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

# Mobile CARB Tester

Clean Truck Check tester in Orange, CA (Orange 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 | 1748 W Business Center Dr, Orange, CA 92867 |
| County | Orange County |
| Phone | (714) 743-7000 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Mobile CARB Tester 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 OC Clean Truck LLC in Orange, about 1 mile away. [See listing](https://ctcfinder.com/tester/oc-clean-truck-llc-orange/).

## Clean Truck Check testers in Orange County

Mobile CARB Tester is one of 159 testing businesses in Orange County on CARB's public tester list. 146 of them offer mobile testing and 84 do smoke opacity tests. In Orange itself there are 14 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 Mobile CARB Tester offer mobile Clean Truck Check testing?

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

Mobile CARB Tester does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [OC Clean Truck LLC](https://ctcfinder.com/tester/oc-clean-truck-llc-orange/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

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

Mobile CARB Tester has not published prices with us; call (714) 743-7000 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 Mobile CARB Tester a CARB-credentialed tester?

Mobile CARB Tester 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

- **[Clean Auto Inspections](https://ctcfinder.com/tester/clean-auto-inspections-orange/)** — Orange, CA 92867 — (714) 646-7223 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[OC Clean Truck LLC](https://ctcfinder.com/tester/oc-clean-truck-llc-orange/)** — Orange, CA 92867 — (714) 306-9803 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Orange High Test Only](https://ctcfinder.com/tester/orange-high-test-only-orange/)** — 896 N Cypress St, Orange, CA 92867 — (714) 289-1088 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Shawn Truong](https://ctcfinder.com/tester/shawn-truong-orange/)** — Orange, CA 92867 — (714) 397-8025 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Ryan Lane](https://ctcfinder.com/tester/ryan-lane-villa-park/)** — Villa Park, CA 92861 — (714) 204-1891 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Marks old towne service](https://ctcfinder.com/tester/marks-old-towne-service-anaheim/)** — 1391 N Jefferson St, Anaheim, CA 92807 — (714) 933-8077 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.