--- title: "Clean Truck Check Testers in Madera, CA (15 listed)" description: "Find 15 CARB-credentialed Clean Truck Check testers in Madera, Madera County: 12 offer mobile testing, 3 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/madera-county/madera/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Madera, CA 15 testing businesses in Madera (Madera County) are on CARB's public Clean Truck Check tester list (15 credentialed testers). 12 offer mobile testing, 3 do smoke opacity tests, 10 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 Madera - **[( MADERA CA ) Gold Medal Automotive](https://ctcfinder.com/tester/madera-ca-gold-medal-automotive-madera/)** — 447 Noble St Ste 101, Madera, CA 93637 — (559) 481-8591. Services: OBD testing, motorhome testing. - **[24/7 Roadside](https://ctcfinder.com/tester/24-7-roadside-madera/)** — 32001 Avenue 11 1/4, Madera, CA 93636 — (559) 708-9884. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Advanced Automotive Smog & Repair INC](https://ctcfinder.com/tester/advanced-automotive-smog-and-repair-inc-madera/)** — 311 S Pine St Suite 106, Madera, CA 93637 — (559) 661-8744. Services: mobile testing, OBD testing, motorhome testing. - **[Antonio Figueroa Tester Account](https://ctcfinder.com/tester/antonio-figueroa-tester-account-madera/)** — 1191 Toschi Dr, Madera, CA 93637 — (559) 871-7700. Services: mobile testing, OBD testing, motorhome testing. - **[Cali Trucking Compliance](https://ctcfinder.com/tester/cali-trucking-compliance-madera/)** — 17534 Lane Dr, Madera, CA 93638 — (559) 716-8694. Services: mobile testing, OBD testing, motorhome testing. - **[Carlos Mazon](https://ctcfinder.com/tester/carlos-mazon-madera/)** — Madera, CA 93637 — (559) 975-5092. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Central Valley Permits INC](https://ctcfinder.com/tester/central-valley-permits-inc-madera/)** — 1128 Peach Tree Dr, Madera, CA 93637 — (559) 507-6909. Services: mobile testing, OBD testing. - **[Clarks Performance](https://ctcfinder.com/tester/clarks-performance-madera/)** — 40101 Avenue 10, Madera, CA 93636 — (559) 706-9303. Services: OBD testing, motorhome testing. - **[Direct Diesel](https://ctcfinder.com/tester/direct-diesel-madera/)** — 28864 Rancho Ave, Madera, CA 93638 — (559) 647-7674. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Guillermo Maciel](https://ctcfinder.com/tester/guillermo-maciel-madera/)** — Madera, CA 93638 — (559) 706-2984. Services: mobile testing, OBD testing, motorhome testing. - **[Jose Perez](https://ctcfinder.com/tester/jose-perez-madera/)** — Madera, CA 93637 — (559) 395-2488. Services: mobile testing, OBD testing, motorhome testing. - **[Madera Auto Tires & Repairs](https://ctcfinder.com/tester/madera-auto-tires-and-repairs-madera/)** — 610 N E St Suite 112, Madera, CA 93638 — (559) 363-0886. Services: mobile testing, OBD testing. - **[Rafael Portillo](https://ctcfinder.com/tester/rafael-portillo-madera/)** — Madera, CA 93638 — (209) 297-1412. Services: mobile testing, OBD testing, motorhome testing. - **[Simon Hernandez](https://ctcfinder.com/tester/simon-hernandez-madera/)** — Madera, CA 93636 — (559) 394-7733. Services: mobile testing, OBD testing, motorhome testing. - **[Truckside Diesel Repair LLC](https://ctcfinder.com/tester/truckside-diesel-repair-llc-madera/)** — 17270 Karen Rd, Madera, CA 93636 — (559) 274-2056. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[Amanpreet Singh](https://ctcfinder.com/tester/amanpreet-singh-fresno/)** — Fresno, CA 93723 — (425) 505-7066 — 14 mi. Services: mobile testing. - **[Harjot Chauhan](https://ctcfinder.com/tester/harjot-chauhan-fresno/)** — Fresno, CA 93723 — (559) 696-6830 — 14 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Malhi Truck Road Service](https://ctcfinder.com/tester/malhi-truck-road-service-fresno/)** — 6382 W Portola Ave, Fresno, CA 93723 — (559) 349-9010 — 14 mi. Services: mobile testing, OBD testing. - **[Sahil LNU](https://ctcfinder.com/tester/sahil-lnu-fresno/)** — Fresno, CA 93723 — (559) 715-6002 — 14 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Valley Truck Solutions](https://ctcfinder.com/tester/valley-truck-solutions-chowchilla/)** — 23420 Valeta Dr, Chowchilla, CA 93610 — (559) 474-0067 — 15 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Valley Truck Solutions, LLC](https://ctcfinder.com/tester/valley-truck-solutions-llc-chowchilla/)** — 23420 Valeta Dr, Chowchilla, CA 93610 — (559) 706-7501 — 15 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Clean Truck Check](https://ctcfinder.com/tester/clean-truck-check-fresno/)** — 3352 W Oswego Ave, Fresno, CA 93711 — (559) 293-1050 — 16 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Iron Horse Diesel Repair & Emissions](https://ctcfinder.com/tester/iron-horse-diesel-repair-and-emissions-fresno/)** — 261 W Audubon Dr, Fresno, CA 93711 — (559) 281-7415 — 16 mi. Services: mobile testing, OBD testing, motorhome testing. - **[A smog brothers](https://ctcfinder.com/tester/a-smog-brothers-fresno/)** — 3285 W Belmont Ave, Fresno, CA 93722 — (559) 271-7645 — 16 mi. Services: mobile testing, smoke opacity (non-OBD) testing, motorhome testing. - **[AAA Inspections](https://ctcfinder.com/tester/aaa-inspections-fresno/)** — 2387 N Hanover Ave, Fresno, CA 93722 — (559) 705-4150 — 16 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CK Truck & Trailer Repair INC](https://ctcfinder.com/tester/ck-truck-and-trailer-repair-inc-fresno/)** — 5249 N Cornelia Ave, Fresno, CA 93722 — (559) 916-8999 — 16 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Cold Storage Technologies](https://ctcfinder.com/tester/cold-storage-technologies-fresno/)** — Fresno, CA 93722 — (559) 265-2637 — 16 mi. Services: mobile testing, OBD 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 Madera? CTC Finder lists 15 testing businesses in Madera from CARB's public tester list (15 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 Madera? Yes. 12 listed businesses in Madera 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 Madera? 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 - [Kerman](https://ctcfinder.com/testers/fresno-county/kerman/) — 3 listings, 18 mi - [Fresno](https://ctcfinder.com/testers/fresno-county/fresno/) — 74 listings, 21 mi - [Clovis](https://ctcfinder.com/testers/fresno-county/clovis/) — 9 listings, 24 mi - [Mendota](https://ctcfinder.com/testers/fresno-county/mendota/) — 3 listings, 30 mi - [Dos Palos](https://ctcfinder.com/testers/merced-county/dos-palos/) — 4 listings, 32 mi - [Fowler](https://ctcfinder.com/testers/fresno-county/fowler/) — 5 listings, 32 mi - [Merced](https://ctcfinder.com/testers/merced-county/merced/) — 13 listings, 33 mi - [Sanger](https://ctcfinder.com/testers/fresno-county/sanger/) — 4 listings, 35 mi - [Selma](https://ctcfinder.com/testers/fresno-county/selma/) — 11 listings, 38 mi