---
title: "Denise Baca — Clean Truck Check, Oxnard, CA | CTC Finder"
description: "Denise Baca in Oxnard, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/denise-baca-oxnard/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Denise Baca

Clean Truck Check tester in Oxnard, CA (Ventura 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 | Oxnard, CA 93033 |
| County | Ventura County |
| Phone | (805) 703-8513 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Denise Baca 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 Big Rig Smog II in Oxnard, about 4 miles away. [See listing](https://ctcfinder.com/tester/big-rig-smog-ii-oxnard/).

## Clean Truck Check testers in Ventura County

Denise Baca is one of 68 testing businesses in Ventura County on CARB's public tester list. 61 of them offer mobile testing and 21 do smoke opacity tests. In Oxnard itself there are 22 listed businesses, 19 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 Denise Baca offer mobile Clean Truck Check testing?

Yes. Denise Baca 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 Denise Baca test a 2012 or older diesel truck?

Denise Baca does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Big Rig Smog II](https://ctcfinder.com/tester/big-rig-smog-ii-oxnard/) (about 4 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Denise Baca charge for a Clean Truck Check?

Denise Baca has not published prices with us; call (805) 703-8513 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 Denise Baca a CARB-credentialed tester?

Denise Baca 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

- **[Diesel smog Mobile service](https://ctcfinder.com/tester/diesel-smog-mobile-service-oxnard/)** — 1101 W Channel Islands Blvd, Oxnard, CA 93033 — (805) 843-2919 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Gallegos Mobile Auto Repair LLC](https://ctcfinder.com/tester/gallegos-mobile-auto-repair-llc-oxnard/)** — 144 E Date St, Oxnard, CA 93033 — (805) 612-8767 — 1 mi. Services: mobile testing, OBD testing.
- **[House Sanitary Supply](https://ctcfinder.com/tester/house-sanitary-supply-oxnard/)** — Oxnard, CA 93033 — (805) 366-1862 — 1 mi. Services: not listed.
- **[Ivan Vazquez](https://ctcfinder.com/tester/ivan-vazquez-oxnard/)** — Oxnard, CA 93033 — (805) 825-7063 — 1 mi. Services: mobile testing, OBD testing.
- **[Kristian Torres](https://ctcfinder.com/tester/kristian-torres-oxnard/)** — Oxnard, CA 93033 — (805) 422-9316 — 1 mi. Services: mobile testing.
- **[Santana & Sons Transporta](https://ctcfinder.com/tester/santana-and-sons-transporta-oxnard/)** — 552 Nectarine St, Oxnard, CA 93033 — (805) 469-0647 — 1 mi. Services: mobile testing, OBD testing.