M Bar M is an active intrastate non-hazmat carrier based in Castro Valley, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Trailers | 6 | 0 | 0 |
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 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 | 87% | 94% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 94% | 97% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 79% | 90% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 6 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 5, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Oct 29, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Aug 13, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| May 30, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Nov 25, 2024 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 6.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 5.00 | — |
| Driver Fitness | 1 | 0.66 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| 6 |
| Driver Fitness | 1 | 1 | 1 |
| Unsafe Driving | 1 | 0 | 0 |
| CA |
| STRAIGHT TRUCK |
| 2 |
| 1 |
| Nov 21, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Nov 13, 2024 | CA | STRAIGHT TRUCK | 4 | 2 |
| Nov 4, 2024 | CA | STRAIGHT TRUCK | 3 | 3 |
| Jun 14, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 29, 2025 | 39370DCDTSDNS | Coupling - Full Trailer safety devices not attached/not able to be secured | Vehicle Maintenance | Yes |
| Nov 25, 2024 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Nov 25, 2024 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Nov 13, 2024 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Nov 13, 2024 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Nov 13, 2024 | 3929ADFSL | Driver - Failing to properly secure load | Vehicle Maintenance | — |
| Nov 13, 2024 | 39343DB | Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Vehicle Maintenance | Yes |
| Nov 4, 2024 | 39311A1LTSM | Lighting - Turn signal - Any missing on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Nov 4, 2024 | 39370DCDTSDNS | Coupling - Full Trailer safety devices not attached/not able to be secured | Vehicle Maintenance | Yes |
| Nov 4, 2024 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |