---
title: "Intermodal Safety Inspections — Clean Truck Check, Norwalk, CA"
description: "Intermodal Safety Inspections in Norwalk, 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/intermodal-safety-inspections-norwalk/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Intermodal Safety Inspections

Clean Truck Check tester in Norwalk, CA (Los Angeles 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 | 12139 Gard Ave, Norwalk, CA 90650 |
| County | Los Angeles County |
| Phone | (562) 246-4195 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Intermodal Safety Inspections 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 Los Angeles County

Intermodal Safety Inspections is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In Norwalk itself there are 5 listed businesses, 5 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 Intermodal Safety Inspections offer mobile Clean Truck Check testing?

Yes. Intermodal Safety Inspections 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 Intermodal Safety Inspections test a 2012 or older diesel truck?

Yes. Intermodal Safety Inspections 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 Intermodal Safety Inspections charge for a Clean Truck Check?

Intermodal Safety Inspections has not published prices with us; call (562) 246-4195 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 Intermodal Safety Inspections a CARB-credentialed tester?

Intermodal Safety Inspections 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

- **[Marvin Moran](https://ctcfinder.com/tester/marvin-moran-norwalk/)** — Norwalk, CA 90650 — (562) 249-8133 — 1 mi. Services: mobile testing, OBD testing.
- **[Quick Mobile Diesel Testing](https://ctcfinder.com/tester/quick-mobile-diesel-testing-norwalk/)** — 13322 Markdale Ave, Norwalk, CA 90650 — (562) 843-3415 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Roland Castillo](https://ctcfinder.com/tester/roland-castillo-norwalk/)** — Norwalk, CA 90650 — (562) 418-8450 — 1 mi. Services: mobile testing, OBD testing.
- **[Scalehisales](https://ctcfinder.com/tester/scalehisales-norwalk/)** — 13427 Pumice St, Norwalk, CA 90650 — (657) 213-8378 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[April Freight](https://ctcfinder.com/tester/april-freight-santa-fe-springs/)** — 12848 Imperial Hwy, Santa Fe Springs, CA 90670 — (626) 828-1472 — 2 mi. Services: OBD testing.
- **[Diesel Exhaust & Emissions](https://ctcfinder.com/tester/diesel-exhaust-and-emissions-santa-fe-springs/)** — 11039 Shoemaker Ave, Santa Fe Springs, CA 90670 — (562) 734-6302 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.