---
title: "Macias Trucking Testing — Clean Truck Check, Bellflower, CA"
description: "Macias Trucking Testing in Bellflower, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, smoke opacity (non-OBD) testing. Phone, address…"
url: "https://ctcfinder.com/tester/macias-trucking-testing-bellflower/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Macias Trucking Testing

Clean Truck Check tester in Bellflower, 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 | 13405 Clark Ave, Bellflower, CA 90706 |
| County | Los Angeles County |
| Phone | (562) 321-3558 |
| Mobile testing | Yes |
| OBD testing | No |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Macias Trucking Testing can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 | Not listed |

## Clean Truck Check testers in Los Angeles County

Macias Trucking Testing 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 Bellflower itself there are 8 listed businesses, 8 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 Macias Trucking Testing offer mobile Clean Truck Check testing?

Yes. Macias Trucking Testing 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 Macias Trucking Testing test a 2012 or older diesel truck?

Yes. Macias Trucking Testing 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 Macias Trucking Testing charge for a Clean Truck Check?

Macias Trucking Testing has not published prices with us; call (562) 321-3558 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 Macias Trucking Testing a CARB-credentialed tester?

Macias Trucking Testing 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

- **[Busd](https://ctcfinder.com/tester/busd-bellflower/)** — 15330 Woodruff Ave, Bellflower, CA 90706 — (909) 568-5351 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Elizabeth Hanohano](https://ctcfinder.com/tester/elizabeth-hanohano-bellflower/)** — Bellflower, CA 90706 — (562) 650-7102 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Jacob Ochoa](https://ctcfinder.com/tester/jacob-ochoa-bellflower/)** — Bellflower, CA 90706 — (562) 338-2866 — 1 mi. Services: mobile testing, OBD testing.
- **[Jeffery Gunter](https://ctcfinder.com/tester/jeffery-gunter-bellflower/)** — Bellflower, CA 90706 — (213) 305-4955 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mark Caudillo](https://ctcfinder.com/tester/mark-caudillo-bellflower/)** — Bellflower, CA 90706 — (562) 916-6344 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mtpservice Inc.](https://ctcfinder.com/tester/mtpservice-inc-bellflower/)** — 10506 Trabuco St, Bellflower, CA 90706 — (714) 930-6726 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.