Carrier profile · USDOT 3220618 · Updated Jun 13, 2026

SERGIO HERRERA

DBA NUMBER ONE CONCORD READY MIX

3 power unitsANTIOCH, CA50/100
AUTHORITY STATUS UNKNOWN
Verified linksFMCSA SAFER

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

No roadside inspections on record.

Roadside inspection history· 24-mo monthly · vehicle / driver level · any-OOS overlay

No roadside inspections on the FMCSA record in this window