---
title: "Stop Smog Shop — Clean Truck Check, Apple Valley, CA"
description: "Stop Smog Shop in Apple Valley, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/stop-smog-shop-apple-valley/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Stop Smog Shop

Clean Truck Check tester in Apple Valley, CA (San Bernardino 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 | 13600 Quinnault Rd, Apple Valley, CA 92308 |
| County | San Bernardino County |
| Phone | (760) 953-6504 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Stop Smog Shop 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Nildo Yauri in Apple Valley, about 1 mile away. [See listing](https://ctcfinder.com/tester/nildo-yauri-apple-valley/).

## Clean Truck Check testers in San Bernardino County

Stop Smog Shop is one of 277 testing businesses in San Bernardino County on CARB's public tester list. 243 of them offer mobile testing and 98 do smoke opacity tests. In Apple Valley itself there are 11 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 Stop Smog Shop offer mobile Clean Truck Check testing?

Yes. Stop Smog Shop 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 Stop Smog Shop test a 2012 or older diesel truck?

Stop Smog Shop does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Nildo Yauri](https://ctcfinder.com/tester/nildo-yauri-apple-valley/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Stop Smog Shop charge for a Clean Truck Check?

Stop Smog Shop has not published prices with us; call (760) 953-6504 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 Stop Smog Shop a CARB-credentialed tester?

Stop Smog Shop 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-1 CARB Testing](https://ctcfinder.com/tester/a-1-carb-testing-apple-valley/)** — 13119 Modoc Ct, Apple Valley, CA 92308 — (916) 690-3095 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Nildo Yauri](https://ctcfinder.com/tester/nildo-yauri-apple-valley/)** — Apple Valley, CA 92308 — (714) 868-1641 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[SoCal Truck Doctors](https://ctcfinder.com/tester/socal-truck-doctors-apple-valley/)** — Apple Valley, CA 92308 — (909) 395-6350 — 1 mi. Services: mobile testing.
- **[Centurion Transport](https://ctcfinder.com/tester/centurion-transport-hesperia/)** — 9724 E Ave, Hesperia, CA 92345 — (760) 662-9513 — 10 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Clear Pass](https://ctcfinder.com/tester/clear-pass-hesperia/)** — Hesperia, CA 92345 — (951) 519-0004 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Gilberto Martinez](https://ctcfinder.com/tester/gilberto-martinez-hesperia/)** — Hesperia, CA 92345 — (442) 319-9430 — 10 mi. Services: mobile testing, OBD testing, motorhome testing.