---
title: "OST Trucks and Cranes — Clean Truck Check, Ventura, CA"
description: "OST Trucks and Cranes in Ventura, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome…"
url: "https://ctcfinder.com/tester/ost-trucks-and-cranes-ventura/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# OST Trucks and Cranes

Clean Truck Check tester in Ventura, CA (Ventura 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 | 2951 N Ventura Ave, Ventura, CA 93001 |
| County | Ventura County |
| Phone | (805) 479-9441 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks OST Trucks and Cranes 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 | Yes |

## Clean Truck Check testers in Ventura County

OST Trucks and Cranes is one of 68 testing businesses in Ventura County on CARB's public tester list. 61 of them offer mobile testing and 21 do smoke opacity tests. In Ventura itself there are 14 listed businesses, 14 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 OST Trucks and Cranes offer mobile Clean Truck Check testing?

Yes. OST Trucks and Cranes 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 OST Trucks and Cranes test a 2012 or older diesel truck?

Yes. OST Trucks and Cranes 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 OST Trucks and Cranes charge for a Clean Truck Check?

OST Trucks and Cranes has not published prices with us; call (805) 479-9441 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 OST Trucks and Cranes a CARB-credentialed tester?

OST Trucks and Cranes 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

- **[Bradley Rhodes](https://ctcfinder.com/tester/bradley-rhodes-ventura/)** — Ventura, CA 93001 — (951) 203-7174 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Clean Planet Smog Check](https://ctcfinder.com/tester/clean-planet-smog-check-ventura/)** — 1050 E Thompson Blvd, Ventura, CA 93001 — (805) 403-8721 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Wise Fleet Services](https://ctcfinder.com/tester/wise-fleet-services-ventura/)** — 1335 N Ventura Ave, Ventura, CA 93001 — (805) 415-6569 — 1 mi. Services: mobile testing, OBD testing.
- **[Abdullah Kwara](https://ctcfinder.com/tester/abdullah-kwara-ventura/)** — Ventura, CA 93003 — (805) 823-3984 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Cornerstone Diesel Compliance](https://ctcfinder.com/tester/cornerstone-diesel-compliance-ventura/)** — 1569 Raccoon Ct, Ventura, CA 93003 — (661) 932-6468 — 9 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[RAM Truck And Trailer Repair](https://ctcfinder.com/tester/ram-truck-and-trailer-repair-ventura/)** — 6952 Malta PL, Ventura, CA 93003 — (323) 420-9398 — 9 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.