---
title: "Brett Horgen — Clean Truck Check, Lynden, WA | CTC Finder"
description: "Brett Horgen in Lynden, WA is on CARB's Clean Truck Check tester list. Offers OBD testing, motorhome testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/brett-horgen-lynden-wa/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Brett Horgen

Clean Truck Check tester in Lynden, WA.

> 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 | Lynden, WA 98264 |
| Phone | (360) 927-3847 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Brett Horgen 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 | Yes |

## Clean Truck Check testers in Washington

Brett Horgen is one of 17 testing businesses in Washington on CARB's public tester list. 11 of them offer mobile testing and 2 do smoke opacity tests.

## 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 Brett Horgen offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester.

### Can Brett Horgen test a 2012 or older diesel truck?

Brett Horgen does not list smoke opacity testing, which older non-OBD diesel trucks need. Trucks from 2013 on get an OBD scan instead.

### How much does Brett Horgen charge for a Clean Truck Check?

Brett Horgen has not published prices with us; call (360) 927-3847 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 Brett Horgen a CARB-credentialed tester?

Brett Horgen 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

- **[LD TruckWorks](https://ctcfinder.com/tester/ld-truckworks-lynden-wa/)** — Lynden, WA 98264 — (360) 594-7398 — 1 mi. Services: OBD testing, motorhome testing.