---
title: "Morgan Hill Smog — Clean Truck Check, Morgan Hill, CA"
description: "Morgan Hill Smog in Morgan Hill, 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/morgan-hill-smog-morgan-hill/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Morgan Hill Smog

Clean Truck Check tester in Morgan Hill, 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 | 195 San Pedro Ave Suite C 5, Morgan Hill, CA 95037 |
| County | Santa Clara County |
| Phone | (408) 763-1903 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Morgan Hill 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 Caddell Fleet Services in Morgan Hill, about 1 mile away. [See listing](https://ctcfinder.com/tester/caddell-fleet-services-morgan-hill/).

## Clean Truck Check testers in Santa Clara County

Morgan Hill 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 Morgan Hill itself there are 6 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 Morgan Hill Smog offer mobile Clean Truck Check testing?

Yes. Morgan Hill 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 Morgan Hill Smog test a 2012 or older diesel truck?

Morgan Hill Smog does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Caddell Fleet Services](https://ctcfinder.com/tester/caddell-fleet-services-morgan-hill/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

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

Morgan Hill Smog has not published prices with us; call (408) 763-1903 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 Morgan Hill Smog a CARB-credentialed tester?

Morgan Hill 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

- **[Caddell Fleet Services](https://ctcfinder.com/tester/caddell-fleet-services-morgan-hill/)** — 16160 Church St, Morgan Hill, CA 95037 — (408) 599-9295 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Cali Smoke Testing](https://ctcfinder.com/tester/cali-smoke-testing-morgan-hill/)** — 2505 Pinto Ct, Morgan Hill, CA 95037 — (408) 427-2236 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Direct Fleet Scan](https://ctcfinder.com/tester/direct-fleet-scan-morgan-hill/)** — 305 Vineyard Town Ctr, Morgan Hill, CA 95037 — (408) 710-6489 — 1 mi. Services: mobile testing, OBD testing.
- **[Jose Gonzalez Sandoval](https://ctcfinder.com/tester/jose-gonzalez-sandoval-morgan-hill/)** — Morgan Hill, CA 95037 — (707) 430-1829 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Norcal Inspections](https://ctcfinder.com/tester/norcal-inspections-morgan-hill/)** — 2505 Pinto Ct, Morgan Hill, CA 95037 — (408) 828-2080 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[CA Truck Compliance Group](https://ctcfinder.com/tester/ca-truck-compliance-group-san-martin/)** — 40 E San Martin Ave, San Martin, CA 95046 — (408) 360-7700 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.