---
title: "Christopher Blankenship — Clean Truck Check, Santa Paula, CA"
description: "Christopher Blankenship in Santa Paula, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, smoke opacity (non-OBD) testing, motorhome testing…"
url: "https://ctcfinder.com/tester/christopher-blankenship-santa-paula/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Christopher Blankenship

Clean Truck Check tester in Santa Paula, 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 | Santa Paula, CA 93060 |
| County | Ventura County |
| Phone | (805) 320-2206 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Christopher Blankenship 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Luis Alvarez in Santa Paula, about 1 mile away. [See listing](https://ctcfinder.com/tester/luis-alvarez-santa-paula/).

## Clean Truck Check testers in Ventura County

Christopher Blankenship 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 Santa Paula itself there are 5 listed businesses, 2 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 Christopher Blankenship 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 [Luis Alvarez](https://ctcfinder.com/tester/luis-alvarez-santa-paula/) (about 1 mile).

### Can Christopher Blankenship test a 2012 or older diesel truck?

Yes. Christopher Blankenship lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Christopher Blankenship charge for a Clean Truck Check?

Christopher Blankenship has not published prices with us; call (805) 320-2206 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 Christopher Blankenship a CARB-credentialed tester?

Christopher Blankenship 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

- **[Barnes Fleet Service](https://ctcfinder.com/tester/barnes-fleet-service-santa-paula/)** — 800 Corporation St, Santa Paula, CA 93060 — (805) 844-4175 — 1 mi. Services: OBD testing, motorhome testing.
- **[Hector Tarango](https://ctcfinder.com/tester/hector-tarango-santa-paula/)** — Santa Paula, CA 93060 — (805) 702-5857 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Luis Alvarez](https://ctcfinder.com/tester/luis-alvarez-santa-paula/)** — Santa Paula, CA 93060 — (562) 418-3824 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[So-Cal Mobile CTC LLC](https://ctcfinder.com/tester/so-cal-mobile-ctc-llc-santa-paula/)** — 1717 Cherry Hill Rd, Santa Paula, CA 93060 — (805) 392-2572 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Macias Mobile Repair](https://ctcfinder.com/tester/macias-mobile-repair-ventura/)** — Ventura, CA 93004 — (760) 560-6523 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Michael Attema](https://ctcfinder.com/tester/michael-attema-ventura/)** — Ventura, CA 93004 — (805) 797-0570 — 8 mi. Services: mobile testing, OBD testing.