---
title: "Lawson CARB Compliance — Clean Truck Check, Visalia, CA"
description: "Lawson CARB Compliance in Visalia, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing. Phone…"
url: "https://ctcfinder.com/tester/lawson-carb-compliance-visalia/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Lawson CARB Compliance

Clean Truck Check tester in Visalia, CA (Tulare 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 | 32980 Road 172, Visalia, CA 93292 |
| County | Tulare County |
| Phone | (559) 679-3263 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Lawson CARB Compliance 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |

## Clean Truck Check testers in Tulare County

Lawson CARB Compliance is one of 62 testing businesses in Tulare County on CARB's public tester list. 53 of them offer mobile testing and 31 do smoke opacity tests. In Visalia itself there are 19 listed businesses, 15 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 Lawson CARB Compliance offer mobile Clean Truck Check testing?

Yes. Lawson CARB Compliance 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 Lawson CARB Compliance test a 2012 or older diesel truck?

Yes. Lawson CARB Compliance lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Lawson CARB Compliance charge for a Clean Truck Check?

Lawson CARB Compliance has not published prices with us; call (559) 679-3263 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 Lawson CARB Compliance a CARB-credentialed tester?

Lawson CARB Compliance 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

- **[Advanced Auto and Smog](https://ctcfinder.com/tester/advanced-auto-and-smog-visalia/)** — 216 S Dunworth St, Visalia, CA 93292 — (559) 734-5684 — 1 mi. Services: OBD testing, motorhome testing.
- **[Anthony Solorio](https://ctcfinder.com/tester/anthony-solorio-visalia/)** — Visalia, CA 93292 — (559) 731-6885 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Chase Hauber](https://ctcfinder.com/tester/chase-hauber-visalia/)** — Visalia, CA 93292 — (559) 827-6343 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Joseph Rosales](https://ctcfinder.com/tester/joseph-rosales-visalia/)** — Visalia, CA 93292 — (559) 901-9302 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Manuel Gomez](https://ctcfinder.com/tester/manuel-gomez-visalia/)** — Visalia, CA 93292 — (559) 779-3560 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Padilla's Clean Truck Check](https://ctcfinder.com/tester/padillas-clean-truck-check-visalia/)** — 1103 N Comstock St, Visalia, CA 93292 — (559) 280-8822 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.