---
title: "The Garage — Clean Truck Check, Riverside, CA | CTC Finder"
description: "The Garage in Riverside, 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/the-garage-riverside/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# The Garage

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 | 5814 Tahoma Pl, Riverside, CA 92505 |
| County | Riverside County |
| Phone | (951) 347-5467 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks The Garage 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

The Garage 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 The Garage offer mobile Clean Truck Check testing?

Yes. The Garage 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 The Garage test a 2012 or older diesel truck?

Yes. The Garage 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 The Garage charge for a Clean Truck Check?

The Garage has not published prices with us; call (951) 347-5467 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 The Garage a CARB-credentialed tester?

The Garage 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

- **[Mi Casita Smog Check](https://ctcfinder.com/tester/mi-casita-smog-check-riverside/)** — 11061 Whitford Ave, Riverside, CA 92505 — (951) 425-3213 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Michael Estabrook](https://ctcfinder.com/tester/michael-estabrook-riverside/)** — Riverside, CA 92505 — (562) 900-2708 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Oscar Altamirano Jr](https://ctcfinder.com/tester/oscar-altamirano-jr-riverside/)** — Riverside, CA 92505 — (909) 533-1933 — 1 mi. Services: mobile testing, OBD testing.
- **[Pierce Smog Test Only](https://ctcfinder.com/tester/pierce-smog-test-only-riverside/)** — 10941 Hole Ave, Riverside, CA 92505 — (714) 261-7241 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Quality in Load](https://ctcfinder.com/tester/quality-in-load-riverside/)** — Riverside, CA 92505 — (951) 220-4416 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[American Trucking Compliance LLC](https://ctcfinder.com/tester/american-trucking-compliance-llc-norco/)** — 1546 Bodie Pl, Norco, CA 92860 — (619) 736-4099 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.