---
title: "Stevens Transportation Inc. — Clean Truck Check, Bakersfield, CA"
description: "Stevens Transportation Inc. in Bakersfield, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/stevens-transportation-inc-bakersfield/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Stevens Transportation Inc.

Clean Truck Check tester in Bakersfield, CA (Kern 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 | 210 Fairfax Rd, Bakersfield, CA 93307 |
| County | Kern County |
| Phone | (661) 979-2600 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Stevens Transportation Inc. 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 Kern County

Stevens Transportation Inc. is one of 107 testing businesses in Kern County on CARB's public tester list. 89 of them offer mobile testing and 53 do smoke opacity tests. In Bakersfield itself there are 78 listed businesses, 63 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 Stevens Transportation Inc. offer mobile Clean Truck Check testing?

Yes. Stevens Transportation Inc. 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 Stevens Transportation Inc. test a 2012 or older diesel truck?

Yes. Stevens Transportation Inc. 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 Stevens Transportation Inc. charge for a Clean Truck Check?

Stevens Transportation Inc. has not published prices with us; call (661) 979-2600 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 Stevens Transportation Inc. a CARB-credentialed tester?

Stevens Transportation Inc. 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 Distribution](https://ctcfinder.com/tester/advanced-distribution-bakersfield/)** — Bakersfield, CA 93307 — (661) 496-0780 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Auto Compliance Pros](https://ctcfinder.com/tester/auto-compliance-pros-bakersfield/)** — 4220 Kenny St, Bakersfield, CA 93307 — (661) 549-8706 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Brandons Truck Repair Inc.](https://ctcfinder.com/tester/brandons-truck-repair-inc-bakersfield/)** — 2572 S Union Ave, Bakersfield, CA 93307 — (661) 477-0001 — 1 mi. Services: OBD testing.
- **[Cummins inc](https://ctcfinder.com/tester/cummins-inc-bakersfield/)** — 4601 E Brundage Ln, Bakersfield, CA 93307 — (661) 325-9404 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Fernando Amezcua](https://ctcfinder.com/tester/fernando-amezcua-bakersfield/)** — Bakersfield, CA 93307 — (213) 595-7952 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Gurinder Singh](https://ctcfinder.com/tester/gurinder-singh-bakersfield/)** — Bakersfield, CA 93307 — (661) 487-3564 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.