---
title: "Carb Clean Trucks LLC — Clean Truck Check, Baltimore, MD"
description: "Carb Clean Trucks LLC in Baltimore, MD is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/carb-clean-trucks-llc-baltimore-md/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Carb Clean Trucks LLC

Clean Truck Check tester in Baltimore, MD.

> 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 | 9B W Ridgely Road, Baltimore, MD 21093 |
| Phone | (443) 554-6569 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Carb Clean Trucks LLC 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 Maryland

Carb Clean Trucks LLC is one of 7 testing businesses in Maryland on CARB's public tester list. 6 of them offer mobile testing and 1 do smoke opacity tests.

## 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 Carb Clean Trucks LLC offer mobile Clean Truck Check testing?

Yes. Carb Clean Trucks LLC 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 Carb Clean Trucks LLC test a 2012 or older diesel truck?

Yes. Carb Clean Trucks LLC 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 Carb Clean Trucks LLC charge for a Clean Truck Check?

Carb Clean Trucks LLC has not published prices with us; call (443) 554-6569 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 Carb Clean Trucks LLC a CARB-credentialed tester?

Carb Clean Trucks LLC 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

- **[ANB Express LLC](https://ctcfinder.com/tester/anb-express-llc-baltimore-md/)** — 6647 Sanzo Rd, Baltimore, MD 21209 — (585) 662-7430 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Kevin Holt](https://ctcfinder.com/tester/kevin-holt-dundalk-md/)** — Dundalk, MD 21222 — (443) 768-3364 — 14 mi. Services: mobile testing, OBD testing.
- **[TA Aftertreatment](https://ctcfinder.com/tester/ta-aftertreatment-dundalk-md/)** — Dundalk, MD 21222 — (443) 761-5051 — 14 mi. Services: mobile testing, OBD testing.
- **[Timothy Holt](https://ctcfinder.com/tester/timothy-holt-dundalk-md/)** — Dundalk, MD 21222 — (432) 207-0526 — 14 mi. Services: mobile testing, OBD testing.
- **[Angel Navejas](https://ctcfinder.com/tester/angel-navejas-mexicali-bc/)** — Mexicali, BC 21090 — (686) 198-4865 — 16 mi. Services: mobile testing, OBD testing.
- **[Carlo Francisco Salazar Silva](https://ctcfinder.com/tester/carlo-francisco-salazar-silva-mexicali-bc/)** — Mexicali, BC 21340 — (686) 240-8281 — 16 mi. Services: OBD testing.