---
title: "LA Smog — Clean Truck Check, Long Beach, CA | CTC Finder"
description: "LA Smog in Long Beach, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing…"
url: "https://ctcfinder.com/tester/la-smog-long-beach/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# LA Smog

Clean Truck Check tester in Long Beach, 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 | 550 E Pacific Coast Hwy, Long Beach, CA 90806 |
| County | Los Angeles County |
| Phone | (562) 674-6873 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks LA 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

LA 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 Long Beach itself there are 26 listed businesses, 24 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 LA Smog offer mobile Clean Truck Check testing?

Yes. LA 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 LA Smog test a 2012 or older diesel truck?

Yes. LA 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 LA Smog charge for a Clean Truck Check?

LA Smog has not published prices with us; call (562) 674-6873 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 LA Smog a CARB-credentialed tester?

LA 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

- **[A&G](https://ctcfinder.com/tester/a-and-g-long-beach/)** — 631 E Burnett St #B, Long Beach, CA 90806 — (562) 388-3377 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Long Beach Smog Pros](https://ctcfinder.com/tester/long-beach-smog-pros-long-beach/)** — 2160 Long Beach Boulevard B, Long Beach, CA 90806 — (562) 787-2225 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[System Maintenance](https://ctcfinder.com/tester/system-maintenance-long-beach/)** — 1335 East Spring Street, Long Beach, CA 90806 — (310) 629-3050 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Eduardo Monroy](https://ctcfinder.com/tester/eduardo-monroy-signal-hill/)** — Signal Hill, CA 90755 — (424) 373-2744 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Lan Logistics](https://ctcfinder.com/tester/lan-logistics-signal-hill/)** — 2828 Junipero Ave, Signal Hill, CA 90755 — (562) 237-2425 — 1 mi. Services: not listed.
- **[Mark's Mobile Truck Serv., LLC](https://ctcfinder.com/tester/marks-mobile-truck-serv-llc-signal-hill/)** — 3348 Olive Ave, Signal Hill, CA 90755 — (714) 345-5484 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.