License Plate CA 4PZ6170 (California) — M Rios Trucking Inc
USDOT 1164738 · 2013 Utility Trailer Manufacturer
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 |
|---|---|---|---|
| 2026-09-25 | 1UYFS2482DA514904 | CA 4PZ6170 | M RIOS TRUCKING INC · USDOT 1164738 |
| 2026-06-30 | 1UYFS2482DA514904 | CA 4PZ6170 | CONTRERAS TRUCKING INC · USDOT 785307 |
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
M Rios Trucking Inc Active
- USDOT
- 1164738
- MC
- 468451
- Status
- Active
- Type
- Motor Carrier
- Based in
- San Diego, CA
- Power units
- 30
- Drivers
- 29
- Inspections (24 mo)
- 284
- Crashes (24 mo)
- 2
- Vehicle OOS rate
- 19.6%
Carrier recorded at the latest inspection in the available records (2026-09-25). 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.This plate has also been operated by 1 other carrier (listed below).
What this means
License plate CA-4PZ6170 appears in FMCSA inspection records 3 times. Recorded on one vehicle: VIN 1UYFS2482DA514904 (2013 Utility Trailer Manufacturer). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: M Rios Trucking Inc (USDOT 1164738). Vehicle make on file: Utility (UTIL) (SEMI-TRAILER). No out-of-service violations are recorded under this plate in the available inspection records. Other violations may still be present.
About this plate
Commercial license plate CA-4PZ6170 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-03-14 to 2026-09-25. The latest inspection was in California, a Level III — driver and paperwork only.
Vehicle on this plate
This plate is associated with a single vehicle, a 2013 Utility Trailer Manufacturer — VIN 1UYFS2482DA514904 (semi-trailer).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 3 inspections on FMCSA record. No out-of-service violations appear in the available records under this plate. This does not mean that every inspection was free of other violations.
Operators
2 carriers have operated vehicles under this plate (most recent first): M Rios Trucking Inc (USDOT 1164738) from 2025-03-14 to 2026-09-25; Contreras Trucking Inc (USDOT 785307) on 2026-06-30.