---
title: "CARB Compliant Mobile Testing — Clean Truck Check, Auburn, CA"
description: "CARB Compliant Mobile Testing in Auburn, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address…"
url: "https://ctcfinder.com/tester/carb-compliant-mobile-testing-auburn/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# CARB Compliant Mobile Testing

Clean Truck Check tester in Auburn, CA (Placer 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 | 11590 Stonebrook Dr, Auburn, CA 95603 |
| County | Placer County |
| Phone | (916) 572-4917 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks CARB Compliant Mobile Testing 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 |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is CAP City Diesel Inspections in Auburn, about 1 mile away. [See listing](https://ctcfinder.com/tester/cap-city-diesel-inspections-auburn/).

## Clean Truck Check testers in Placer County

CARB Compliant Mobile Testing is one of 39 testing businesses in Placer County on CARB's public tester list. 36 of them offer mobile testing and 22 do smoke opacity tests. In Auburn itself there are 7 listed businesses, 7 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 CARB Compliant Mobile Testing offer mobile Clean Truck Check testing?

Yes. CARB Compliant Mobile Testing 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 CARB Compliant Mobile Testing test a 2012 or older diesel truck?

CARB Compliant Mobile Testing does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [CAP City Diesel Inspections](https://ctcfinder.com/tester/cap-city-diesel-inspections-auburn/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does CARB Compliant Mobile Testing charge for a Clean Truck Check?

CARB Compliant Mobile Testing has not published prices with us; call (916) 572-4917 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 CARB Compliant Mobile Testing a CARB-credentialed tester?

CARB Compliant Mobile Testing 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

- **[CAP City Diesel Inspections](https://ctcfinder.com/tester/cap-city-diesel-inspections-auburn/)** — 2945 Bell Rd, Auburn, CA 95603 — (916) 538-7777 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Juan Renderos](https://ctcfinder.com/tester/juan-renderos-auburn/)** — Auburn, CA 95603 — (949) 547-2585 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Lightfoot Mobile Truck Emissions](https://ctcfinder.com/tester/lightfoot-mobile-truck-emissions-auburn/)** — 12345 Hyde Park Ln, Auburn, CA 95603 — (916) 849-0426 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Motorhome/Truck test](https://ctcfinder.com/tester/motorhome-truck-test-newcastle/)** — Newcastle, CA 95658 — (916) 243-5089 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Samuel Nikoto- TRUCK, BUS, RV Mobile Testing](https://ctcfinder.com/tester/samuel-nikoto-truck-bus-rv-mobile-testing-newcastle/)** — Newcastle, CA 95658 — (916) 538-7777 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Allen l Chitty](https://ctcfinder.com/tester/allen-l-chitty-auburn/)** — Auburn, CA 95602 — (916) 225-0454 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.