Mazariegos Brothers General Construction Inc is an active interstate carrier based in Upper Marlboro, MD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 9 | 0 | 0 |
| Total Power Units | 9 | ||
Distinct vehicles · 24 mo
vs 9 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 87% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 86% | 91% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 2 | — | 6.67% |
| Vehicle | 0 | 7 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 24 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 2, 2026 | MD | STRAIGHT TRUCK | 2 | 2 |
| Jul 15, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Apr 22, 2025 | MD | STRAIGHT TRUCK | 6 | 2 |
| Apr 1, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 9 | 9.68 | — |
| Driver Fitness | 6 | 2.87 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state MD accounts for 100% of activity. Activity outside home state (MD): 0%.
| 6 |
| 6 |
| Driver Fitness | 6 | 1 | 2 |
| Mar 23, 2025 |
| MD |
| STRAIGHT TRUCK |
| 4 |
| 1 |
| Oct 23, 2024 | MD | STRAIGHT TRUCK | 1 | 0 |
| Oct 22, 2024 | MD | STRAIGHT TRUCK | 4 | 2 |
| Aug 27, 2024 | MD | STRAIGHT TRUCK | 7 | 2 |
| Aug 27, 2024 | MD | STRAIGHT TRUCK | 2 | 0 |
| Jul 9, 2024 | MD | STRAIGHT TRUCK | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 2, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 2, 2026 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Apr 22, 2025 | 39141AMCPC | Medical (Certificate) - Operating a commercial vehicle without showing proof of a valid medical certification upon request when medical certification is required. | Driver Fitness | Yes |
| Apr 22, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Apr 22, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Apr 22, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Apr 22, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Apr 22, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Mar 23, 2025 | 39141AMCPC | Medical (Certificate) - Operating a commercial vehicle without showing proof of a valid medical certification upon request when medical certification is required. | Driver Fitness | — |
| Mar 23, 2025 | 39375A1TFSMF | Tires - Front sidewall is cut/worn/damaged exposing ply cord | Vehicle Maintenance | Yes |