Mason Mechanical Services LLC USDOT 2019948
Company Overview
Mason Mechanical Services LLC is an active DOT registered motor registrant operating under USDOT Number 2019948.
| Total Trucks | 2 | ||
| Tractors Owned | 0 | ||
| Trailer Owned | 2 | ||
| Total Drivers | 2 | ||
| USDOT | 2019948 | ||
| MCS-150 Mileage Year | 2024 | ||
| MCS-150 Date | 15-APR-24 | ||
| MCS-150 Mileage | 158000 | ||
| Does Mason Mechanical Services LLC transport Hazardous Material? | No | ||
| Carrier Operation | Interstate | ||
| Mason Mechanical Services LLC in business since | 20100413 | ||
Company Contact Information
Mason Mechanical Services LLC 
4538 Timbery Dr
Jefferson, MD 21755
Mailing Address:
Po Box 548
Jefferson, MD 21755
301-703-9922
4538 Timbery Dr
Jefferson, MD 21755
Mailing Address:
Po Box 548
Jefferson, MD 21755
301-703-9922
Cargo Hauled by Mason Mechanical Services LLC
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Mason Mechanical Services LLC Safety Measurement System Data
Last Updated Sep 2025| Total Number of Inspections for the measurement period (24 months) | 0 |
| Total Number of Driver Inspections for the measurment period | 0 |
| Total Number of Driver Inspections containing at least one Driver Out-of-Service Violation | 0 |
| Total Number of Vehicle Inspections for the measurement period | 0 |
| Total Number of Vehicle Inspections containing at least one Vehicle Out-of-Service violation | 0 |
| Mason Mechanical Services Llc Unsafe Truck Driving Data | |
| Number of inspections with at least one Unsafe Driving BASIC violation | 0 |
| Unsafe Driving BASIC Roadside Performance Measure Value | 0 |
| Unsafe Driving BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Mason Mechanical Services Llc Hours-of-Service (HOS) Data | |
| Number of inspections with at least one Hours-of-Service BASIC violation | 0 |
| Hours-of-Service (HOS) Compliance BASIC Roadside Performance measure value | 0 |
| Hours-of-Service (HOS) Compliance BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Mason Mechanical Services LLC Truck Driver Fitness Data | |
| Number of inspections with at least one Truck Driver Fitness BASIC violation | 0 |
| Truck Driver Fitness BASIC Roadside Performance measure value | 0 |
| Truck Driver Fitness BASIC Serious Violation Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Mason Mechanical Services Llc Controlled Substances and Alcohol Data | |
| Number of inspections with at least one Controlled Substances and Alcohol BASIC violation | 0 |
| Number of inspections with at least one Controlled Substances and Alcohol BASIC violation | 0 |
| Controlled Substances and Alcohol BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Mason Mechanical Services LLC Vehicle Maintenance Data | |
| Number of inspections with at least one Vehicle Maintenance BASIC violation | 0 |
| Vehicle Maintenance BASIC Roadside Performance measure value | 0 | Vehicle Maintenance BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |