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

# Big RIG 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 | 14185 Story Rd, San Jose, CA 95127 |
| County | Santa Clara County |
| Phone | (408) 514-8093 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Big RIG 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 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

Big RIG 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 Big RIG Smog offer mobile Clean Truck Check testing?

Yes. Big RIG 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 Big RIG Smog test a 2012 or older diesel truck?

Big RIG 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 Big RIG Smog charge for a Clean Truck Check?

Big RIG Smog has not published prices with us; call (408) 514-8093 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 Big RIG Smog a CARB-credentialed tester?

Big RIG 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.
- **[BZ Truck Smog](https://ctcfinder.com/tester/bz-truck-smog-san-jose/)** — 4025 Holly Dr, San Jose, CA 95127 — (408) 717-2865 — 1 mi. Services: mobile testing, OBD 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.