KING COUNTY

ACTIVE
400 KING CO CTHSE 516 3RD AVE, SEATTLE, WA, 98104|(206) 622-1871

USDOT

618218

MC Number

N/A

Fleet Size

181

Total Drivers

278

Last updated: March 16, 2026

Safety overview

KING COUNTY is a large intrastate only (non-hazmat) motor carrier based in SEATTLE, Washington, operating 181 power units with 278 drivers. FMCSA hasn't published BASIC scores for this carrier yet. That usually means they don't have enough inspection data for the system to calculate percentiles. No crashes on file.

BASIC scores

SMS Percentiles

Higher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.

No BASIC scores available. This usually means the carrier hasn't had enough inspections for FMCSA to calculate percentiles.

Company details

Entity Type
N/A
Carrier Operation
Intrastate Only (Non-Hazmat)
Operation Classification
N/A
Cargo Carried
N
Hazmat
No
Safety Rating Date
N/A

Inspections

0

Total

Driver %

Driver Inspections0
Vehicle Inspections0

Crash history

0

Total Crashes

Fatal Crashes0
Injury Crashes0
Tow Crashes0

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Frequently asked questions

Is KING COUNTY authorized to operate?

Yes. KING COUNTY (USDOT #618218) currently holds "ACTIVE" status with FMCSA. They're registered as an intrastate only (non-hazmat) carrier.

How many trucks does KING COUNTY operate?

KING COUNTY operates 181 power units with 278 drivers on file. That puts them in the large carrier category by FMCSA standards.

Does KING COUNTY transport hazardous materials?

No. KING COUNTY does not have a hazardous materials flag in the FMCSA database.

Where is KING COUNTY located?

KING COUNTY is based in SEATTLE, Washington at 400 KING CO CTHSE 516 3RD AVE, 98104. Phone: (206) 622-1871.