--- title: "Clean Truck Check Testers in Tehachapi, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Tehachapi, Kern County: 3 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/kern-county/tehachapi/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Tehachapi, CA 3 testing businesses in Tehachapi (Kern County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 3 offer mobile testing, 2 do smoke opacity tests, 3 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 Tehachapi - **[D&M Fleet Compliance](https://ctcfinder.com/tester/d-and-m-fleet-compliance-tehachapi/)** — 29960 N Lower Valley Rd, Tehachapi, CA 93561 — (661) 305-6963. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[DPT Auto](https://ctcfinder.com/tester/dpt-auto-tehachapi/)** — 230 E Tehachapi Blvd, Tehachapi, CA 93561 — (661) 822-1600. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[st Priority Vehicle Registration Service](https://ctcfinder.com/tester/st-priority-vehicle-registration-service-tehachapi/)** — 20725 South St STE 12, Tehachapi, CA 93561 — (661) 557-1106. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Flavio Gonzalez](https://ctcfinder.com/tester/flavio-gonzalez-arvin/)** — Arvin, CA 93203 — (661) 432-0745 — 19 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Big iron](https://ctcfinder.com/tester/big-iron-rosamond/)** — Rosamond, CA 93560 — (661) 643-2427 — 19 mi. Services: mobile testing, OBD testing. - **[Snail Race Transportation LLC](https://ctcfinder.com/tester/snail-race-transportation-llc-rosamond/)** — 2156 Manchester St, Rosamond, CA 93560 — (661) 537-5376 — 19 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Tehachapi Kern County, led by Bakersfield, mixes oil-field service, agriculture and long-haul trucking on SR-99, I-5 and SR-58. ## 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 Tehachapi? CTC Finder lists 3 testing businesses in Tehachapi 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 Tehachapi? Yes. 3 listed businesses in Tehachapi 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 Tehachapi? 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 - [Bakersfield](https://ctcfinder.com/testers/kern-county/bakersfield/) — 78 listings, 33 mi - [Lancaster](https://ctcfinder.com/testers/los-angeles-county/lancaster/) — 16 listings, 33 mi