KING COUNTY
ACTIVEUSDOT
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 PercentilesHigher 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 %
Crash history
0
Total Crashes
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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.