Cargo carriedGeneral Freight, Motor Vehicles, Driveaway/Towaway, Building materials / construction, Dry Bulk, Other
MCS-150 mileage15,000 mi (2025)
Phone (on file)(832) 552-5008
Sources: census record as of October 19, 2026; authority and insurance from FMCSA L&I, checked October 4, 2026; inspections and crashes from FMCSA SMS, checked October 4, 2026.
Quick answer
Mastex Transport LLC is an intrastate (non-hazmat) motor carrier in Humble, Texas (USDOT 4426929) with active operating authority and a self-reported fleet of 1 power unit.
Key takeaways
USDOT 4426929 is registered to Mastex Transport LLC, an intrastate (non-hazmat) carrier based in Humble, TX.
MC docket number on file: MC-1741320.
Operating authority status: authorized (Common), with $1M BIPD insurance on file.
Self-reported fleet size: 1 power unit and 1 driver (FMCSA MCS-150 self-report; sanitized for plausibility).
Registered cargo types include general freight, motor vehicles, driveaway/towaway, building materials / construction.
Source: FMCSA Safety Measurement System, roadside inspections and crashes over a ~24-month window, checked October 4, 2026. An out-of-service rate is the share of inspections in which a vehicle or driver was placed out of service. With few inspections, one result moves the rate a lot. FMCSA crash records include crashes regardless of fault. None of these figures is a safety rating. The official Satisfactory/Conditional/Unsatisfactory safety rating is issued separately. See SAFER.
About Mastex Transport LLC
Mastex Transport LLC is an intrastate (non-hazmat) motor carrier based in Humble, Texas, registered with the FMCSA under USDOT 4426929. It holds active operating authority (MC-1741320), with $1M of BIPD insurance on file. The carrier self-reports a fleet of 1 power unit and 1 driver. Registered cargo includes general freight, motor vehicles, driveaway/towaway, building materials / construction, dry bulk. Its most recent MCS-150 filing reported 15,000 mi (2025).
Before you work with this carrier
Confirm the safety rating. Authority and insurance are shown or linked above. Open the SAFER snapshot for the official safety rating and out-of-service status.
Verify insurance is current. Coverage on file can lapse; confirm active BIPD/cargo before tendering a load.
Match authority to the work. For-hire loads need active operating authority. A USDOT number alone isn't enough.