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Byron Mathieu (USDOT 4187598)

Monitor
Verdict
No blockers or cautions found
DOT number
USDOT 4187598
Operating authority
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier's USDOT registration active as of Sep 16, 2026. We could not confirm that live just now.
Insurance on file
No active liability (BIPD) insurance on file with FMCSA.
Safety rating
No published safety rating
Fleet on file
1 power unit, 2 drivers
Operation type
Intrastate Non-Hazmat
Physical address
42326 OREGON TRL, MURRIETA, CA 92562-5229
MCS-150 last filed
Jan 2024

Frequently asked questions

What carrier is DOT 4187598?

DOT 4187598 (USDOT 4187598) is Byron Mathieu, an intrastate non-hazmat motor carrier.

What is Byron Mathieu's USDOT number?

Byron Mathieu's USDOT number is 4187598. No MC docket number is on file.

Is Byron Mathieu currently authorized to operate?

Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier's USDOT registration active as of Sep 16, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Byron Mathieu have insurance on file with FMCSA?

No active liability (BIPD) insurance on file with FMCSA.

What is Byron Mathieu's safety record?

In the last 24 months, FMCSA records show 0 of 1 vehicle inspection ending out-of-service for Byron Mathieu, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Byron Mathieu's CSA score?

FMCSA does not publish a single CSA score for carriers. Byron Mathieu's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.

What is Byron Mathieu's FMCSA safety rating?

Byron Mathieu has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.

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View the full fleetfax report for Byron Mathieu

Carriers based in Murrieta, CA

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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 16, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status