DBA: Piazza Trucking
Samuel J Piazza & Son Inc is an active interstate carrier based in South Gate, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 19 | 15 | 0 |
| Trailers | 162 | 0 | 0 |
| Total Power Units | 38 | ||
Distinct vehicles · 24 mo
vs 38 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 84% | 93% | Worse than most peers |
| HOS Compliance | 82% | 93% | Worse than most peers |
| Driver Fitness | 73% | 96% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 52% | 84% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 1 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 31 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Mar 12, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 2, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 2, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Feb 26, 2026 | CA | STRAIGHT TRUCK |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 0.94 | — |
| HOS Compliance | 4 | 0.28 | — |
| Vehicle Maintenance | 20 | 1.50 | — |
| Driver Fitness | 2 | 0.05 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state CA accounts for 72% of activity. Activity outside home state (CA): 28%.
| 7 |
| 6 |
| Hours-of-Service Compliance | 8 | 0 | 1 |
| Unsafe Driving | 5 | 3 | 0 |
| Driver Fitness | 2 | 0 | 2 |
| Hazardous Materials Compliance | 1 | 0 | 0 |
| 0 |
| 0 |
| Feb 20, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Feb 10, 2026 | AZ | TRUCK TRACTOR | 1 | 1 |
| Jan 20, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Jan 8, 2026 | AZ | TRUCK TRACTOR | 2 | 0 |
| Dec 30, 2025 | CA | SEMI-TRAILER | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 10, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Jan 8, 2026 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Jan 8, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Dec 19, 2025 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Dec 19, 2025 | 393203CCBP | Cab and Body Parts - Hood not securely fastened | Vehicle Maintenance | — |
| Dec 13, 2025 | 39524DELDPT | HOS (ELD) - On request by an authorized safety official a driver must produce and transfer from an ELD the driver's hours of service records in accordance with t | Hours-of-Service Compliance | — |
| Dec 9, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Nov 20, 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 |
| Sep 23, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Sep 19, 2025 | 172516C1HMPMC | HM (Placarding) - Failure to securely affix/attach placard(s). | Hazardous Materials Compliance | — |