Juan Carlos Sierra (USDOT 4519336)
Blocking issues found.
- Operating authority
- No active operating authority on file with FMCSA. 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
- 5 power units, 4 drivers
- Operation type
- Interstate
- Physical address
- 5978 NOEL LN, KATY, TX 77493-7709
- MCS-150 last filed
- 2026-01
Findings
- Active FMCSA Out-of-Service Order (Critical): The order is in effect: New Entrant Revoked - Refusal of Audit/No Contact (issued 2026-08-04). An FMCSA out-of-service order stops operation on public roads until FMCSA rescinds it
Frequently asked questions
What carrier is USDOT 4519336?
USDOT 4519336 is Juan Carlos Sierra, an interstate motor carrier.
What is Juan Carlos Sierra's USDOT number?
Juan Carlos Sierra's USDOT number is 4519336. No MC docket number is on file.
Is Juan Carlos Sierra currently authorized to operate?
No active operating authority on file with FMCSA. 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 Juan Carlos Sierra have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Juan Carlos Sierra's safety record?
In the last 24 months, FMCSA records show 0 of 2 vehicle inspections ending out-of-service for Juan Carlos Sierra, too few inspections for a stable rate. FMCSA records also show 0 reportable crashes in the same window.
What is Juan Carlos Sierra's CSA score?
FMCSA does not publish a single CSA score for carriers. Juan Carlos Sierra's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Juan Carlos Sierra's FMCSA safety rating?
Juan Carlos Sierra 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