---
title: "Reliable Workforce Services — Clean Truck Check, Weed, CA"
description: "Reliable Workforce Services in Weed, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and…"
url: "https://ctcfinder.com/tester/reliable-workforce-services-weed/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Reliable Workforce Services

Clean Truck Check tester in Weed, CA (Siskiyou 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 | 20510 Big Springs Rd #A, Weed, CA 96094 |
| County | Siskiyou County |
| Phone | (530) 598-1625 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Reliable Workforce Services 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 Skinners Truck Repair in Mount Shasta, about 14 miles away. [See listing](https://ctcfinder.com/tester/skinners-truck-repair-mount-shasta/).

## Clean Truck Check testers in Siskiyou County

Reliable Workforce Services is one of 7 testing businesses in Siskiyou County on CARB's public tester list. 6 of them offer mobile testing and 4 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 Reliable Workforce Services offer mobile Clean Truck Check testing?

Yes. Reliable Workforce Services 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 Reliable Workforce Services test a 2012 or older diesel truck?

Reliable Workforce Services does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Skinners Truck Repair](https://ctcfinder.com/tester/skinners-truck-repair-mount-shasta/) (about 14 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Reliable Workforce Services charge for a Clean Truck Check?

Reliable Workforce Services has not published prices with us; call (530) 598-1625 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 Reliable Workforce Services a CARB-credentialed tester?

Reliable Workforce Services 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

- **[Skinners Truck Repair](https://ctcfinder.com/tester/skinners-truck-repair-mount-shasta/)** — 5908 Truck Village Dr, Mount Shasta, CA 96067 — (530) 925-4304 — 14 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[MHE Parts and Repair Inc.](https://ctcfinder.com/tester/mhe-parts-and-repair-inc-montague/)** — 903 S 11th St, Montague, CA 96064 — (530) 905-0371 — 17 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[A1 automotive](https://ctcfinder.com/tester/a1-automotive-yreka/)** — 201 E Oberlin Rd, Yreka, CA 96097 — (530) 340-2823 — 23 mi. Services: mobile testing, OBD testing.