---
title: "Clean Truck Check Testers in Ventura County, CA (68)"
description: "68 CARB-credentialed Clean Truck Check testers in Ventura County, California, across 11 cities. 61 offer mobile testing. Search by city, see phone numbers and…"
url: "https://ctcfinder.com/testers/ventura-county/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Truck Check testers in Ventura County, California

68 testing businesses in 11 cities; 61 offer mobile testing, 21 do smoke opacity tests, 48 test motorhomes.

> 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.

## City pages

- [Oxnard](https://ctcfinder.com/testers/ventura-county/oxnard/) — 22 listings
- [Ventura](https://ctcfinder.com/testers/ventura-county/ventura/) — 14 listings
- [Simi Valley](https://ctcfinder.com/testers/ventura-county/simi-valley/) — 8 listings
- [Camarillo](https://ctcfinder.com/testers/ventura-county/camarillo/) — 5 listings
- [Santa Paula](https://ctcfinder.com/testers/ventura-county/santa-paula/) — 5 listings
- [Moorpark](https://ctcfinder.com/testers/ventura-county/moorpark/) — 4 listings
- [Newbury Park](https://ctcfinder.com/testers/ventura-county/newbury-park/) — 3 listings
- [Thousand Oaks](https://ctcfinder.com/testers/ventura-county/thousand-oaks/) — 3 listings

## Fillmore

- **[Angel Gonzalez](https://ctcfinder.com/tester/angel-gonzalez-fillmore/)** — Fillmore, CA 93015 — (805) 921-5538. Services: mobile testing, OBD testing, motorhome testing.

## Ojai

- **[D-Loe Equipment](https://ctcfinder.com/tester/d-loe-equipment-ojai/)** — 212 Besant Rd, Ojai, CA 93023 — (805) 797-0360. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[David Smith](https://ctcfinder.com/tester/david-smith-ojai/)** — Ojai, CA 93023 — (805) 212-2474. Services: mobile testing, OBD testing.

## Port Hueneme

- **[SNH Transport](https://ctcfinder.com/tester/snh-transport-port-hueneme/)** — 157E Scott Street ##404, Port Hueneme, CA 93041 — (818) 578-9700. Services: mobile testing, OBD testing, motorhome testing.

## Trucking in Ventura

Ventura County includes the Port of Hueneme in Oxnard and agricultural trucking in the Oxnard Plain and Santa Clara River Valley.

## Frequently asked questions

### How many Clean Truck Check testers are in Ventura County?

CTC Finder lists 68 testing businesses in Ventura County from CARB's public tester list (69 credentialed testers), last checked November 1, 2026. Listing on CARB's list is optional, so the real number can be higher.

### Is there mobile Clean Truck Check testing in Ventura County?

Yes. 61 listed businesses in Ventura County offer mobile testing, which means the tester comes to your yard. Use the Mobile filter above to see them.

### How much does a Clean Truck Check test cost in Ventura County?

Testers set their own prices. Published prices for an OBD test are usually $50–$135 per vehicle; smoke opacity tests for older trucks often cost more, and mobile testers may add a trip fee. See the [cost guide](https://ctcfinder.com/guide/cost/).