---
title: "Stacks Smoke Testing — Clean Truck Check, Visalia, CA"
description: "Stacks Smoke Testing in Visalia, 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/stacks-smoke-testing-visalia/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Stacks Smoke Testing

Clean Truck Check tester in Visalia, CA (Tulare 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 | 32154 Big Creek Ct, Visalia, CA 93291 |
| County | Tulare County |
| Phone | (805) 423-7616 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Stacks Smoke Testing 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 Earl Cain Trucking in Visalia, about 1 mile away. [See listing](https://ctcfinder.com/tester/earl-cain-trucking-visalia/).

## Clean Truck Check testers in Tulare County

Stacks Smoke Testing is one of 62 testing businesses in Tulare County on CARB's public tester list. 53 of them offer mobile testing and 31 do smoke opacity tests. In Visalia itself there are 19 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 Stacks Smoke Testing offer mobile Clean Truck Check testing?

Yes. Stacks Smoke Testing 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 Stacks Smoke Testing test a 2012 or older diesel truck?

Stacks Smoke Testing does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Earl Cain Trucking](https://ctcfinder.com/tester/earl-cain-trucking-visalia/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Stacks Smoke Testing charge for a Clean Truck Check?

Stacks Smoke Testing has not published prices with us; call (805) 423-7616 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 Stacks Smoke Testing a CARB-credentialed tester?

Stacks Smoke Testing 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

- **[C & M Truck & Trailer LLC](https://ctcfinder.com/tester/c-and-m-truck-and-trailer-llc-visalia/)** — 30309 Road 48, Visalia, CA 93291 — (559) 936-8097 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[California Tire Service](https://ctcfinder.com/tester/california-tire-service-visalia/)** — 6905 Avenue 304, Visalia, CA 93291 — (559) 691-9921 — 1 mi. Services: mobile testing, OBD testing.
- **[Daniel’s clean truck check](https://ctcfinder.com/tester/daniels-clean-truck-check-visalia/)** — 3220 W Flagstaff Ave, Visalia, CA 93291 — (559) 827-2231 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Earl Cain Trucking](https://ctcfinder.com/tester/earl-cain-trucking-visalia/)** — 2347 W Babcock Ave, Visalia, CA 93291 — (559) 723-2552 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[KRC safety co](https://ctcfinder.com/tester/krc-safety-co-visalia/)** — 7821 W Sunnyview Ave, Visalia, CA 93291 — (559) 667-2669 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Busloop](https://ctcfinder.com/tester/busloop-goshen/)** — 6835 Avenue 305, Goshen, CA 93227 — (510) 209-6691 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.