Mario Alberto Diaz (USDOT 4021777)
No blockers or cautions found.
- DOT number
- USDOT 4021777
- Docket (MC) number
- MC1517128
- Operating authority
- Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-29. We could not confirm that live just now.
- Authority granted
- 2023-02-24
- Insurance on file
- Liability (BIPD) insurance on file for $750,000.
- Safety rating
- No published safety rating
- Fleet on file
- 1 power units, 1 drivers
- Operation type
- Interstate
- Physical address
- 9112 GRANNIS ST, HOUSTON, TX 77075
- MCS-150 last filed
- 2025-09
Findings
- No inspections in the last 24 months (Note): 1 truck on file · active 3 years · no inspections in our 24-month roadside record
Frequently asked questions
What carrier is DOT 4021777?
DOT 4021777 (USDOT 4021777) is Mario Alberto Diaz, an interstate motor carrier.
What carrier is MC 1517128?
MC 1517128 is the docket number of Mario Alberto Diaz, USDOT 4021777.
What is Mario Alberto Diaz's MC number?
Mario Alberto Diaz's docket number is MC 1517128. Its USDOT number is 4021777.
Is Mario Alberto Diaz currently authorized to operate?
Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-29. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Mario Alberto Diaz have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $750,000.
Who provides Mario Alberto Diaz's insurance?
Mario Alberto Diaz's liability insurance is filed with FMCSA by Geico County Mutual Insurance CO..
What is Mario Alberto Diaz's safety record?
FMCSA records show no vehicle inspections for Mario Alberto Diaz in the last 24 months, so there is no out-of-service rate. FMCSA records also show 0 recordable crashes in the same window.
What is Mario Alberto Diaz's CSA score?
FMCSA does not publish a single CSA score for carriers. Mario Alberto Diaz's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Mario Alberto Diaz's FMCSA safety rating?
Mario Alberto 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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Reconstructed from cached and fleetfax-ingested FMCSA public records (live FMCSA was unavailable) and may be out of date; verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status