---
title: "State Smog Two — Clean Truck Check, Los Angeles, CA"
description: "State Smog Two in Los Angeles, CA is on CARB's Clean Truck Check tester list. Offers OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/state-smog-two-los-angeles/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# State Smog Two

Clean Truck Check tester in Los Angeles, 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 | 12630 Washington Pl, Los Angeles, CA 90066 |
| County | Los Angeles County |
| Phone | (310) 857-8581 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks State Smog Two 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Credentialed tester in Los Angeles in Los Angeles, about 2 miles away. [See listing](https://ctcfinder.com/tester/credentialed-tester-in-los-angeles-los-angeles/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Credentialed tester in Los Angeles in Los Angeles, about 2 miles away. [See listing](https://ctcfinder.com/tester/credentialed-tester-in-los-angeles-los-angeles/).

## Clean Truck Check testers in Los Angeles County

State Smog Two 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 Los Angeles itself there are 69 listed businesses, 60 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 State Smog Two offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Credentialed tester in Los Angeles](https://ctcfinder.com/tester/credentialed-tester-in-los-angeles-los-angeles/) (about 2 miles).

### Can State Smog Two test a 2012 or older diesel truck?

State Smog Two does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Credentialed tester in Los Angeles](https://ctcfinder.com/tester/credentialed-tester-in-los-angeles-los-angeles/) (about 2 miles). Trucks from 2013 on get an OBD scan instead.

### How much does State Smog Two charge for a Clean Truck Check?

State Smog Two has not published prices with us; call (310) 857-8581 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 State Smog Two a CARB-credentialed tester?

State Smog Two 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

- **[Credentialed tester in Los Angeles](https://ctcfinder.com/tester/credentialed-tester-in-los-angeles-los-angeles/)** — Los Angeles, CA — (323) 533-1652 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Curtis McNeal](https://ctcfinder.com/tester/curtis-mcneal-los-angeles/)** — Los Angeles, CA 90064 — (424) 495-8427 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Bully's Smog](https://ctcfinder.com/tester/bullys-smog-santa-monica/)** — 2700 Lincoln Blvd Suite 7, Santa Monica, CA 90405 — (323) 984-2138 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[All City Tow](https://ctcfinder.com/tester/all-city-tow-culver-city/)** — 5832 Adams Boulevard, Culver City, CA 90232 — (310) 349-7772 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mike Gralapp](https://ctcfinder.com/tester/mike-gralapp-culver-city/)** — Culver City, CA 90232 — (310) 292-2176 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Alex Clean Truck Check](https://ctcfinder.com/tester/alex-clean-truck-check-los-angeles/)** — 10795 Woodbine St, Los Angeles, CA 90034 — (310) 502-6505 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.