---
title: "King Fleet — Clean Truck Check, Oakland, CA | CTC Finder"
description: "King Fleet in Oakland, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing…"
url: "https://ctcfinder.com/tester/king-fleet-oakland/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# King Fleet

Clean Truck Check tester in Oakland, CA (Alameda 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 | 72 98th Ave, Oakland, CA 94603 |
| County | Alameda County |
| Phone | (510) 990-7954 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks King Fleet 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 |

## Clean Truck Check testers in Alameda County

King Fleet is one of 85 testing businesses in Alameda County on CARB's public tester list. 79 of them offer mobile testing and 37 do smoke opacity tests. In Oakland itself there are 15 listed businesses, 15 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 King Fleet offer mobile Clean Truck Check testing?

Yes. King Fleet 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 King Fleet test a 2012 or older diesel truck?

Yes. King Fleet 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 King Fleet charge for a Clean Truck Check?

King Fleet has not published prices with us; call (510) 990-7954 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 King Fleet a CARB-credentialed tester?

King Fleet 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

- **[Jerome Moore](https://ctcfinder.com/tester/jerome-moore-oakland/)** — Oakland, CA 94603 — (510) 857-2778 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[KingFleet Inc](https://ctcfinder.com/tester/kingfleet-inc-oakland/)** — 72 98th Ave, Oakland, CA 94603 — (916) 752-6134 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Bigge Crane & Rigging](https://ctcfinder.com/tester/bigge-crane-and-rigging-san-leandro/)** — 10700 Bigge St, San Leandro, CA 94577 — (510) 330-3372 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Gan-Trans LTD](https://ctcfinder.com/tester/gan-trans-ltd-san-leandro/)** — San Leandro, CA 94577 — (510) 357-3100 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Pape Kenworth.](https://ctcfinder.com/tester/pape-kenworth-san-leandro/)** — San Leandro, CA 94577 — (510) 335-5085 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[UpTime Direct LLC](https://ctcfinder.com/tester/uptime-direct-llc-san-leandro/)** — 1515 Aurora Dr 203F, San Leandro, CA 94577 — (510) 207-8575 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.