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Castle & King

USDOT 4388994MC-1721535USDOT activeAuthority active· Vacaville, CA

Castle & King (USDOT 4388994) holds active operating authority as a motor carrier of property under MC-1721535 based in Vacaville, CA. The earliest grant on file is from May 2025, 17 months ago. $750,000 of liability coverage is on file with Federated Mutual Insurance Co. It reported 10 power units and 7 drivers on its last MCS-150 update (June 2026).

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-1721535Motor carrier of propertyActive$750,000 liability$750,000 liability

Earliest grant on file: May 29, 2025 (17 months ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XFederated Mutual Insurance Co.$750,000May 15, 2025—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
May 29, 2025MC-1721535Granted · motor carrier of property
May 29, 2025MC-1721535Granted · motor carrier of property

Registration

USDOT number4388994
USDOT statusActive
MC numberMC-1721535
Legal nameCastle & King
OperationInterstate
ClassificationPrivate property, Authorized for hire
LocationVacaville, California 95687
USDOT addedApr 3, 2025
Last MCS-150 updateJun 18, 2026
Safety ratingNot rated

Fleet

Power units10
Trucks10
Drivers7 · 7 with a CDL
Annual miles197,271 · 2025

Cargo carried

General freight, other

Check it yourself

Data as of Nov 13, 2026. Sources

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