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Carrier profile · USDOT 4388994 · MC-1721535 · Updated 07/23/2026

CASTLE & KING

7 power unitsVACAVILLE, CA
CARRIER ACTIVEMC-1721535 ACTIVE
Verified linksrockonck.comFMCSA SAFERCallEmail
Observed fleet · trailing 24 mo daily
7Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Awaiting decode
Call dispatch(707) 446-2434Email dispatchDUSTIN@ROCKONCK.COM

Load decision · FMCSA snapshot · 2026-07-23

Limited record

Not enough federal record to assess. Verify authority and insurance directly.

Active operating authorityInsurance on fileNot enough inspection history to rate
Operating authority1 yr active
since 2025
Insurance (BIPD)On file
FMCSA L&I
Vehicle OOS · 24mo—%
▼ 22.26% nat'l
Crashes · fatal0
clean 24 mo
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet typeIdentity

Small fleet

7 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Awaiting VIN decode

Identity stabilityNew

1 yr unchanged

Same registration since 2025 — no chameleon / reincarnation signal.

AI readCarrier, 1-yr authority — unrated.Full read

Is CASTLE & KING safe to work with?

Is CASTLE & KING safe to load? CASTLE & KING (USDOT 4388994, MC-1721535) is an active small-fleet motor carrier based in VACAVILLE, CA, operating 7 power units and 7 drivers. Operating authority has been active 1 year (under the 24-month threshold). FMCSA has not assigned a safety rating. Vektor does not assign this carrier a safety score: No federal roadside inspections in the last 24 months. There is no recent safety record to judge this carrier on — verify authority, insurance and references directly before tendering. Source: FMCSA SAFER/MCMIS, last updated 2026-07-23.

FMCSA fields + Vektor analysis · updated 2026-07-23
C&CASTLE & KING 50
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Frequently asked

What is CASTLE & KING's USDOT number?

CASTLE & KING's USDOT number is 4388994, and its motor carrier number is MC-1721535.

Is CASTLE & KING authorized to operate?

As of 2026-07-23, CASTLE & KING is active in the FMCSA register with common, contract, broker operating authority on file.

How big is CASTLE & KING's fleet?

CASTLE & KING operates 7 power units and 7 drivers per its most recent MCS-150 filing.

Where is CASTLE & KING based?

CASTLE & KING is based in VACAVILLE, CA.