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

# BZ Truck Smog

Clean Truck Check tester in San Jose, CA (Santa Clara 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 | 4025 Holly Dr, San Jose, CA 95127 |
| County | Santa Clara County |
| Phone | (408) 717-2865 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks BZ Truck 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Norcal CARB Check Diesel Testing in San Jose, about 1 mile away. [See listing](https://ctcfinder.com/tester/norcal-carb-check-diesel-testing-san-jose/).

## Clean Truck Check testers in Santa Clara County

BZ Truck Smog is one of 79 testing businesses in Santa Clara County on CARB's public tester list. 67 of them offer mobile testing and 27 do smoke opacity tests. In San Jose itself there are 41 listed businesses, 36 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 BZ Truck Smog offer mobile Clean Truck Check testing?

Yes. BZ Truck Smog 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 BZ Truck Smog test a 2012 or older diesel truck?

BZ Truck Smog does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Norcal CARB Check Diesel Testing](https://ctcfinder.com/tester/norcal-carb-check-diesel-testing-san-jose/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

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

BZ Truck Smog has not published prices with us; call (408) 717-2865 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 BZ Truck Smog a CARB-credentialed tester?

BZ Truck 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

- **[Auto City Reg](https://ctcfinder.com/tester/auto-city-reg-san-jose/)** — 3148 Alum Rock Ave, San Jose, CA 95127 — (408) 489-3215 — 1 mi. Services: not listed.
- **[Big RIG Smog](https://ctcfinder.com/tester/big-rig-smog-san-jose/)** — 14185 Story Rd, San Jose, CA 95127 — (408) 514-8093 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[GX2](https://ctcfinder.com/tester/gx2-san-jose/)** — 4353 Hyland Ave, San Jose, CA 95127 — (909) 522-0984 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Norcal CARB Check Diesel Testing](https://ctcfinder.com/tester/norcal-carb-check-diesel-testing-san-jose/)** — San Jose, CA 95127 — (408) 843-0703 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Raju Trucking INC](https://ctcfinder.com/tester/raju-trucking-inc-san-jose/)** — 275 Pala Ave, San Jose, CA 95127 — (408) 250-6643 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Sonny Ramirez](https://ctcfinder.com/tester/sonny-ramirez-san-jose/)** — San Jose, CA 95127 — (408) 409-6135 — 1 mi. Services: mobile testing, OBD testing.