Sierra Hz Trucking Llc is an active intrastate non-hazmat carrier based in Fairfield, 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 | 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 | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 89% | 88% | 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 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state 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 | 0 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 23, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Oct 22, 2025 | CA | TRUCK TRACTOR | 3 | 0 |
| Sep 23, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Jul 2, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 14, 2025 |
Carriers that share an officer, phone, or email with this DOT.
Shared email · 1
Shared phone · 1
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 2.60 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| CA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Aug 13, 2024 | CA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 22, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Oct 22, 2025 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | — |
| Oct 22, 2025 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Aug 13, 2024 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |