Port Diaz (USDOT 3519546)
Blocking issues found.
- DOT number
- USDOT 3519546
- Docket (MC) number
- MC1167734
- Operating authority
- Common carrier authority: inactive. The federal bulk file showed this carrier active as of 2026-08-27. We could not confirm that live just now.
- Authority granted
- 2021-01-05
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 3 power units, 3 drivers
- Operation type
- Interstate
- Physical address
- 600 UNIT 0111 BARWOOD PARK, AUSTIN, TX 78753
- MCS-150 last filed
- 2026-05
Findings
- Operating authority inactive (Critical): Carrier does not currently hold active operating authority
- No active insurance on file (Critical): No active liability coverage on file with FMCSA
- Authority was previously revoked or inactive (Caution): Carrier authority was revoked 7 months ago. FMCSA's revocation/reinstatement history can lag its MOTUS registration system; if this carrier's authority is active today, a reinstatement may not yet be reflected here.
Frequently asked questions
What carrier is DOT 3519546?
DOT 3519546 (USDOT 3519546) is Port Diaz, an interstate motor carrier.
What carrier is MC 1167734?
MC 1167734 is the docket number of Port Diaz, USDOT 3519546.
What is Port Diaz's MC number?
Port Diaz's docket number is MC 1167734. Its USDOT number is 3519546.
Is Port Diaz currently authorized to operate?
Common carrier authority: inactive. The federal bulk file showed this carrier active as of 2026-08-27. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Port Diaz have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Port Diaz's safety record?
In the last 24 months, FMCSA records show 1 of 3 vehicle inspections ending out-of-service for Port Diaz, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Port Diaz's CSA score?
FMCSA does not publish a single CSA score for carriers. Port Diaz's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Port Diaz's FMCSA safety rating?
Port 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
Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.
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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