Fleet typeIdentity
Owner-operator
1 power unit. Brokers price each fleet type apart.
Carrier profile · USDOT 1507890 · MC-565539 · Updated Aug 20, 2026
William Mandolph
DBA MANDOLPH & SONS
1 power unitavg 11.5 yrLocal · 1 statesCHINO HILLS, CA50/100
CARRIER ACTIVEMC-565539 ACTIVE
Observed fleet · trailing 24 mo daily
1Power units
1 observed · MCS-150
1Trailers seen
Decoded · vPIC
11.5Avg age (yr)
2013–2016 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · Aug 20, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
USDOT registration2020 yr registered
Active for-hireInsurance (BIPD)$750K in force
FMCSA L&IVehicle OOS · 24-mo0.0%
Crashes · fatal00
Clean · 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersTypical
11.5 yr
Model years 2013–2016 · peer benchmark unavailable.
Identity stabilityStable
20 yr unchanged
Same registration since 2006 — no chameleon / reincarnation signal.
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Verification summary
WILLIAM MANDOLPH (USDOT 1507890) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Aug 20, 2026.
The carrier holds active common for-hire operating authority per FMCSA L&I as of Aug 20, 2026.
It has an active BIPD insurance filing with a $750,000 limit in force from OCCIDENTAL FIRE AND CASUALTY CO. OF N.C. effective Jun 3, 2026 in FMCSA L&I's current snapshot as of Aug 20, 2026.
Its vehicle out-of-service rate was 0.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.
The carrier received 2 roadside inspections in the last 24 months — 1 vehicle-level and 2 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.
It reports 1 power unit and 1 driver in its most recent MCS-150 filing dated Mar 17, 2025.
It has no FMCSA-assigned safety rating in the federal record refreshed Aug 20, 2026.
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Frequently asked
What is WILLIAM MANDOLPH's USDOT number?
WILLIAM MANDOLPH's USDOT number is 1507890, and its motor carrier number is MC-565539.
Is WILLIAM MANDOLPH authorized to operate?
As of Aug 20, 2026, WILLIAM MANDOLPH is active in the FMCSA register with common, contract, broker operating authority on file.
What is WILLIAM MANDOLPH's safety record?
WILLIAM MANDOLPH has a 0.0% vehicle out-of-service rate (national average 22.26%) across 3 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor does not assign this carrier a safety score: 2 federal roadside inspections in the last 24 months. FMCSA itself will not score a carrier's vehicle or driver record on fewer than 5, and neither will we — verify authority, insurance and references directly before tendering.
How big is WILLIAM MANDOLPH's fleet?
WILLIAM MANDOLPH operates 1 power unit and 1 driver per its most recent MCS-150 filing.
Where is WILLIAM MANDOLPH based?
WILLIAM MANDOLPH is based in CHINO HILLS, CA, with roadside inspections recorded across 1 state.
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