---
title: "California Smog Check & Registration Service — Clean Truck Check, Escondido, CA"
description: "California Smog Check & Registration Service in Escondido, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity…"
url: "https://ctcfinder.com/tester/california-smog-check-and-registration-service-escondido/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# California Smog Check & Registration Service

Clean Truck Check tester in Escondido, CA (San Diego 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 | 151 N Rose St #A104, Escondido, CA 92027 |
| County | San Diego County |
| Phone | (760) 580-4105 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks California Smog Check & Registration Service 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 San Diego County

California Smog Check & Registration Service is one of 178 testing businesses in San Diego County on CARB's public tester list. 157 of them offer mobile testing and 91 do smoke opacity tests. In Escondido itself there are 13 listed businesses, 12 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 California Smog Check & Registration Service offer mobile Clean Truck Check testing?

Yes. California Smog Check & Registration Service 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 California Smog Check & Registration Service test a 2012 or older diesel truck?

Yes. California Smog Check & Registration Service 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 California Smog Check & Registration Service charge for a Clean Truck Check?

California Smog Check & Registration Service has not published prices with us; call (760) 580-4105 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 California Smog Check & Registration Service a CARB-credentialed tester?

California Smog Check & Registration Service 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

- **[B Able Truck & RV Repair](https://ctcfinder.com/tester/b-able-truck-and-rv-repair-escondido/)** — 1046 Stonecrest Ln, Escondido, CA 92027 — (760) 519-9132 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ed-Vantage Diesel](https://ctcfinder.com/tester/ed-vantage-diesel-escondido/)** — Escondido, CA 92027 — (442) 777-3982 — 1 mi. Services: mobile testing, OBD testing.
- **[Ed's Heavy Mobile Repair LLC](https://ctcfinder.com/tester/eds-heavy-mobile-repair-llc-escondido/)** — 2534 E El Norte Pkwy E, Escondido, CA 92027 — (858) 334-8385 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Parsley's Truck Compliance](https://ctcfinder.com/tester/parsleys-truck-compliance-escondido/)** — 729 Eastbury Drive, Escondido, CA 92027 — (760) 703-4765 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Sean Thomas](https://ctcfinder.com/tester/sean-thomas-escondido/)** — Escondido, CA 92025 — (619) 372-3893 — 5 mi. Services: OBD testing, motorhome testing.
- **[Garretts Smog](https://ctcfinder.com/tester/garretts-smog-valley-center/)** — 11651 Minneola Cir, Valley Center, CA 92082 — (760) 471-2179 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.