A
MAMMOTH MOVING HOLDING CORPORATION (DBA MAMMOTH VAN LINES)
USDOT 374567 • MC-225136 • SANTA BARBARA, CA
MoverAudit grade: A, based on federal records below
✓ No major red flags found
Complaint history
No federal complaints on record in the last 4 years. Records checked against the FMCSA household goods complaint database.
Company details
Legal nameMAMMOTH MOVING HOLDING CORPORATION
Doing business asMAMMOTH VAN LINES
Address5390 OVERPASS ROAD SUITE E, SANTA BARBARA, CA 93111
Phone(805) 968-8643
Company officerSEAN EBERZ
OrganizationCorporation
In business sinceNov 1989
Last FMCSA updateMar 2026
Fleet & authority
Power units (trucks)1
Drivers2
Operation classAuthorized For Hire
Carrier operationInterstate
Broker authorityn/a
Carrier authorityn/a
Safety ratingNot rated
Prior revocationYes
MoverAudit risk score: 0/100
Computed from objective federal flags only: broker-only registration, fleet size, complaint volume and severity, hostage-goods reports and past revocations. Lower is safer. This is a summary of public records, not a review.
Complaints vs. other checked movers
Red flags & green flags
!No federal complaints on record in the last 4 years.
!Operating authority was revoked at least once (see authority history below).
✓Liability insurance on file with FMCSA, no recent cancellations.
✓USDOT registration is active.
✓1 truck registered with FMCSA.
✓No hostage-goods complaints on record.
✓In business since 1989: a long federal track record.
✓Never had operating authority revoked.
Roadside safety & insurance
Roadside safety record
Vehicle out-of-service rate, this company vs. national average:
Vehicle inspections4
Driver inspections5
Crashes, last 3 years0
FMCSA safety ratingNot rated
FMCSA safety categories (SMS BASICs), last 24 months:
Driver FitnessClean
Controlled Substances/ AlcoholClean
Hours-of-Service ComplianceBelow cutoff
Unsafe DrivingClean
Vehicle MaintenanceBelow cutoff
Insurance on file
Liability insuranceOn file
InsurerTransguard Insurance Company Of America Inc.
Policy effective sinceAug 2022
Cargo insurance5
Cancellations, 3 yrs0
Stable coverage. Insurance is on file with FMCSA and no cancellations were recorded in the last 3 years.
Source: FMCSA Licensing & Insurance filings, refreshed nightly.
Insurance policy history
Jul 2021 → Jul 2022
Transguard Insurance Company Of America Inc. (Bipd/primary)
$750k
Cancelled
Jul 2004 → Jul 2021
Transguard Insurance Company Of America Inc. (Bipd/primary)
$750k
Cancelled
Jul 2004 → Jul 2022
Transguard Insurance Company Of America Inc. (Cargo)
$750k
Cancelled
Jul 2003 → Jul 2004
Security Insurance Co. Of Hartford (Bipd/full (1))
$750k
Cancelled
Jul 2003 → Jul 2004
Security Insurance Co. Of Hartford (Cargo)
$750k
Cancelled
Jul 1999 → Jul 2003
Security Insurance Co. Of Hartford (Bipd/primary)
$750k
Cancelled
Jul 1999 → Jul 2003
Security Insurance Co. Of Hartford (Cargo)
$750k
Cancelled
Jul 1997 → Jul 1999
Coregis Insurance Company (Bipd/primary)
$750k
Cancelled
Every liability policy this company filed with FMCSA, newest first. Frequent insurer changes or repeated cancellations are worth a direct question; one long-running policy is what stability looks like.
Recent roadside inspections
Jun 19, 2026 Full inspection, CA
1 violation
49 CFR 393.95F: Emergency Equipment - Stopped vehicle warning devices missing or impr…
Dec 23, 2025 Walk-around, CA
1 violation
49 CFR 392.2SLLHOS: State/Local Laws - State/Local Hours of Service
Dec 18, 2025 Walk-around, CA
1 violation
49 CFR 390.21TB1-MC
Jul 9, 2025 Full inspection, CA
2 violations
49 CFR 392.2-SLLSR
49 CFR 393.95A1: Emergency Equipment - Fire Extinguishers - no fire extinguisher prese…
May 17, 2025 Driver-only, CA
2 violations
49 CFR 390.21TB2-DOT
49 CFR 392.2-SLL
Jul 31, 2024 Full inspection, CA
2 violations
49 CFR 390.21T(a)
49 CFR 392.2
Apr 9, 2024 Full inspection, CA
3 violations
49 CFR 390.21T(a)
49 CFR 390.21T(b)
49 CFR 392.2
Mar 25, 2024 Full inspection, CA
Clean, no violations
Last 8 roadside inspections from FMCSA records (up to 3 years). "OOS" means the driver or vehicle was ordered out of service on the spot.
