---
title: "Opperman & Sons, Inc. — Clean Truck Check, Healdsburg, CA"
description: "Opperman & Sons, Inc. in Healdsburg, CA is on CARB's Clean Truck Check tester list. Offers OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/opperman-and-sons-inc-healdsburg/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Opperman & Sons, Inc.

Clean Truck Check tester in Healdsburg, CA (Sonoma 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 | 280 Kinley Dr, Healdsburg, CA 95448 |
| County | Sonoma County |
| Phone | (707) 478-7491 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Opperman & Sons, Inc. 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 David Bertoli in Santa Rosa, about 13 miles away. [See listing](https://ctcfinder.com/tester/david-bertoli-santa-rosa/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Clifford Cole in Santa Rosa, about 11 miles away. [See listing](https://ctcfinder.com/tester/clifford-cole-santa-rosa/).

## Clean Truck Check testers in Sonoma County

Opperman & Sons, Inc. is one of 28 testing businesses in Sonoma County on CARB's public tester list. 19 of them offer mobile testing and 14 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 Opperman & Sons, Inc. 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 [Clifford Cole](https://ctcfinder.com/tester/clifford-cole-santa-rosa/) (about 11 miles).

### Can Opperman & Sons, Inc. test a 2012 or older diesel truck?

Opperman & Sons, Inc. does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [David Bertoli](https://ctcfinder.com/tester/david-bertoli-santa-rosa/) (about 13 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Opperman & Sons, Inc. charge for a Clean Truck Check?

Opperman & Sons, Inc. has not published prices with us; call (707) 478-7491 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 Opperman & Sons, Inc. a CARB-credentialed tester?

Opperman & Sons, Inc. 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

- **[Opperman and Son](https://ctcfinder.com/tester/opperman-and-son-healdsburg/)** — Healdsburg, CA 95448 — (707) 304-0375 — 1 mi. Services: OBD testing.
- **[Clifford Cole](https://ctcfinder.com/tester/clifford-cole-santa-rosa/)** — Santa Rosa, CA 95403 — (707) 888-3057 — 11 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[RKB Leasing LLC](https://ctcfinder.com/tester/rkb-leasing-llc-santa-rosa/)** — 3224 Regional Pkwy, Santa Rosa, CA 95403 — (707) 494-6468 — 11 mi. Services: OBD testing, motorhome testing.
- **[Angelica Onate](https://ctcfinder.com/tester/angelica-onate-santa-rosa/)** — Santa Rosa, CA 95404 — (707) 888-8066 — 13 mi. Services: mobile testing.
- **[Breen](https://ctcfinder.com/tester/breen-santa-rosa/)** — 4122 Wallace Rd, Santa Rosa, CA 95404 — (415) 374-3282 — 13 mi. Services: mobile testing, motorhome testing.
- **[D Bar Diesel Truck Repair Corp](https://ctcfinder.com/tester/d-bar-diesel-truck-repair-corp-santa-rosa/)** — 5535 Idlewood Dr, Santa Rosa, CA 95404 — (707) 292-7934 — 13 mi. Services: mobile testing, OBD testing, motorhome testing.