---
title: "Sapp Brothers St. George — Clean Truck Check, Toquerville, UT"
description: "Sapp Brothers St. George in Toquerville, UT is on CARB's Clean Truck Check tester list with 3 credentialed testers. Offers OBD testing, motorhome testing…"
url: "https://ctcfinder.com/tester/sapp-brothers-st-george-toquerville-ut/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Sapp Brothers St. George

Clean Truck Check tester in Toquerville, UT.

> 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 | 600 W 1700 N, Toquerville, UT 84774 |
| Phone | (435) 236-6201 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 3 |
| Last verified | 2026-11-01 |

## Which trucks Sapp Brothers St. George 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 RED Rock Garage INC. in Saint George, about 20 miles away. [See listing](https://ctcfinder.com/tester/red-rock-garage-inc-saint-george-ut/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Bryan Bielski in Hurricane, about 15 miles away. [See listing](https://ctcfinder.com/tester/bryan-bielski-hurricane-ut/).

## Clean Truck Check testers in Utah

Sapp Brothers St. George is one of 13 testing businesses in Utah on CARB's public tester list. 7 of them offer mobile testing and 3 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 Sapp Brothers St. George offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Bryan Bielski](https://ctcfinder.com/tester/bryan-bielski-hurricane-ut/) (about 15 miles).

### Can Sapp Brothers St. George test a 2012 or older diesel truck?

Sapp Brothers St. George does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [RED Rock Garage INC.](https://ctcfinder.com/tester/red-rock-garage-inc-saint-george-ut/) (about 20 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Sapp Brothers St. George charge for a Clean Truck Check?

Sapp Brothers St. George has not published prices with us; call (435) 236-6201 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 Sapp Brothers St. George a CARB-credentialed tester?

Sapp Brothers St. George appears on CARB's public Clean Truck Check tester list with 3 credentialed testers, 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

- **[Bryan Bielski](https://ctcfinder.com/tester/bryan-bielski-hurricane-ut/)** — Hurricane, UT 84737 — (213) 808-2510 — 15 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[RED Rock Garage INC.](https://ctcfinder.com/tester/red-rock-garage-inc-saint-george-ut/)** — 4204 S River Rd, Saint George, UT 84790 — (435) 705-3659 — 20 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.