Carrier profile · USDOT 4278931 · Updated Jul 18, 2026

GROUNDWORKS WASHINGTON LLC

DBA MATVEY FOUNDATION REPAIRGROUNDWORKS OPERATIONS

12 power unitsavg 6.1 yrLocal · 1 statesSEATAC, WA93/100
AUTHORITY STATUS UNKNOWN
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Operations & Lanes

Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal
revealed
States observed1
US states
Inspections · 24 mo15
WA busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
SEATAC, WA
18915 16TH AVE S
Top corridor
WA
WA 15
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · GROUNDWORKS WASHINGTON LLC · trailing 24 months
StateCoverageInspections
WAWashingtonHQ15