License Plate CA EP21779 (California) — Robertson's Ready Mix Ltd A California Limited Partnership
USDOT 256299 · 2021 Ram 3500
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2025-08-14 | 3C7WRSBL4MG603833 | CA EP21779 | ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP · USDOT 256299 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this plate
Robertson's Ready Mix Ltd A California Limited Partnership Active
- USDOT
- 256299
- MC
- 1040325
- Status
- Active
- Type
- Motor Carrier
- Based in
- Corona, CA
- Power units
- 1,239
- Drivers
- 1,239
- Inspections (24 mo)
- 183
- Crashes (24 mo)
- 17
- Vehicle OOS rate
- 14.5%
Carrier recorded at the latest inspection in the available records (2025-08-14). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.
What this means
License plate CA-EP21779 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 3C7WRSBL4MG603833 (2021 Ram 3500). Most recent operating carrier: Robertson's Ready Mix Ltd A California Limited Partnership (USDOT 256299). Vehicle make on file: Ram (STRAIGHT TRUCK). 2 out-of-service results across all inspections.
About this plate
Commercial license plate CA-EP21779 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-06-27 to 2025-08-14. The latest inspection was in California, a Level I — full inspection of the driver and the vehicle.
Vehicle on this plate
This plate is associated with a single vehicle, a 2021 Ram 3500 — VIN 3C7WRSBL4MG603833 (straight truck).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. The records show 2 out-of-service violations across 2 inspections. OOS breakdown: 1 vehicle, 1 driver. The leading violation category is Vehicle Maintenance (1), then Driver Fitness (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Robertson's Ready Mix Ltd A California Limited Partnership (USDOT 256299) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 1 | — Minor |
| Driver Fitness | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |