---
title: "Premier Mobile Diesel Smog — Clean Truck Check, Baldwin Park, CA"
description: "Premier Mobile Diesel Smog in Baldwin Park, 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/premier-mobile-diesel-smog-baldwin-park/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Premier Mobile Diesel Smog

Clean Truck Check tester in Baldwin Park, 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 | 5035 Heintz St, Baldwin Park, CA 91706 |
| County | Los Angeles County |
| Phone | (909) 343-7028 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Premier Mobile Diesel Smog 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

Premier Mobile Diesel Smog 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 Baldwin Park itself there are 4 listed businesses, 3 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 Premier Mobile Diesel Smog offer mobile Clean Truck Check testing?

Yes. Premier Mobile Diesel Smog 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 Premier Mobile Diesel Smog test a 2012 or older diesel truck?

Yes. Premier Mobile Diesel Smog 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 Premier Mobile Diesel Smog charge for a Clean Truck Check?

Premier Mobile Diesel Smog has not published prices with us; call (909) 343-7028 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 Premier Mobile Diesel Smog a CARB-credentialed tester?

Premier Mobile Diesel Smog 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

- **[Brothers Truck N Trailer Repair Inc](https://ctcfinder.com/tester/brothers-truck-n-trailer-repair-inc-baldwin-park/)** — 14846 Arrow Hwy, Baldwin Park, CA 91706 — (626) 560-0890 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Fernando Mendez](https://ctcfinder.com/tester/fernando-mendez-baldwin-park/)** — Baldwin Park, CA 91706 — (626) 421-2929 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Jesus Estrada](https://ctcfinder.com/tester/jesus-estrada-baldwin-park/)** — Baldwin Park, CA 91706 — (562) 239-5409 — 1 mi. Services: not listed.
- **[Accurate Testing Service](https://ctcfinder.com/tester/accurate-testing-service-west-covina/)** — 1004 W West Covina Pkwy, West Covina, CA 91790 — (626) 710-8236 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Skyfleet](https://ctcfinder.com/tester/skyfleet-west-covina/)** — 1520 West Cameron Avenue, West Covina, CA 91790 — (626) 290-7739 — 3 mi. Services: mobile testing.
- **[Clear View Opacity testing](https://ctcfinder.com/tester/clear-view-opacity-testing-duarte/)** — 2620 Broderick Ave, Duarte, CA 91010 — (909) 906-8241 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.