---
title: "Lowest Price CTC — Clean Truck Check, Commerce, CA"
description: "Lowest Price CTC in Commerce, 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/lowest-price-ctc-commerce/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Lowest Price CTC

Clean Truck Check tester in Commerce, 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 | 5611 Sheila St, Commerce, CA 90040 |
| County | Los Angeles County |
| Phone | (424) 431-5360 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Lowest Price CTC 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

Lowest Price CTC 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 Commerce itself there are 7 listed businesses, 7 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 Lowest Price CTC offer mobile Clean Truck Check testing?

Yes. Lowest Price CTC 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 Lowest Price CTC test a 2012 or older diesel truck?

Yes. Lowest Price CTC 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 Lowest Price CTC charge for a Clean Truck Check?

Lowest Price CTC has not published prices with us; call (424) 431-5360 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 Lowest Price CTC a CARB-credentialed tester?

Lowest Price CTC 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

- **[CTC Mobile Pros](https://ctcfinder.com/tester/ctc-mobile-pros-commerce/)** — 6741 Lanto Street, Commerce, CA 90040 — (562) 445-5632 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[JEE Trucking](https://ctcfinder.com/tester/jee-trucking-commerce/)** — 1449 S Sydney Dr, Commerce, CA 90040 — (323) 637-4252 — 1 mi. Services: mobile testing, OBD testing.
- **[Katy's Truck Tests](https://ctcfinder.com/tester/katys-truck-tests-commerce/)** — 4638 E Washington Blvd, Commerce, CA 90040 — (323) 379-8707 — 1 mi. Services: mobile testing, OBD testing.
- **[Universal Truck Parts LLC](https://ctcfinder.com/tester/universal-truck-parts-llc-commerce/)** — 4638 E Washington Blvd, Commerce, CA 90040 — (323) 216-6226 — 1 mi. Services: mobile testing, OBD testing.
- **[Universal Truck Parts LLC.- Commerce LAC](https://ctcfinder.com/tester/universal-truck-parts-llc-commerce-lac-commerce/)** — 4638 Washington st., Commerce, CA 90040 — (323) 356-4826 — 1 mi. Services: mobile testing, OBD testing.
- **[A&G Safety Alliance](https://ctcfinder.com/tester/a-and-g-safety-alliance-los-angeles/)** — 951 South Ford Boulevard, Los Angeles, CA 90022 — (562) 572-6969 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.