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MAMMOTH MOVING HOLDING CORPORATION
CarrierIntel Score: 79/100. 5 inspection violations in the past 12 months. Updated Oct 2026.
DOT 374567MC 225136ActiveMotor CarrierInterstateTRANSGUARD INSURANCE COMPANY OF AMERICA INC. +1 · $750,000 · 2 policiesSANTA BARBARA, CA
COMPANY
Authority since
2022-06-13
MCS-150
2026-03-17 · 20,578 mi (2026)
Fleet
1 units · 5 trailers · 2 drivers
Annual mileage (VMT)
20,578 mi (2026)
ADDRESS
Physical
5390 OVERPASS ROAD SUITE E
SANTA BARBARA, CA 93111
SANTA BARBARA, CA 93111
Mailing
Same as physical
CONTACT
Phone
8059688643
Email
september@mammothmoving.com
OFFICERS
Primary Officer
SEPTEMBER CIZEK
Title
CONTROLLER
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Household Goods Mover
Cargo types
3
Household GoodsMotor VehiclesMachinery, Large Objects
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
435 mo
Active authority
INSURANCE
2 active
TRANSGUARD INSURANCE COMPANY OF AMERICA INC.
RISK GRADE
Minimal Risk
0 risk factors · 2 strengths
OOS RATE
0.0%
0 / 10 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
79
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0 risk factors · 2 strengths · 2 data pointsSAFETY PERFORMANCE
Crash Record
1 crashes · 0 fatal · 0 with injuries · 1 tow-away
Clean Inspection Rate
100% — 10 clean of 10 inspections
Out-of-Service Rate
0.0% — driver OOS 0 insp., vehicle OOS 0 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
17 historical event(s) on file
MCS-150 Filing
Last filed 2026-03-17
INSURANCE
Active Coverage
2 policy(ies) on file · total max coverage $750,000
SUMMARY
No crashes in the last 24 months
Active insurance on file
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