---
title: "Joshua Martinez — Clean Truck Check, Chula Vista, CA"
description: "Joshua Martinez in Chula Vista, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/joshua-martinez-chula-vista/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Joshua Martinez

Clean Truck Check tester in Chula Vista, CA (San Diego 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 | Chula Vista, CA 91911 |
| County | San Diego County |
| Phone | (619) 942-4503 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Joshua Martinez 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Fj Willert Contracting in Chula Vista, about 1 mile away. [See listing](https://ctcfinder.com/tester/fj-willert-contracting-chula-vista/).

## Clean Truck Check testers in San Diego County

Joshua Martinez is one of 178 testing businesses in San Diego County on CARB's public tester list. 157 of them offer mobile testing and 91 do smoke opacity tests. In Chula Vista itself there are 15 listed businesses, 13 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 Joshua Martinez offer mobile Clean Truck Check testing?

Yes. Joshua Martinez 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 Joshua Martinez test a 2012 or older diesel truck?

Joshua Martinez does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Fj Willert Contracting](https://ctcfinder.com/tester/fj-willert-contracting-chula-vista/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Joshua Martinez charge for a Clean Truck Check?

Joshua Martinez has not published prices with us; call (619) 942-4503 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 Joshua Martinez a CARB-credentialed tester?

Joshua Martinez 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

- **[Chula Vista Auto Care](https://ctcfinder.com/tester/chula-vista-auto-care-chula-vista/)** — 898 Broadway, Chula Vista, CA 91911 — (619) 888-0468 — 1 mi. Services: OBD testing, motorhome testing.
- **[David Nunez](https://ctcfinder.com/tester/david-nunez-chula-vista/)** — Chula Vista, CA 91911 — (619) 985-4999 — 1 mi. Services: OBD testing, motorhome testing.
- **[Fj Willert Contracting](https://ctcfinder.com/tester/fj-willert-contracting-chula-vista/)** — Chula Vista, CA 91911 — (619) 864-5623 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Juan Campos - Bulldog Towing](https://ctcfinder.com/tester/juan-campos-bulldog-towing-chula-vista/)** — 1590 W Frontage Road, Chula Vista, CA 91911 — (619) 244-6009 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Juan Molina](https://ctcfinder.com/tester/juan-molina-chula-vista/)** — Chula Vista, CA 91911 — (619) 292-1633 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Oscar Diesel Mobile tech 1](https://ctcfinder.com/tester/oscar-diesel-mobile-tech-1-chula-vista/)** — 806 Anita Street, Chula Vista, CA 91911 — (619) 207-6084 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.