Authority history
Aug 17, 2022 Discontinued revocation
Common: involuntary revocation -> discontinued revocation
Aug 17, 2022 Discontinued revocation
Contract: involuntary revocation -> discontinued revocation
May 13, 2022 Revoked
Motor property common carrier: granted -> revoked
May 13, 2022 Revoked
Motor property contract carrier: granted -> revoked
Jul 8, 2004 Discontinued revocation
Motor property common carrier: involuntary revocation -> discontinued revocation
Jul 8, 2004 Discontinued revocation
Motor property contract carrier: involuntary revocation -> discontinued revocation
May 31, 1991 Discontinued revocation
Motor property common carrier: involuntary revocation -> discontinued revocation
Shared identity check
Clean identity check. This company's address, phone number and officer do not match any other registered mover in our database. No sign of the "chameleon" pattern where a burned company re-registers under a fresh name.
Is Mammoth Moving Holding Corporation reliable? Our read of the record
On the evidence, Mammoth Moving Holding Corporation looks like a reliable operator: operating since 1989 with zero federal complaints in the last four years, 1 registered truck, liability insurance on file without recent cancellations. A record like this is exactly what an honest mover's file tends to look like.
No public record can guarantee your specific move, so keep the basics: written binding estimate, USDOT 374567 on the paperwork, and reasonable deposit. But nothing in the federal file says walk away.
This assessment is generated from the public federal records shown on this page: registration, fleet, complaints, inspections, insurance and authority filings. It is a summary of records, not a review or an accusation.
Carriers to compare in California
About Mammoth Moving Holding Corporation
Mammoth Moving Holding Corporation, doing business as Mammoth Van Lines, is a federally registered mover based in Santa Barbara, California, registered with FMCSA since November 1989. Federal filings show 1 power unit (trucks/tractors) and 2 drivers.
Over the last four years, the federal complaint database shows no complaints against this company. For a mover doing real volume, a clean federal record is a genuinely good sign; for a very small operation it may simply reflect a small number of moves. Combine it with the fleet data above and recent references.
How to read this report
The grade and risk score at the top are calculated by MoverAudit from objective federal flags: whether the company is a broker or a carrier, how many trucks it operates, the volume and severity of complaints, hostage-goods reports, and past authority revocations. They are not official government ratings, and they are not reviews: every input is a public federal record shown on this page.
The complaint categories come from the FMCSA household goods complaint system. A single bad move can generate complaints in several categories at once, so the category sum can exceed the total. Pay the most attention to "Hostage Goods" and "Deceptive Business Practices": those describe intent, not accidents. "Loss and Damage" at low volume is normal friction for a carrier doing thousands of moves; the same number at a tiny company is not.
The fleet numbers matter more than they look. A company advertising nationwide service with zero or one registered truck is not doing that work itself: your move will be handled by someone you have not vetted. Compare the fleet size to the promises in your quote.
If you are considering this company, use this report as a starting point, not a verdict. Get the estimate in writing and check whether it is binding, confirm the USDOT number on their paperwork matches 374567, and if a different company shows up on moving day, stop and check that company here before a single box goes on the truck.
Questions about MAMMOTH MOVING HOLDING CORPORATION
Is Mammoth Moving Holding Corporation legit?
Mammoth Moving Holding Corporation has an active USDOT registration (374567). It has no federal complaints on record in the last 4 years.
Is Mammoth Moving Holding Corporation a broker or a carrier?
Federal records do not show interstate household goods authority for this company. Ask them directly who holds the authority for your move.
Where is Mammoth Moving Holding Corporation based?
5390 Overpass Road Suite E, Santa Barbara, CA 93111. Phone on file: (805) 968-8643. Registered with FMCSA since November 1989.
Sources: FMCSA Motor Carrier Census (registration, fleet), FMCSA Household Goods Complaint History via NCCDB (complaints, checked Jul 18, 2026). MoverAudit summarizes public federal records; it does not accuse any company of wrongdoing. Verify details at protectyourmove.gov.