---
title: "Juan Castellon — Clean Truck Check, Tulare, CA | CTC Finder"
description: "Juan Castellon in Tulare, 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/juan-castellon-tulare/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Juan Castellon

Clean Truck Check tester in Tulare, CA (Tulare 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 | Tulare, CA 93274 |
| County | Tulare County |
| Phone | (559) 616-9387 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Juan Castellon 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 Alejandro Rubio in Tulare, about 1 mile away. [See listing](https://ctcfinder.com/tester/alejandro-rubio-tulare/).

## Clean Truck Check testers in Tulare County

Juan Castellon is one of 62 testing businesses in Tulare County on CARB's public tester list. 53 of them offer mobile testing and 31 do smoke opacity tests. In Tulare itself there are 10 listed businesses, 10 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 Juan Castellon offer mobile Clean Truck Check testing?

Yes. Juan Castellon 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 Juan Castellon test a 2012 or older diesel truck?

Juan Castellon does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Alejandro Rubio](https://ctcfinder.com/tester/alejandro-rubio-tulare/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Juan Castellon charge for a Clean Truck Check?

Juan Castellon has not published prices with us; call (559) 616-9387 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 Juan Castellon a CARB-credentialed tester?

Juan Castellon 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

- **[Alejandro Garcia](https://ctcfinder.com/tester/alejandro-garcia-tulare/)** — Tulare, CA 93274 — (559) 932-4117 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Alejandro Rubio](https://ctcfinder.com/tester/alejandro-rubio-tulare/)** — Tulare, CA 93274 — (559) 799-7749 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[CenCal Diesel](https://ctcfinder.com/tester/cencal-diesel-tulare/)** — 5689 Avenue 256, Tulare, CA 93274 — (559) 991-3347 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Gabes auto smog](https://ctcfinder.com/tester/gabes-auto-smog-tulare/)** — 153 N Mountain View St, Tulare, CA 93274 — (559) 991-6969 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Heber Meza](https://ctcfinder.com/tester/heber-meza-tulare/)** — Tulare, CA 93274 — (559) 378-3259 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Joey Vasconcellos](https://ctcfinder.com/tester/joey-vasconcellos-tulare/)** — Tulare, CA 93274 — (559) 740-8282 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.