---
title: "Smog Environmental — Clean Truck Check, Garden Grove, CA"
description: "Smog Environmental in Garden Grove, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/smog-environmental-garden-grove/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Smog Environmental

Clean Truck Check tester in Garden Grove, 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 | Garden Grove, CA 92844 |
| County | Orange County |
| Phone | (925) 234-0494 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Smog Environmental 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 |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is David Eduardo in Garden Grove, about 1 mile away. [See listing](https://ctcfinder.com/tester/david-eduardo-garden-grove/).

## Clean Truck Check testers in Orange County

Smog Environmental 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 Garden Grove itself there are 10 listed businesses, 10 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 Smog Environmental offer mobile Clean Truck Check testing?

Yes. Smog Environmental 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 Smog Environmental test a 2012 or older diesel truck?

Smog Environmental does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [David Eduardo](https://ctcfinder.com/tester/david-eduardo-garden-grove/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Smog Environmental charge for a Clean Truck Check?

Smog Environmental has not published prices with us; call (925) 234-0494 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 Smog Environmental a CARB-credentialed tester?

Smog Environmental 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

- **[David Eduardo](https://ctcfinder.com/tester/david-eduardo-garden-grove/)** — Garden Grove, CA 92844 — (714) 717-4738 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Auto Research & Clean Truck Check](https://ctcfinder.com/tester/auto-research-and-clean-truck-check-garden-grove/)** — 7527 Park Ave, Garden Grove, CA 92841 — (714) 728-8228 — 2 mi. Services: mobile testing, OBD testing.
- **[LosAngeles, LongBeach Port mobile service](https://ctcfinder.com/tester/losangeles-longbeach-port-mobile-service-garden-grove/)** — 12242 Fieldgate St, Garden Grove, CA 92841 — (213) 400-7777 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Tu Nguyen](https://ctcfinder.com/tester/tu-nguyen-garden-grove/)** — Garden Grove, CA 92841 — (714) 312-9480 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Clean Carb Experts](https://ctcfinder.com/tester/clean-carb-experts-westminster/)** — 13872 Iowa St, Westminster, CA 92683 — (714) 356-8410 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Dennis Luu](https://ctcfinder.com/tester/dennis-luu-westminster/)** — Westminster, CA 92683 — (714) 705-9984 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.