---
title: "San Benito Smog — Clean Truck Check, Hollister, CA"
description: "San Benito Smog in Hollister, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, motorhome testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/san-benito-smog-hollister/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# San Benito Smog

Clean Truck Check tester in Hollister, CA (San Benito 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 | 731 San Felipe Rd B1, Hollister, CA 95023 |
| County | San Benito County |
| Phone | (831) 537-1349 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks San Benito Smog 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 Allen Equipment Service and Repair in Hollister, about 1 mile away. [See listing](https://ctcfinder.com/tester/allen-equipment-service-and-repair-hollister/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Abraham in Hollister, about 1 mile away. [See listing](https://ctcfinder.com/tester/abraham-hollister/).

## Clean Truck Check testers in San Benito County

San Benito Smog is one of 7 testing businesses in San Benito County on CARB's public tester list. 6 of them offer mobile testing and 2 do smoke opacity tests. In Hollister itself there are 7 listed businesses, 6 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 San Benito Smog 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 [Abraham](https://ctcfinder.com/tester/abraham-hollister/) (about 1 mile).

### Can San Benito Smog test a 2012 or older diesel truck?

San Benito Smog does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Allen Equipment Service and Repair](https://ctcfinder.com/tester/allen-equipment-service-and-repair-hollister/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does San Benito Smog charge for a Clean Truck Check?

San Benito Smog has not published prices with us; call (831) 537-1349 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 San Benito Smog a CARB-credentialed tester?

San Benito Smog 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

- **[Abraham](https://ctcfinder.com/tester/abraham-hollister/)** — 956 East St, Hollister, CA 95023 — (831) 524-9632 — 1 mi. Services: mobile testing, OBD testing.
- **[Adrian Alcaraz](https://ctcfinder.com/tester/adrian-alcaraz-hollister/)** — Hollister, CA 95023 — (408) 550-4348 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Allen Equipment Service and Repair](https://ctcfinder.com/tester/allen-equipment-service-and-repair-hollister/)** — 301 Glen Falls Ct, Hollister, CA 95023 — (831) 320-5792 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Central California Diesel Parts and service](https://ctcfinder.com/tester/central-california-diesel-parts-and-service-hollister/)** — 2250 Pinnacle Ct, Hollister, CA 95023 — (831) 902-8701 — 1 mi. Services: mobile testing, OBD testing.
- **[Miguel Franco](https://ctcfinder.com/tester/miguel-franco-hollister/)** — Hollister, CA 95023 — (831) 537-6093 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[The carb inspector](https://ctcfinder.com/tester/the-carb-inspector-hollister/)** — 2618 Glenview Dr, Hollister, CA 95023 — (408) 658-7565 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.