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Guillermo Fierro Barreras (USDOT 4227733)

Blocking issues found.

DOT number
USDOT 4227733
Docket (MC) number
MC79738459
Operating authority
Common carrier authority: pending. The federal bulk file showed this carrier active as of 2026-08-30. 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 units, 4 drivers
Operation type
Interstate
Physical address
26877 TYRRELL AVE, HAYWARD, CA 94544
MCS-150 last filed
2026-08

Findings

  • Operating authority not yet active (Critical): Authority application is on file with FMCSA but has not been granted yet
  • No active insurance on file (Critical): No active liability coverage on file with FMCSA

Frequently asked questions

What carrier is DOT 4227733?

DOT 4227733 (USDOT 4227733) is Guillermo Fierro Barreras, an interstate motor carrier.

What carrier is MC 79738459?

MC 79738459 is the docket number of Guillermo Fierro Barreras, USDOT 4227733.

What is Guillermo Fierro Barreras's MC number?

Guillermo Fierro Barreras's docket number is MC 79738459. Its USDOT number is 4227733.

Is Guillermo Fierro Barreras currently authorized to operate?

Common carrier authority: pending. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Guillermo Fierro Barreras have insurance on file with FMCSA?

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

What is Guillermo Fierro Barreras's safety record?

In the last 24 months, FMCSA records show 0 of 5 vehicle inspections ending out-of-service for Guillermo Fierro Barreras, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Guillermo Fierro Barreras's CSA score?

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

What is Guillermo Fierro Barreras's FMCSA safety rating?

Guillermo Fierro Barreras 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.

Changes over time

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Carriers based in Hayward, CA

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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status