DBA: Wheeler Zamaroni Landscape Supply
Zamaroni Quarry Inc is an active interstate carrier based in Santa Rosa, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 13 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 14 | ||
Distinct vehicles · 24 mo
vs 14 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 | 87% | 95% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 74% | 90% | 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 | 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 | 6 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 27, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 19, 2025 | CA | TRUCK TRACTOR | 2 | 2 |
| Nov 26, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Sep 30, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.83 | — |
| Vehicle Maintenance | 4 | 4.14 | — |
| 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%.
| 4 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Mar 25, 2025 | CA | TRUCK TRACTOR | 1 | 1 |
| Mar 14, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 13, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 12, 2025 | CA | STRAIGHT TRUCK | 2 | 0 |
| Dec 16, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Sep 24, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 19, 2025 | 39375GTFWETL | Tires - Front weight carried exceeds tire load limit | Vehicle Maintenance | Yes |
| Dec 19, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Nov 26, 2025 | 39311A1LTSM | Lighting - Turn signal - Any missing on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Sep 30, 2025 | 3958AHOSPVI | HOS (Passenger) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | — |
| Mar 25, 2025 | 393110B2IC | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo 5 feet or less and more than 1100 lbs | Vehicle Maintenance | Yes |
| Mar 12, 2025 | 39348ABMBCBD | Drum Brake - Missing/broken component(s) | Vehicle Maintenance | — |
| Mar 12, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |