Gregs Trucking Service Inc is an active intrastate non-hazmat carrier based in San Mateo, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 25 | 0 | 0 |
| Total Power Units | 12 | ||
Distinct vehicles · 24 mo
vs 12 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 | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 67% | 88% | 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 |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 11 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | CA | TRUCK TRACTOR | 1 | 0 |
| Feb 13, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 26, 2026 | CA | TRUCK TRACTOR | 1 | 0 |
| Jan 26, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Oct 2, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 7 | 3.13 | — |
| 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%.
| 3 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Aug 29, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Aug 29, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Aug 13, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 29, 2025 | CA | TRUCK TRACTOR | 4 | 1 |
| Jul 24, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | — |
| Jan 26, 2026 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Jul 29, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jul 29, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Jul 29, 2025 | 3963A1ALBV | Air Brake - Any leak from a brake valve | Vehicle Maintenance | — |
| Jul 29, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Jul 24, 2025 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Jul 9, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Jul 9, 2025 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | Yes |
| Aug 14, 2024 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |