---
title: "Mikes Mobile Automotive — Clean Truck Check, Castro Valley, CA"
description: "Mikes Mobile Automotive in Castro Valley, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/mikes-mobile-automotive-castro-valley/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Mikes Mobile Automotive

Clean Truck Check tester in Castro Valley, CA (Alameda 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 | 20706 Tuxedo Ct, Castro Valley, CA 94552 |
| County | Alameda County |
| Phone | (510) 502-3925 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Mikes Mobile Automotive 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 Alameda County

Mikes Mobile Automotive is one of 85 testing businesses in Alameda County on CARB's public tester list. 79 of them offer mobile testing and 37 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 Mikes Mobile Automotive offer mobile Clean Truck Check testing?

Yes. Mikes Mobile Automotive 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 Mikes Mobile Automotive test a 2012 or older diesel truck?

Yes. Mikes Mobile Automotive 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 Mikes Mobile Automotive charge for a Clean Truck Check?

Mikes Mobile Automotive has not published prices with us; call (510) 502-3925 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 Mikes Mobile Automotive a CARB-credentialed tester?

Mikes Mobile Automotive 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

- **[Anthony Alduncin](https://ctcfinder.com/tester/anthony-alduncin-cherryland/)** — Cherryland, CA 94541 — (650) 921-6363 — 5 mi. Services: mobile testing, OBD testing.
- **[VICTOR'S Mobile service](https://ctcfinder.com/tester/victors-mobile-service-hayward/)** — 19451 Waverly Ave, Hayward, CA 94541 — (510) 677-3409 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Jaswinder Singh](https://ctcfinder.com/tester/jaswinder-singh-hayward/)** — Hayward, CA 94544 — (510) 579-7294 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[JR Trucking Services](https://ctcfinder.com/tester/jr-trucking-services-hayward/)** — 479 Custer Rd, Hayward, CA 94544 — (510) 589-2917 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[K1 Smog](https://ctcfinder.com/tester/k1-smog-hayward/)** — 24087 Mission Blvd, Hayward, CA 94544 — (510) 582-2500 — 6 mi. Services: OBD testing, motorhome testing.
- **[Many Truck Repair](https://ctcfinder.com/tester/many-truck-repair-hayward/)** — 28425 E 11th St, Hayward, CA 94544 — (510) 925-7559 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.