---
title: "Doc Bailey Construction — Clean Truck Check, San Lorenzo, CA"
description: "Doc Bailey Construction in San Lorenzo, 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/doc-bailey-construction-san-lorenzo/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Doc Bailey Construction

Clean Truck Check tester in San Lorenzo, 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 | 2584 Grant Ave, San Lorenzo, CA 94580 |
| County | Alameda County |
| Phone | (510) 935-1290 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Doc Bailey Construction 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 | Not listed |

## Clean Truck Check testers in Alameda County

Doc Bailey Construction 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. In San Lorenzo itself there are 3 listed businesses, 3 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 Doc Bailey Construction offer mobile Clean Truck Check testing?

Yes. Doc Bailey Construction 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 Doc Bailey Construction test a 2012 or older diesel truck?

Yes. Doc Bailey Construction 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 Doc Bailey Construction charge for a Clean Truck Check?

Doc Bailey Construction has not published prices with us; call (510) 935-1290 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 Doc Bailey Construction a CARB-credentialed tester?

Doc Bailey Construction 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

- **[Clean Air Pro](https://ctcfinder.com/tester/clean-air-pro-san-lorenzo/)** — 17020 Via Chiquita, San Lorenzo, CA 94580 — (510) 314-3969 — 1 mi. Services: mobile testing, OBD testing.
- **[Doc Bailey construction equipment, inc](https://ctcfinder.com/tester/doc-bailey-construction-equipment-inc-san-lorenzo/)** — 2584 Grant Ave, San Lorenzo, CA 94580 — (646) 707-1919 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Jaime Morales](https://ctcfinder.com/tester/jaime-morales-san-leandro/)** — San Leandro, CA 94578 — (650) 219-2225 — 2 mi. Services: mobile testing, OBD testing.
- **[Mobile Golden State Emissions San Leandro](https://ctcfinder.com/tester/mobile-golden-state-emissions-san-leandro-san-leandro/)** — 15267 Hesperian Blvd., San Leandro, CA 94578 — (925) 818-1831 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Roadway mobile truck services](https://ctcfinder.com/tester/roadway-mobile-truck-services-san-leandro/)** — 1516 162nd Ave, San Leandro, CA 94578 — (510) 213-2967 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Yazid Kahil](https://ctcfinder.com/tester/yazid-kahil-san-leandro/)** — San Leandro, CA 94578 — (510) 520-3051 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.