--- title: "Clean Truck Check Testers in Redding, CA (9 listed)" description: "Find 9 CARB-credentialed Clean Truck Check testers in Redding, Shasta County: 8 offer mobile testing, 4 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/shasta-county/redding/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Redding, CA 9 testing businesses in Redding (Shasta County) are on CARB's public Clean Truck Check tester list (10 credentialed testers). 8 offer mobile testing, 4 do smoke opacity tests, 6 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 Redding - **[Diesel Emissions Service](https://ctcfinder.com/tester/diesel-emissions-service-redding/)** — 16435 Clear Creek Rd, Redding, CA 96001 — (530) 241-2851. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Clean Truck Check Redding](https://ctcfinder.com/tester/clean-truck-check-redding-redding/)** — 875 Hartnell Ave, Redding, CA 96002 — (530) 351-3987. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[David Duree](https://ctcfinder.com/tester/david-duree-redding/)** — Redding, CA 96002 — (530) 356-3945. Services: mobile testing, OBD testing, motorhome testing. - **[Independent Structures, Inc.](https://ctcfinder.com/tester/independent-structures-inc-redding/)** — 8490 Hartmeyer Ln, Redding, CA 96002 — (530) 604-1957. Services: mobile testing, OBD testing, motorhome testing. - **[Jiffys Truck Rental](https://ctcfinder.com/tester/jiffys-truck-rental-redding/)** — 875 Hartnell Ave, Redding, CA 96002 — (323) 313-5137. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[McCracken Equipment Repair LLC](https://ctcfinder.com/tester/mccracken-equipment-repair-llc-redding/)** — 8710 Quail Valley Dr, Redding, CA 96002 — (530) 338-9338. Services: mobile testing, OBD testing. - **[Sam Dodson](https://ctcfinder.com/tester/sam-dodson-redding/)** — Redding, CA 96003 — (530) 941-1989. Services: OBD testing, smoke opacity (non-OBD) testing. - **[The Green Earth Company (Mobile)](https://ctcfinder.com/tester/the-green-earth-company-mobile-redding/)** — 582 Olympic St, Redding, CA 96003 — (530) 604-8562. Services: mobile testing, OBD testing, motorhome testing. - **[Travel Centers of America](https://ctcfinder.com/tester/travel-centers-of-america-redding/)** — Redding, CA 96002 — (530) 221-4760. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[Anderson Smog Shop](https://ctcfinder.com/tester/anderson-smog-shop-anderson/)** — 2374 North St, Anderson, CA 96007 — (530) 378-5558 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Corvan Morrison III](https://ctcfinder.com/tester/corvan-morrison-iii-anderson/)** — Anderson, CA 96007 — (432) 923-9336 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Dan Palmer Trucking](https://ctcfinder.com/tester/dan-palmer-trucking-anderson/)** — 7211 Sands Ln, Anderson, CA 96007 — (530) 510-3835 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[DAN Palmer Trucking and Repair](https://ctcfinder.com/tester/dan-palmer-trucking-and-repair-anderson/)** — 7211 Sands Ln, Anderson, CA 96007 — (530) 365-6355 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jamey Howard](https://ctcfinder.com/tester/jamey-howard-anderson/)** — Anderson, CA 96007 — (530) 782-2660 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Pape Kenworth Anderson](https://ctcfinder.com/tester/pape-kenworth-anderson-anderson/)** — Anderson, CA 96007 — (530) 957-6307 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Turner CTC Testing](https://ctcfinder.com/tester/turner-ctc-testing-anderson/)** — 1307 Aspen Dr, Anderson, CA 96007 — (530) 377-6625 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Aaron Rader](https://ctcfinder.com/tester/aaron-rader-palo-cedro/)** — Palo Cedro, CA 96073 — (530) 646-9273 — 8 mi. Services: not listed. - **[Gustafsons Mechanical](https://ctcfinder.com/tester/gustafsons-mechanical-shasta-lake/)** — 3548 Shasta Dam Blvd, Shasta Lake, CA 96019 — (530) 917-5509 — 9 mi. Services: mobile testing, OBD testing. - **[LESLIE harris](https://ctcfinder.com/tester/leslie-harris-cottonwood/)** — Cottonwood, CA 96022 — (530) 945-2462 — 17 mi. Services: mobile testing, 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 Redding? CTC Finder lists 9 testing businesses in Redding from CARB's public tester list (10 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 Redding? Yes. 8 listed businesses in Redding 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 Redding? 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 - [Anderson](https://ctcfinder.com/testers/shasta-county/anderson/) — 7 listings, 8 mi - [Red Bluff](https://ctcfinder.com/testers/tehama-county/red-bluff/) — 6 listings, 28 mi