Jb Couriers Inc is an active interstate carrier based in Mather, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Total Power Units | 6 | ||
Distinct vehicles · 24 mo
vs 6 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 | 86% | 95% | Worse 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 | 53% | 83% | Around peer average |
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 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 9 | 3 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 5, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Mar 3, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Feb 17, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Feb 16, 2026 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 2.64 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 7 | 0.74 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| Unsafe Driving | 1 | 0 | 0 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Feb 9, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 26, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 23, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 15, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 29, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 5, 2026 | 3922SLLFY | State/Local Laws - Failed to yield right of way | Unsafe Driving | — |
| Jul 22, 2025 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | — |
| May 7, 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 |
| May 7, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Apr 23, 2025 | 393201AFRCLS | Frame - Cracked/loose/sagging/broken frame or chassis | Vehicle Maintenance | — |
| Apr 23, 2025 | 393205CWRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | — |
| Jan 7, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 23, 2024 | 39311A1LCL | Lighting - Clearance lamp(s) missing | Vehicle Maintenance | — |
| Oct 23, 2024 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Sep 16, 2024 | 3939H | Inoperable head lamps | Vehicle Maintenance | — |