---
title: "24/7 Roadside — Clean Truck Check, Madera, CA | CTC Finder"
description: "24/7 Roadside in Madera, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing. Phone, address and…"
url: "https://ctcfinder.com/tester/24-7-roadside-madera/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# 24/7 Roadside

Clean Truck Check tester in Madera, CA (Madera County).

> 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.

| Field | Value |
|---|---|
| Location | 32001 Avenue 11 1/4, Madera, CA 93636 |
| County | Madera County |
| Phone | (559) 708-9884 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks 24/7 Roadside can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |

## Clean Truck Check testers in Madera County

24/7 Roadside is one of 22 testing businesses in Madera County on CARB's public tester list. 19 of them offer mobile testing and 6 do smoke opacity tests. In Madera itself there are 15 listed businesses, 12 of them mobile.

## When your truck is due

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/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does 24/7 Roadside offer mobile Clean Truck Check testing?

Yes. 24/7 Roadside says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can 24/7 Roadside test a 2012 or older diesel truck?

Yes. 24/7 Roadside lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does 24/7 Roadside charge for a Clean Truck Check?

24/7 Roadside has not published prices with us; call (559) 708-9884 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is 24/7 Roadside a CARB-credentialed tester?

24/7 Roadside appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[Clarks Performance](https://ctcfinder.com/tester/clarks-performance-madera/)** — 40101 Avenue 10, Madera, CA 93636 — (559) 706-9303 — 1 mi. Services: OBD testing, motorhome testing.
- **[Simon Hernandez](https://ctcfinder.com/tester/simon-hernandez-madera/)** — Madera, CA 93636 — (559) 394-7733 — 1 mi. 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 — 1 mi. Services: mobile testing, OBD testing.
- **[Pintail Hauling LLC](https://ctcfinder.com/tester/pintail-hauling-llc-fresno/)** — 550 E Chesapeake Cir, Fresno, CA 93730 — (559) 287-0157 — 9 mi. Services: mobile testing, OBD testing.
- **[Cali Trucking Compliance](https://ctcfinder.com/tester/cali-trucking-compliance-madera/)** — 17534 Lane Dr, Madera, CA 93638 — (559) 716-8694 — 10 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Direct Diesel](https://ctcfinder.com/tester/direct-diesel-madera/)** — 28864 Rancho Ave, Madera, CA 93638 — (559) 647-7674 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.