---
title: "Clean Truck Check Testers in Madera County, CA (22)"
description: "22 CARB-credentialed Clean Truck Check testers in Madera County, California, across 6 cities. 19 offer mobile testing. Search by city, see phone numbers and…"
url: "https://ctcfinder.com/testers/madera-county/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Truck Check testers in Madera County, California

22 testing businesses in 6 cities; 19 offer mobile testing, 6 do smoke opacity tests, 17 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.

## City pages

- [Madera](https://ctcfinder.com/testers/madera-county/madera/) — 15 listings

## Chowchilla

- **[Valley Truck Solutions](https://ctcfinder.com/tester/valley-truck-solutions-chowchilla/)** — 23420 Valeta Dr, Chowchilla, CA 93610 — (559) 474-0067. 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. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.

## Coarsegold

- **[Repair-All](https://ctcfinder.com/tester/repair-all-coarsegold/)** — 35472 Wells Rd, Coarsegold, CA 93614 — (559) 304-8611. Services: mobile testing, OBD testing, motorhome testing.

## Friant

- **[Truck CARB Testing](https://ctcfinder.com/tester/truck-carb-testing-friant/)** — 21140 Ruscello Ln, Friant, CA 93626 — (559) 785-0874. Services: mobile testing, OBD testing, motorhome testing.

## North Fork

- **[Neal Cook Enterprise LLC](https://ctcfinder.com/tester/neal-cook-enterprise-llc-north-fork/)** — 34553 Northridge Rd, North Fork, CA 93643 — (559) 563-2629. Services: mobile testing, OBD testing, motorhome testing.

## Oakhurst

- **[Charles Allen](https://ctcfinder.com/tester/charles-allen-oakhurst/)** — Oakhurst, CA 93644 — (559) 760-6578. Services: mobile testing, OBD testing, motorhome testing.
- **[The Burrow Corp Inc dba Design Electric](https://ctcfinder.com/tester/the-burrow-corp-inc-dba-design-electric-oakhurst/)** — 53318 Road 419, Oakhurst, CA 93644 — (559) 907-2387. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.


## Frequently asked questions

### How many Clean Truck Check testers are in Madera County?

CTC Finder lists 22 testing businesses in Madera County from CARB's public tester list (22 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 County?

Yes. 19 listed businesses in Madera County 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 County?

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/).