---
title: "CA Testing Services — Clean Truck Check, Selma, CA"
description: "CA Testing Services in Selma, 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/ca-testing-services-selma/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# CA Testing Services

Clean Truck Check tester in Selma, CA (Fresno 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 | 2205 1st St, Selma, CA 93662 |
| County | Fresno County |
| Phone | (559) 896-0500 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks CA Testing Services 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 Colin Logistics - Mobile Clean Truck Check in Selma, about 1 mile away. [See listing](https://ctcfinder.com/tester/colin-logistics-mobile-clean-truck-check-selma/).

## Clean Truck Check testers in Fresno County

CA Testing Services is one of 123 testing businesses in Fresno County on CARB's public tester list. 102 of them offer mobile testing and 47 do smoke opacity tests. In Selma itself there are 11 listed businesses, 11 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 CA Testing Services offer mobile Clean Truck Check testing?

Yes. CA Testing Services 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 CA Testing Services test a 2012 or older diesel truck?

CA Testing Services does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Colin Logistics - Mobile Clean Truck Check](https://ctcfinder.com/tester/colin-logistics-mobile-clean-truck-check-selma/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does CA Testing Services charge for a Clean Truck Check?

CA Testing Services has not published prices with us; call (559) 896-0500 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 CA Testing Services a CARB-credentialed tester?

CA Testing Services 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

- **[Chavarria CTC](https://ctcfinder.com/tester/chavarria-ctc-selma/)** — 7594 E Conejo Ave, Selma, CA 93662 — (559) 898-9070 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Colin Logistics - Mobile Clean Truck Check](https://ctcfinder.com/tester/colin-logistics-mobile-clean-truck-check-selma/)** — 2665 Tammy St, Selma, CA 93662 — (559) 819-9499 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Colin Transportation.](https://ctcfinder.com/tester/colin-transportation-selma/)** — Selma, CA 93662 — (559) 305-0218 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Crosspoint Repair Inc](https://ctcfinder.com/tester/crosspoint-repair-inc-selma/)** — 8298 E Dinuba Ave, Selma, CA 93662 — (559) 801-2578 — 1 mi. Services: mobile testing, OBD testing.
- **[Kevin Lopez Franco](https://ctcfinder.com/tester/kevin-lopez-franco-selma/)** — Selma, CA 93662 — (559) 257-9634 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Khalsa Transportation](https://ctcfinder.com/tester/khalsa-transportation-selma/)** — Selma, CA 93662 — (559) 860-8377 — 1 mi. Services: mobile testing, OBD testing.