Sonoma Materials Inc is an active intrastate non-hazmat carrier based in Sonoma, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 5 | ||
Distinct vehicles · 24 mo
vs 5 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 | 76% | 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 | 80% | 92% | 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 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 37 | 11 | 6 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Mar 6, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Feb 10, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 20, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.62 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 18 | 5.55 | — |
| 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 |
| Jan 12, 2026 |
| CA |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| Jan 12, 2026 | CA | STRAIGHT TRUCK | 4 | 1 |
| Jan 12, 2026 | CA | STRAIGHT TRUCK | 3 | 1 |
| Jan 12, 2026 | CA | SEMI-TRAILER | 2 | 0 |
| Jan 12, 2026 | CA | FULL TRAILER | 2 | 0 |
| Jan 12, 2026 | CA | SEMI-TRAILER | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | 39370ACDIT | Coupling - Defective causing improper tracking | Vehicle Maintenance | — |
| Mar 6, 2026 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | — |
| Jan 20, 2026 | 39370CCDTMLB | Coupling - Turntable mounting loose bolts | Vehicle Maintenance | — |
| Jan 12, 2026 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Jan 12, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Jan 12, 2026 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Jan 12, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Jan 12, 2026 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Jan 12, 2026 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Jan 12, 2026 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |