---
title: "Warren E. Gomes Excavating Inc. — Clean Truck Check, Rio Vista, CA"
description: "Warren E. Gomes Excavating Inc. in Rio Vista, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/warren-e-gomes-excavating-inc-rio-vista/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Warren E. Gomes Excavating Inc.

Clean Truck Check tester in Rio Vista, CA (Solano 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 | 551 Airport Rd., Rio Vista, CA 94571 |
| County | Solano County |
| Phone | (707) 688-9432 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Warren E. Gomes Excavating 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 Boyds Fleet Repair in Suisun City, about 10 miles away. [See listing](https://ctcfinder.com/tester/boyds-fleet-repair-suisun-city/).

## Clean Truck Check testers in Solano County

Warren E. Gomes Excavating Inc. is one of 38 testing businesses in Solano County on CARB's public tester list. 34 of them offer mobile testing and 21 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 Warren E. Gomes Excavating Inc. offer mobile Clean Truck Check testing?

Yes. Warren E. Gomes Excavating Inc. 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 Warren E. Gomes Excavating Inc. test a 2012 or older diesel truck?

Warren E. Gomes Excavating Inc. does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Boyds Fleet Repair](https://ctcfinder.com/tester/boyds-fleet-repair-suisun-city/) (about 10 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Warren E. Gomes Excavating Inc. charge for a Clean Truck Check?

Warren E. Gomes Excavating Inc. has not published prices with us; call (707) 688-9432 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 Warren E. Gomes Excavating Inc. a CARB-credentialed tester?

Warren E. Gomes Excavating 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

- **[Dano Clean Truck](https://ctcfinder.com/tester/dano-clean-truck-rio-vista/)** — 439 Cedar Ridge Dr US, Rio Vista, CA 94571 — (831) 970-2951 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Boyds Fleet Repair](https://ctcfinder.com/tester/boyds-fleet-repair-suisun-city/)** — 1434 Langley Way, Suisun City, CA 94585 — (707) 974-6261 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[A1 Stop Smog](https://ctcfinder.com/tester/a1-stop-smog-antioch/)** — 1810 Verne Roberts Cir, Antioch, CA 94509 — (925) 445-7875 — 11 mi. Services: OBD testing, motorhome testing.
- **[Charlotte Larsen](https://ctcfinder.com/tester/charlotte-larsen-antioch/)** — Antioch, CA 94509 — (925) 374-2879 — 11 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Contra Costa Mobile Repair](https://ctcfinder.com/tester/contra-costa-mobile-repair-antioch/)** — 1915 Cavallo Rd, Antioch, CA 94509 — (925) 437-1397 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Drill Tech Drilling Shoring Inc.](https://ctcfinder.com/tester/drill-tech-drilling-shoring-inc-antioch/)** — 2200 Wymore Way, Antioch, CA 94509 — (510) 715-3737 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.