---
title: "Five Rivers Smog (Clean Truck Check) — Clean Truck Check, Stockton, CA"
description: "Five Rivers Smog (Clean Truck Check) in Stockton, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/five-rivers-smog-clean-truck-check-stockton/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Five Rivers Smog (Clean Truck Check)

Clean Truck Check tester in Stockton, CA (San Joaquin 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 | 3739 Silvana Ln, Stockton, CA 95212 |
| County | San Joaquin County |
| Phone | (209) 407-7417 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Five Rivers Smog (Clean Truck Check) 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 Clean Truck Test Near Me in Stockton, about 1 mile away. [See listing](https://ctcfinder.com/tester/clean-truck-test-near-me-stockton/).

## Clean Truck Check testers in San Joaquin County

Five Rivers Smog (Clean Truck Check) is one of 124 testing businesses in San Joaquin County on CARB's public tester list. 111 of them offer mobile testing and 53 do smoke opacity tests. In Stockton itself there are 50 listed businesses, 43 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 Five Rivers Smog (Clean Truck Check) offer mobile Clean Truck Check testing?

Yes. Five Rivers Smog (Clean Truck Check) 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 Five Rivers Smog (Clean Truck Check) test a 2012 or older diesel truck?

Five Rivers Smog (Clean Truck Check) does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Clean Truck Test Near Me](https://ctcfinder.com/tester/clean-truck-test-near-me-stockton/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Five Rivers Smog (Clean Truck Check) charge for a Clean Truck Check?

Five Rivers Smog (Clean Truck Check) has not published prices with us; call (209) 407-7417 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 Five Rivers Smog (Clean Truck Check) a CARB-credentialed tester?

Five Rivers Smog (Clean Truck Check) 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

- **[Clean Truck Test Near Me](https://ctcfinder.com/tester/clean-truck-test-near-me-stockton/)** — 4255 E Morada Ln, Stockton, CA 95212 — (209) 687-3383 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mad Dog](https://ctcfinder.com/tester/mad-dog-stockton/)** — Stockton, CA 95212 — (559) 806-4244 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mohammad Waseem](https://ctcfinder.com/tester/mohammad-waseem-stockton/)** — Stockton, CA 95212 — (209) 712-3087 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Prabhnoor Brar](https://ctcfinder.com/tester/prabhnoor-brar-stockton/)** — Stockton, CA 95212 — (209) 981-1946 — 1 mi. Services: OBD testing.
- **[Julian Flores](https://ctcfinder.com/tester/julian-flores-stockton/)** — Stockton, CA 95210 — (209) 910-8422 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Khizar rehman](https://ctcfinder.com/tester/khizar-rehman-stockton/)** — Stockton, CA 95210 — (571) 474-8660 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.