Mountain Materials Inc is an active intrastate non-hazmat carrier based in Alpine, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 18 | 0 | 0 |
| Tractors | 18 | 0 | 0 |
| Trailers | 22 | 0 | 0 |
| Total Power Units | 18 | ||
Distinct vehicles · 24 mo
vs 18 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 | 79% | 93% | 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 | 93% | 95% | 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 | 4 | — | 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 | 7 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jun 23, 2025 | CA | TRUCK TRACTOR | 2 | 1 |
| May 20, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 16, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Nov 15, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 0.96 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 8.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| 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%.
| 2 |
| 4 |
| Unsafe Driving | 4 | 2 | 0 |
| Oct 28, 2024 |
| CA |
| TRUCK TRACTOR |
| 5 |
| 3 |
| Jul 30, 2024 | CA | STRAIGHT TRUCK | 1 | 0 |
| Jun 21, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jun 14, 2024 | CA | STRAIGHT TRUCK | 1 | 0 |
| Apr 29, 2024 | CA | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jun 23, 2025 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | Yes |
| Jun 23, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jan 16, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Oct 28, 2024 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Oct 28, 2024 | 393207ASTBW | Suspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component ca | Vehicle Maintenance | Yes |
| Oct 28, 2024 | 39345B2BVAC | Brake - Vacuum hose(s) or line(s) restricted/abraded/chafed through outer cover-to-cord ply crimped/cracked/broken | Vehicle Maintenance | Yes |
| Oct 28, 2024 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Oct 28, 2024 | 3963A1TFCV | Tires - Front in contact with a part of the vehicle | Vehicle Maintenance | Yes |
| Jul 30, 2024 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Jun 14, 2024 | 3963A1 | Inspection repair and maintenance of parts and accessories | Vehicle Maintenance | — |