Carrier profile · USDOT 1901870 · Updated Jun 13, 2026

CORNERSTONE EXCAVATING INC

5 power unitsWASHINGTON, IA50/100
AUTHORITY STATUS UNKNOWN

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.

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

Home base
WASHINGTON, IA
1320 WEST MAIN STREET
Density
fewermore
Shade = roadside inspections, last 24 mo.