---
title: "Ryan Fleet Service INC — Clean Truck Check, San Gabriel, CA"
description: "Ryan Fleet Service INC in San Gabriel, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/ryan-fleet-service-inc-san-gabriel/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Ryan Fleet Service INC

Clean Truck Check tester in San Gabriel, CA (Los Angeles 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 | 8839 Arcadia Avenue, San Gabriel, CA 91775 |
| County | Los Angeles County |
| Phone | (626) 349-5623 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Ryan Fleet Service 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 Hill Smog in Pasadena, about 3 miles away. [See listing](https://ctcfinder.com/tester/hill-smog-pasadena/).

## Clean Truck Check testers in Los Angeles County

Ryan Fleet Service INC is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 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 Ryan Fleet Service INC offer mobile Clean Truck Check testing?

Yes. Ryan Fleet Service 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 Ryan Fleet Service INC test a 2012 or older diesel truck?

Ryan Fleet Service INC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Hill Smog](https://ctcfinder.com/tester/hill-smog-pasadena/) (about 3 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Ryan Fleet Service INC charge for a Clean Truck Check?

Ryan Fleet Service INC has not published prices with us; call (626) 349-5623 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 Ryan Fleet Service INC a CARB-credentialed tester?

Ryan Fleet Service 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

- **[Paul brow](https://ctcfinder.com/tester/paul-brow-san-gabriel/)** — San Gabriel, CA 91776 — (626) 840-7678 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Nutthakarn Pantiyanurak](https://ctcfinder.com/tester/nutthakarn-pantiyanurak-alhambra/)** — Alhambra, CA 91801 — (626) 620-5326 — 3 mi. Services: mobile testing, OBD testing.
- **[Silver smog check](https://ctcfinder.com/tester/silver-smog-check-alhambra/)** — 2601 West Main Street, Alhambra, CA 91801 — (626) 300-8765 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Hill Smog](https://ctcfinder.com/tester/hill-smog-pasadena/)** — 248 N Hill Ave, Pasadena, CA 91106 — (626) 796-7609 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Rolis Mobile Service](https://ctcfinder.com/tester/rolis-mobile-service-pasadena/)** — 2220 E Foothill Blvd, Pasadena, CA 91107 — (310) 757-2361 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Ivan LU](https://ctcfinder.com/tester/ivan-lu-rosemead/)** — Rosemead, CA 91770 — (626) 476-1199 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.