License Plate CA 4XG9099 (California) — Keystone Building Inc
USDOT 4429708 · 2025 RJ R & J Trailers
Most recently recorded carrier for this plate
Keystone Building Inc Active
- USDOT
- 4429708
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Napa, CA
- Power units
- 4
- Drivers
- 3
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-06-25). 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.
What this means
License plate CA-4XG9099 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1R9BD1421SM600483 (2025 RJ R & J Trailers). Most recent operating carrier: Keystone Building Inc (USDOT 4429708). Vehicle make on file: RJ (OTHER). 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-4XG9099 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2026-05-19 to 2026-06-25. 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 2025 RJ R & J Trailers — VIN 1R9BD1421SM600483 (other).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 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
Operated by Keystone Building Inc (USDOT 4429708) in every inspection on record.