---
title: "Corona Smog Center & Test Only — Clean Truck Check, Riverside, CA"
description: "Corona Smog Center & Test Only in Riverside, CA is on CARB's Clean Truck Check tester list with 2 credentialed testers. Offers mobile testing, OBD testing…"
url: "https://ctcfinder.com/tester/corona-smog-center-and-test-only-riverside/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Corona Smog Center & Test Only

Clean Truck Check tester in Riverside, CA (Riverside 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 | 12690 Magnolia Ave, Riverside, CA 92503 |
| County | Riverside County |
| Phone | (951) 906-6793 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 2 |
| Last verified | 2026-11-01 |

## Which trucks Corona Smog Center & Test Only 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 Riverside County

Corona Smog Center & Test Only is one of 251 testing businesses in Riverside County on CARB's public tester list. 233 of them offer mobile testing and 102 do smoke opacity tests. In Riverside itself there are 48 listed businesses, 45 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 Corona Smog Center & Test Only offer mobile Clean Truck Check testing?

Yes. Corona Smog Center & Test Only 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 Corona Smog Center & Test Only test a 2012 or older diesel truck?

Yes. Corona Smog Center & Test Only 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 Corona Smog Center & Test Only charge for a Clean Truck Check?

Corona Smog Center & Test Only has not published prices with us; call (951) 906-6793 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 Corona Smog Center & Test Only a CARB-credentialed tester?

Corona Smog Center & Test Only appears on CARB's public Clean Truck Check tester list with 2 credentialed testers, 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

- **[Adelinos Auto Clinic](https://ctcfinder.com/tester/adelinos-auto-clinic-riverside/)** — 3300 Harrison St, Riverside, CA 92503 — (951) 454-0635 — 1 mi. Services: mobile testing, OBD testing.
- **[Antonio Beltran](https://ctcfinder.com/tester/antonio-beltran-riverside/)** — Riverside, CA 92503 — (760) 898-4694 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Carmen Sahagun](https://ctcfinder.com/tester/carmen-sahagun-riverside/)** — Riverside, CA 92503 — (661) 695-1084 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Connor concrete cutting](https://ctcfinder.com/tester/connor-concrete-cutting-riverside/)** — Riverside, CA 92503 — (951) 206-2314 — 1 mi. Services: mobile testing.
- **[Green Check, Inc.](https://ctcfinder.com/tester/green-check-inc-riverside/)** — 17836 Robusta Dr, Riverside, CA 92503 — (951) 476-6496 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[H and A Auto Center](https://ctcfinder.com/tester/h-and-a-auto-center-riverside/)** — 12321 Sampson St Suite N, Riverside, CA 92503 — (949) 929-7146 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.