CarrierIntel Score: 72/100. 2 inspection violations in the past 12 months. Updated Oct 2026.
DOT 2805086ActiveIntrastate Non-HazmatSANTA ROSA, CA
COMPANY
Authority since
—
MCS-150
2024-05-21 · 660,000 mi (2025)
Fleet
81 units · 4 trailers · 32 drivers
Annual mileage (VMT)
660,000 mi (2025)
ADDRESS
Physical
360 SUTTON PL SANTA ROSA, CA 95407-8121
Mailing
Same as physical
CONTACT
Phone
7075424862
Email
jboyd@argonautconstructors.com
OFFICERS
Primary Officer
Trevor Stewart
Title
VP_Safety
Email
tstewart@argonautconstructors.com
Phone
+1 (707) 332-2447
OPERATION & CARGO
Operation classification
Private Property
Specialty
Tanker / Bulk Liquids
Cargo types
5
Building MaterialsMachinery, Large ObjectsLiquids / GasesConstructionOther: Diesel fuel
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
133 mo
Since USDOT registration
INSURANCE
Verification needed
No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
0 risk factors · 3 strengths
OOS RATE
4.8%
1 / 21 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
72
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections
Verification needed — No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.