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Commercial Plate Lookup

License Plate CA 4SB5231 (California) — Joel Diaz

USDOT 3517862 · 2018 Wilson Trailer Co.

Clean record

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.

Earliest and latest dates below are observations we have retained, not registration dates.
Observed datesVINPlateReported carrier
2026-07-024WW5452A1J6626585CA 4SB5231JOEL DIAZ · USDOT 3517862

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

Joel Diaz Active

USDOT
3517862
MC
1663246
Status
Active
Type
Motor Carrier
Based in
Fortuna, CA
Power units
2
Drivers
1
Inspections (24 mo)
9
Crashes (24 mo)
0
Vehicle OOS rate
37.5%

Carrier recorded at the latest inspection in the available records (2026-07-02). 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.
Plate
CA-4SB5231
Vehicles
1
Inspections
1
OOS results
0
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What this means

License plate CA-4SB5231 appears in FMCSA inspection records 1 time. Recorded on one vehicle: VIN 4WW5452A1J6626585 (2018 Wilson Trailer Co.). Most recent operating carrier: Joel Diaz (USDOT 3517862). Vehicle make on file: Wilson Trailer Co. (WILX) (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-4SB5231 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. The most recent inspection activity under this plate was 2026-07-02. 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 2018 Wilson Trailer Co. — VIN 4WW5452A1J6626585 (semi-trailer).

Combined inspection & out-of-service record

Across all vehicles on this plate there are 1 inspection 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

Operated by Joel Diaz (USDOT 3517862) in every inspection on record.

Vehicle detail (inspections per unit)
VIN 4WW5452A1J6626585 2018 Wilson Trailer Co. (WILX) · SEMI-TRAILER
Last seen 2026-07-02
Carrier: JOEL DIAZ (DOT 3517862) · 1 inspections · 0 OOS · 0 violations
Last inspected in California · Level I — full inspection of the driver and the vehicle

Related

Frequently Asked Questions

How many vehicles are linked to plate CA-4SB5231?
One: VIN 4WW5452A1J6626585 (2018 Wilson Trailer Co.).
Who operates the truck with plate CA-4SB5231?
FMCSA inspection records name Joel Diaz (USDOT 3517862) as the operating carrier, most recently on 2026-07-02.

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