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WILLIAM UNDERWOOD CONSTRUCTION

DOT 3546731ActiveIntrastate Non-HazmatCOTATI, CA

COMPANY

Authority since
—
MCS-150
2026-02-13 · 100 mi (2025)
Fleet
1 units · — trailers · 1 drivers
Annual mileage (VMT)
100 mi (2025)

ADDRESS

Physical
357 E SCHOOL ST
COTATI, CA 94931-4215
Mailing
Same as physical

CONTACT

Phone
7076649415
Email
wm.underwoodconst@sbcglobal.net

OFFICERS

Primary Officer
BILL ARRINGTON UNDERWOOD SR.
Title
OWNER

OPERATION & CARGO

Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
4
General FreightBuilding MaterialsConstructionOther: LUMBER
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 points

SAFETY 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 2026-02-13

INSURANCE

Active Coverage
No insurance policies on file

SUMMARY

No active insurance on file

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