--- title: "Clean Truck Check Testers in Crescent City, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Crescent City, Del Norte County: 2 offer mobile testing, 2 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/del-norte-county/crescent-city/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Crescent City, CA 3 testing businesses in Crescent City (Del Norte County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 2 offer mobile testing, 2 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 Crescent City - **[Hambro Waste Solution Group](https://ctcfinder.com/tester/hambro-waste-solution-group-crescent-city/)** — 445 Elk Valley Rd, Crescent City, CA 95531 — (707) 218-5661. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Michael Vancott](https://ctcfinder.com/tester/michael-vancott-crescent-city/)** — Crescent City, CA 95531 — (530) 514-6185. Services: mobile testing, OBD testing, motorhome testing. - **[Mor-Jon, Inc](https://ctcfinder.com/tester/mor-jon-inc-crescent-city/)** — 137 E Washington Blvd, Crescent City, CA 95531 — (707) 464-4131. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## 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 Crescent City? CTC Finder lists 3 testing businesses in Crescent City 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 Crescent City? Yes. 2 listed businesses in Crescent City 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 Crescent City? 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