---
title: "CMC Smog Test Only — Clean Truck Check, La Habra, CA"
description: "CMC Smog Test Only in La Habra, 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/cmc-smog-test-only-la-habra/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# CMC Smog Test Only

Clean Truck Check tester in La Habra, 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 | 700 East Lambert Road, La Habra, CA 90631 |
| County | Orange County |
| Phone | (562) 371-7107 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks CMC Smog Test Only 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 Mike San Pedro in La Habra, about 1 mile away. [See listing](https://ctcfinder.com/tester/mike-san-pedro-la-habra/).

## Clean Truck Check testers in Orange County

CMC Smog Test Only 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 La Habra itself there are 6 listed businesses, 6 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 CMC Smog Test Only offer mobile Clean Truck Check testing?

Yes. CMC Smog Test Only 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 CMC Smog Test Only test a 2012 or older diesel truck?

CMC Smog Test Only does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Mike San Pedro](https://ctcfinder.com/tester/mike-san-pedro-la-habra/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does CMC Smog Test Only charge for a Clean Truck Check?

CMC Smog Test Only has not published prices with us; call (562) 371-7107 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 CMC Smog Test Only a CARB-credentialed tester?

CMC Smog Test Only 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

- **[Carb Test CA](https://ctcfinder.com/tester/carb-test-ca-la-habra/)** — 1800 Hodson Ave, La Habra, CA 90631 — (714) 397-9163 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Dave’s Clean truck check](https://ctcfinder.com/tester/daves-clean-truck-check-la-habra/)** — 2652 W Whittier Blvd, La Habra, CA 90631 — (323) 422-6942 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Francisco Del Rio](https://ctcfinder.com/tester/francisco-del-rio-la-habra/)** — La Habra, CA 90631 — (310) 913-5607 — 1 mi. Services: mobile testing, OBD testing.
- **[Mike San Pedro](https://ctcfinder.com/tester/mike-san-pedro-la-habra/)** — La Habra, CA 90631 — (562) 743-5497 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Vnmobiletesting](https://ctcfinder.com/tester/vnmobiletesting-la-habra/)** — 501 North Harbor Boulevard, La Habra, CA 90631 — (714) 397-8025 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Gerardo Reyes](https://ctcfinder.com/tester/gerardo-reyes-fullerton/)** — Fullerton, CA 92835 — (714) 906-0090 — 4 mi. Services: mobile testing, OBD testing.