---
title: "Alexander Hansen — Clean Truck Check, Auburn, WA"
description: "Alexander Hansen in Auburn, WA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/alexander-hansen-auburn-wa/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Alexander Hansen

Clean Truck Check tester in Auburn, 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 | Auburn, WA 98092 |
| Phone | (858) 964-8163 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Alexander Hansen 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 |

## Clean Truck Check testers in Washington

Alexander Hansen 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 Alexander Hansen offer mobile Clean Truck Check testing?

Yes. Alexander Hansen 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 Alexander Hansen test a 2012 or older diesel truck?

Alexander Hansen 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 Alexander Hansen charge for a Clean Truck Check?

Alexander Hansen has not published prices with us; call (858) 964-8163 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 Alexander Hansen a CARB-credentialed tester?

Alexander Hansen 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

- **[kulbir S.Padda](https://ctcfinder.com/tester/kulbir-s-padda-pacific-wa/)** — Pacific, WA 98047 — (206) 773-6136 — 6 mi. Services: mobile testing, OBD testing.
- **[Vats Logistics](https://ctcfinder.com/tester/vats-logistics-kent-wa/)** — 10604 SE 243rd Pl, Kent, WA 98030 — (253) 929-9392 — 6 mi. Services: mobile testing, OBD testing.
- **[Ace Relocation Systems](https://ctcfinder.com/tester/ace-relocation-systems-auburn-wa/)** — 1701 Pike Ave #100, Auburn, WA 98001 — (858) 410-2448 — 7 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Timothy Turnbull](https://ctcfinder.com/tester/timothy-turnbull-sumner-wa/)** — Sumner, WA 98390 — (509) 770-1438 — 7 mi. Services: OBD testing.
- **[Torpedo Truck Repair LLC](https://ctcfinder.com/tester/torpedo-truck-repair-llc-kent-wa/)** — 21844 76th Ave S, Kent, WA 98032 — (253) 802-3753 — 9 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Vic Express Inc](https://ctcfinder.com/tester/vic-express-inc-buckley-wa/)** — 23149 65th St E, Buckley, WA 98321 — (253) 313-4824 — 10 mi. Services: mobile testing, OBD testing.