DBA: Leon Trucking
Nelson A Leon is an active intrastate non-hazmat carrier based in Montclair, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Total Power Units | 1 | ||
Distinct vehicles · 24 mo
vs 1 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 94% | 92% | Worse than most peers |
| Driver Fitness | 98% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 94% | 93% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 2 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 11, 2025 | CA | TRUCK TRACTOR | 3 | 1 |
| Aug 8, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| May 7, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Sep 11, 2024 | CA | TRUCK TRACTOR | 3 | 2 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.14 | — |
| Vehicle Maintenance | 2 | 7.60 | — |
| Driver Fitness | 1 | 1.42 | — |
| Controlled Substances | 0 | 0.00 | — |
| Driver Fitness |
| 1 |
| 1 |
| 1 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Aug 30, 2024 |
| CA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 11, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Sep 11, 2025 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Sep 11, 2025 | 3963A1HCM | Hubs - Bearing cap plug or filler plug missing or broken | Vehicle Maintenance | Yes |
| Sep 11, 2024 | 39111B4DEN | Driver operating a CMV without proper endorsements or in violation of restrictions | Driver Fitness | Yes |
| Sep 11, 2024 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Sep 11, 2024 | 3958 | Record of Duty Status violation (general/form and manner) | Hours-of-Service Compliance | — |