---
title: "Optivia Tech LLC — Clean Truck Check, San Ramon, CA"
description: "Optivia Tech LLC in San Ramon, 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/optivia-tech-llc-san-ramon/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Optivia Tech LLC

Clean Truck Check tester in San Ramon, CA (Contra Costa 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 | 1934 Brookcliff Cir, San Ramon, CA 94582 |
| County | Contra Costa County |
| Phone | (415) 727-7227 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Optivia Tech LLC 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 Jtd Under Pressure in Dublin, about 3 miles away. [See listing](https://ctcfinder.com/tester/jtd-under-pressure-dublin/).

## Clean Truck Check testers in Contra Costa County

Optivia Tech LLC is one of 61 testing businesses in Contra Costa County on CARB's public tester list. 57 of them offer mobile testing and 38 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 Optivia Tech LLC offer mobile Clean Truck Check testing?

Yes. Optivia Tech LLC 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 Optivia Tech LLC test a 2012 or older diesel truck?

Optivia Tech LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Jtd Under Pressure](https://ctcfinder.com/tester/jtd-under-pressure-dublin/) (about 3 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Optivia Tech LLC charge for a Clean Truck Check?

Optivia Tech LLC has not published prices with us; call (415) 727-7227 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 Optivia Tech LLC a CARB-credentialed tester?

Optivia Tech LLC 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

- **[Christina Law](https://ctcfinder.com/tester/christina-law-dublin/)** — Dublin, CA 94568 — (415) 638-1873 — 3 mi. Services: mobile testing, OBD testing.
- **[Eric Icay](https://ctcfinder.com/tester/eric-icay-dublin/)** — Dublin, CA 94568 — (925) 765-7327 — 3 mi. Services: mobile testing, OBD testing.
- **[Jtd Under Pressure](https://ctcfinder.com/tester/jtd-under-pressure-dublin/)** — Dublin, CA 94568 — (925) 216-5834 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mobile Golden State Emissions Dublin](https://ctcfinder.com/tester/mobile-golden-state-emissions-dublin-dublin/)** — 5421 Campbell Ln., Dublin, CA 94568 — (925) 818-1831 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mobile Golden State Emissions](https://ctcfinder.com/tester/mobile-golden-state-emissions-danville/)** — 821 Orange Blossom Way, Danville, CA 94526 — (925) 818-1831 — 5 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Tri-Valley Clean Truck Check / Cal Water Trucking](https://ctcfinder.com/tester/tri-valley-clean-truck-check-cal-water-trucking-danville/)** — 35 Surrey Ct, Danville, CA 94526 — (925) 708-3099 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.