---
title: "Aldo Hernandez — Clean Truck Check, Oakland, CA | CTC Finder"
description: "Aldo Hernandez in Oakland, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/aldo-hernandez-oakland/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Aldo Hernandez

Clean Truck Check tester in Oakland, 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 | Oakland, CA 94621 |
| County | Alameda County |
| Phone | (510) 289-5835 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Aldo Hernandez 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 | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Clean Truck Check in Oakland, about 2 miles away. [See listing](https://ctcfinder.com/tester/clean-truck-check-oakland/).

## Clean Truck Check testers in Alameda County

Aldo Hernandez 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 Oakland itself there are 15 listed businesses, 15 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 Aldo Hernandez offer mobile Clean Truck Check testing?

Yes. Aldo Hernandez 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 Aldo Hernandez test a 2012 or older diesel truck?

Aldo Hernandez does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Clean Truck Check](https://ctcfinder.com/tester/clean-truck-check-oakland/) (about 2 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Aldo Hernandez charge for a Clean Truck Check?

Aldo Hernandez has not published prices with us; call (510) 289-5835 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 Aldo Hernandez a CARB-credentialed tester?

Aldo Hernandez 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

- **[SS Trucking Inc](https://ctcfinder.com/tester/ss-trucking-inc-oakland/)** — 541 Julie Ann Way, Oakland, CA 94621 — (510) 750-3598 — 1 mi. Services: mobile testing, OBD testing.
- **[Clean Truck Check](https://ctcfinder.com/tester/clean-truck-check-oakland/)** — 3750 International Blvd, Oakland, CA 94601 — (510) 788-0065 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Oakland Emissions](https://ctcfinder.com/tester/oakland-emissions-oakland/)** — 2548 24th Ave, Oakland, CA 94601 — (510) 316-6050 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Jerome Moore](https://ctcfinder.com/tester/jerome-moore-oakland/)** — Oakland, CA 94603 — (510) 857-2778 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[King Fleet](https://ctcfinder.com/tester/king-fleet-oakland/)** — 72 98th Ave, Oakland, CA 94603 — (510) 990-7954 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[KingFleet Inc](https://ctcfinder.com/tester/kingfleet-inc-oakland/)** — 72 98th Ave, Oakland, CA 94603 — (916) 752-6134 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.