CE
CORNERSTONE EXCAVATING INC
DOT 1901870ActiveIntrastate Non-HazmatWASHINGTON, IA
COMPANY
Authority since
—
MCS-150
2025-09-23 · 120,000 mi (2024)
Fleet
5 units · 3 trailers · 3 drivers
Annual mileage (VMT)
120,000 mi (2024)
ADDRESS
Physical
1320 WEST MAIN STREET
WASHINGTON, IA 52353
WASHINGTON, IA 52353
Mailing
PO BOX 928
WASHINGTON, IA 52353
WASHINGTON, IA 52353
CONTACT
Phone
3196533957
Email
office@cstoneinc.com
OFFICERS
Primary Officer
WILLIAM J MILLER
Title
OWNER
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
Construction & Building Materials
Cargo types
3
Building MaterialsMachinery, Large ObjectsConstruction
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Moderate Risk
1 risk factors · 0 strengths
OOS RATE
0.0%
0 / 0 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Moderate Risk
1 risk factor · 0 strengths · 2 data pointsSAFETY PERFORMANCE
Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
No inspection data
Out-of-Service Rate
—
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-09-23
INSURANCE
Active Coverage
No insurance policies on file
SUMMARY
No active insurance on file
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