---
title: "Inland Smog Stop — Clean Truck Check, Calimesa, CA"
description: "Inland Smog Stop in Calimesa, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome…"
url: "https://ctcfinder.com/tester/inland-smog-stop-calimesa/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Inland Smog Stop

Clean Truck Check tester in Calimesa, 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 | 905 Calimesa Blvd, Calimesa, CA 92320 |
| County | Riverside County |
| Phone | (909) 222-7127 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Inland Smog Stop 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

Inland Smog Stop 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.

## 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 Inland Smog Stop offer mobile Clean Truck Check testing?

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

Yes. Inland Smog Stop 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 Inland Smog Stop charge for a Clean Truck Check?

Inland Smog Stop has not published prices with us; call (909) 222-7127 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 Inland Smog Stop a CARB-credentialed tester?

Inland Smog Stop 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

- **[Kain Janzen](https://ctcfinder.com/tester/kain-janzen-yucaipa/)** — Yucaipa, CA 92399 — (909) 769-9070 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Kate Cruz](https://ctcfinder.com/tester/kate-cruz-yucaipa/)** — Yucaipa, CA 92399 — (760) 983-9781 — 4 mi. Services: mobile testing, OBD testing.
- **[Larry Keepers / RV Keepers](https://ctcfinder.com/tester/larry-keepers-rv-keepers-yucaipa/)** — 13517 Douglas St, Yucaipa, CA 92399 — (909) 991-5502 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Ricardo Abrego](https://ctcfinder.com/tester/ricardo-abrego-yucaipa/)** — Yucaipa, CA 92399 — (951) 312-6165 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[SB services](https://ctcfinder.com/tester/sb-services-yucaipa/)** — 35677 Oak Creek Dr, Yucaipa, CA 92399 — (909) 770-4289 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Schroeders Equipment Repair, LLC](https://ctcfinder.com/tester/schroeders-equipment-repair-llc-yucaipa/)** — 35125 Ravencrest Ct, Yucaipa, CA 92399 — (909) 816-1688 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.