Yassir Steven Serpas Diaz (USDOT 4392025)
No blockers or cautions found.
- 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 active as of 2026-08-16. 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, 0 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 71 SCHUYLKILL AVE, HAYWARD, CA 94544-8133
- MCS-150 last filed
- 2025-04
Frequently asked questions
What carrier is USDOT 4392025?
USDOT 4392025 is Yassir Steven Serpas Diaz, an intrastate non-hazmat motor carrier.
What is Yassir Steven Serpas Diaz's USDOT number?
Yassir Steven Serpas Diaz's USDOT number is 4392025. No MC docket number is on file.
Is Yassir Steven Serpas Diaz 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 active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Yassir Steven Serpas Diaz have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Yassir Steven Serpas Diaz's safety record?
In the last 24 months, FMCSA records show 1 of 2 vehicle inspections ending out-of-service for Yassir Steven Serpas Diaz, too few inspections for a stable rate. FMCSA records also show 0 reportable crashes in the same window.
What is Yassir Steven Serpas Diaz's CSA score?
FMCSA does not publish a single CSA score for carriers. Yassir Steven Serpas Diaz's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Yassir Steven Serpas Diaz's FMCSA safety rating?
Yassir Steven Serpas Diaz 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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