8 mi. Services: mobile testing, OBD testing.
- **[Smog Check Car](https://ctcfinder.com/tester/smog-check-car-sunnyvale/)** — 698 N Fair Oaks Ave, Sunnyvale, CA 94085 — (408) 966-8200 — 10 mi. Services: 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 — 11 mi. Services: mobile testing, OBD testing.
- **[A.J.’s Mobile Truck Service](https://ctcfinder.com/tester/a-j-s-mobile-truck-service-los-gatos/)** — 123 Bacigalupi Dr, Los Gatos, CA 95032 — (408) 482-7358 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.

## Trucking in San Jose

San Jose has the largest number of listed testers in the Bay Area, serving construction, utility and distribution fleets across Santa Clara County.

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 San Jose?

CTC Finder lists 41 testing businesses in San Jose from CARB's public tester list (41 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 San Jose?

Yes. 36 listed businesses in San Jose 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 San Jose?

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

- [Campbell](https://ctcfinder.com/testers/santa-clara-county/campbell/) — 3 listings, 7 mi
- [Milpitas](https://ctcfinder.com/testers/santa-clara-county/milpitas/) — 3 listings, 8 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, 13 mi
- [Newark](https://ctcfinder.com/testers/alameda-county/newark/) — 4 listings, 16 mi
- [Fremont](https://ctcfinder.com/testers/alameda-county/fremont/) — 12 listings, 16 mi
- [Morgan Hill](https://ctcfinder.com/testers/santa-clara-county/morgan-hill/) — 6 listings, 17 mi
- [Union City](https://ctcfinder.com/testers/alameda-county/union-city/) — 6 listings, 22 mi
- [Redwood City](https://ctcfinder.com/testers/san-mateo-county/redwood-city/) — 3 listings, 23 mi
- [Hayward](https://ctcfinder.com/testers/alameda-county/hayward/) — 18 listings, 25 mi