---
title: "Clean Truck Check Testers in Alameda County, CA (85)"
description: "85 CARB-credentialed Clean Truck Check testers in Alameda County, California, across 14 cities. 79 offer mobile testing. Search by city, see phone numbers and…"
url: "https://ctcfinder.com/testers/alameda-county/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Truck Check testers in Alameda County, California

85 testing businesses in 14 cities; 79 offer mobile testing, 37 do smoke opacity tests, 49 test motorhomes.

> 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.

## City pages

- [Hayward](https://ctcfinder.com/testers/alameda-county/hayward/) — 18 listings
- [Oakland](https://ctcfinder.com/testers/alameda-county/oakland/) — 15 listings
- [Fremont](https://ctcfinder.com/testers/alameda-county/fremont/) — 12 listings
- [Livermore](https://ctcfinder.com/testers/alameda-county/livermore/) — 8 listings
- [San Leandro](https://ctcfinder.com/testers/alameda-county/san-leandro/) — 8 listings
- [Union City](https://ctcfinder.com/testers/alameda-county/union-city/) — 6 listings
- [Dublin](https://ctcfinder.com/testers/alameda-county/dublin/) — 4 listings
- [Newark](https://ctcfinder.com/testers/alameda-county/newark/) — 4 listings
- [San Lorenzo](https://ctcfinder.com/testers/alameda-county/san-lorenzo/) — 3 listings

## Berkeley

- **[Michael Milat](https://ctcfinder.com/tester/michael-milat-berkeley/)** — Berkeley, CA 94710 — (510) 283-7727. Services: mobile testing, OBD testing.

## Castro Valley

- **[Mikes Mobile Automotive](https://ctcfinder.com/tester/mikes-mobile-automotive-castro-valley/)** — 20706 Tuxedo Ct, Castro Valley, CA 94552 — (510) 502-3925. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Steven D Phillips](https://ctcfinder.com/tester/steven-d-phillips-castro-valley/)** — Castro Valley, CA 94546 — (510) 435-0859. Services: mobile testing, OBD testing.

## Cherryland

- **[Anthony Alduncin](https://ctcfinder.com/tester/anthony-alduncin-cherryland/)** — Cherryland, CA 94541 — (650) 921-6363. Services: mobile testing, OBD testing.

## Emeryville

- **[Pravikesh Singh](https://ctcfinder.com/tester/pravikesh-singh-emeryville/)** — Emeryville, CA 94608 — (510) 621-8314. Services: mobile testing, OBD testing.

## Pleasanton

- **[Matt's Mobile](https://ctcfinder.com/tester/matts-mobile-pleasanton/)** — Pleasanton, CA 94566 — (925) 895-2123. Services: mobile testing, OBD testing.

## Trucking in Alameda

Alameda County includes the Port of Oakland and the I-880 industrial corridor (Hayward, San Leandro, Fremont).

## Frequently asked questions

### How many Clean Truck Check testers are in Alameda County?

CTC Finder lists 85 testing businesses in Alameda County from CARB's public tester list (89 credentialed testers), last checked November 1, 2026. Listing on CARB's list is optional, so the real number can be higher.

### Is there mobile Clean Truck Check testing in Alameda County?

Yes. 79 listed businesses in Alameda County offer mobile testing, which means the tester comes to your yard. Use the Mobile filter above to see them.

### How much does a Clean Truck Check test cost in Alameda County?

Testers set their own prices. Published prices for an OBD test are usually $50–$135 per vehicle; smoke opacity tests for older trucks often cost more, and mobile testers may add a trip fee. See the [cost guide](https://ctcfinder.com/guide/cost/).