---
title: "Anthony Mason — Clean Truck Check, Oroville, CA | CTC Finder"
description: "Anthony Mason in Oroville, CA is on CARB's Clean Truck Check tester list. Offers OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/anthony-mason-oroville/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Anthony Mason

Clean Truck Check tester in Oroville, CA (Butte 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 | Oroville, CA 95966 |
| County | Butte County |
| Phone | (530) 518-3862 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Anthony Mason 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 | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Sparks Repair in Brownsville, about 8 miles away. [See listing](https://ctcfinder.com/tester/sparks-repair-brownsville/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is HES Emergency Response LLC in Brownsville, about 8 miles away. [See listing](https://ctcfinder.com/tester/hes-emergency-response-llc-brownsville/).

## Clean Truck Check testers in Butte County

Anthony Mason is one of 24 testing businesses in Butte County on CARB's public tester list. 20 of them offer mobile testing and 8 do smoke opacity tests. In Oroville itself there are 4 listed businesses, 2 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 Anthony Mason offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [HES Emergency Response LLC](https://ctcfinder.com/tester/hes-emergency-response-llc-brownsville/) (about 8 miles).

### Can Anthony Mason test a 2012 or older diesel truck?

Anthony Mason does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Sparks Repair](https://ctcfinder.com/tester/sparks-repair-brownsville/) (about 8 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Anthony Mason charge for a Clean Truck Check?

Anthony Mason has not published prices with us; call (530) 518-3862 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 Anthony Mason a CARB-credentialed tester?

Anthony Mason 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

- **[B&G Smog](https://ctcfinder.com/tester/b-and-g-smog-oroville/)** — 1900A Huntoon Street, Oroville, CA 95966 — (530) 282-6441 — 1 mi. Services: OBD testing, motorhome testing.
- **[HES Emergency Response LLC](https://ctcfinder.com/tester/hes-emergency-response-llc-brownsville/)** — 8889 La Porte Rd, Brownsville, CA 95919 — (916) 820-9504 — 8 mi. Services: mobile testing, OBD testing.
- **[Sparks Repair](https://ctcfinder.com/tester/sparks-repair-brownsville/)** — 17479 New York House Rd, Brownsville, CA 95919 — (530) 718-9421 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Northstate Diesel](https://ctcfinder.com/tester/northstate-diesel-oroville/)** — 719 Nelson Ave, Oroville, CA 95965 — (530) 990-3505 — 12 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Woods Mobile Truck Testing ( We come to you )](https://ctcfinder.com/tester/woods-mobile-truck-testing-we-come-to-you-oroville/)** — 1808 10th St, Oroville, CA 95965 — (530) 712-1310 — 12 mi. Services: mobile testing, OBD testing.
- **[Chandler Hansis](https://ctcfinder.com/tester/chandler-hansis-marysville/)** — Marysville, CA 95901 — (530) 774-8041 — 18 mi. Services: not listed.