---
title: "CS Mobile Clean Truck Check — Clean Truck Check, Wilmington, CA"
description: "CS Mobile Clean Truck Check in Wilmington, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/cs-mobile-clean-truck-check-wilmington/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# CS Mobile Clean Truck Check

Clean Truck Check tester in Wilmington, 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 | 1206 Lagoon Ave, Wilmington, CA 90744 |
| County | Los Angeles County |
| Phone | (310) 971-7172 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks CS Mobile Clean Truck Check 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 | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Alvaro Sancen in Wilmington, about 1 mile away. [See listing](https://ctcfinder.com/tester/alvaro-sancen-wilmington/).

## Clean Truck Check testers in Los Angeles County

CS Mobile Clean Truck Check 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 Wilmington itself there are 12 listed businesses, 9 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 CS Mobile Clean Truck Check offer mobile Clean Truck Check testing?

Yes. CS Mobile Clean Truck Check 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 CS Mobile Clean Truck Check test a 2012 or older diesel truck?

CS Mobile Clean Truck Check does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Alvaro Sancen](https://ctcfinder.com/tester/alvaro-sancen-wilmington/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does CS Mobile Clean Truck Check charge for a Clean Truck Check?

CS Mobile Clean Truck Check has not published prices with us; call (310) 971-7172 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 CS Mobile Clean Truck Check a CARB-credentialed tester?

CS Mobile Clean Truck Check 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

- **[Alvaro Sancen](https://ctcfinder.com/tester/alvaro-sancen-wilmington/)** — Wilmington, CA 90744 — (310) 528-4151 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Bellaport Transportation Inc](https://ctcfinder.com/tester/bellaport-transportation-inc-wilmington/)** — 110 North Marine Avenue, Wilmington, CA 90744 — (310) 569-7395 — 1 mi. Services: OBD testing.
- **[Castanedas Engine Rebuild Services](https://ctcfinder.com/tester/castanedas-engine-rebuild-services-wilmington/)** — 1443 E Anaheim St, Wilmington, CA 90744 — (562) 261-7106 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Credentialed tester in Wilmington](https://ctcfinder.com/tester/credentialed-tester-in-wilmington-wilmington/)** — 812 Cristobal Ave, Wilmington, CA — (424) 423-0749 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Credentialed tester in Wilmington](https://ctcfinder.com/tester/credentialed-tester-in-wilmington-wilmington-2/)** — 812 Cristobal Ave, Wilmington, CA — (279) 888-1264 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[David Sandoval](https://ctcfinder.com/tester/david-sandoval-wilmington/)** — Wilmington, CA 90744 — (424) 222-1495 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.