DP
DIAMOND PLUS TRANSPORTATION INC
CarrierIntel Score: 43/100. 72 inspection violations in the past 12 months. Updated Oct 2026.
DOT 2574313MC 900164ActiveMotor CarrierInterstateSPINNAKER SPECIALTY INSURANCE COMPANY · $750,000 · 1 policyWALNUT, CA
COMPANY
Authority since
2015-02-13
MCS-150
2026-01-30 · 1,866,508 mi (2025)
Fleet
14 units · 28 trailers · 14 drivers
Annual mileage (VMT)
1,866,508 mi (2025)
ADDRESS
Physical
20510 BIND COURT
WALNUT, CA 91789
WALNUT, CA 91789
Mailing
Same as physical
CONTACT
Phone
6268188998
Email
diamondplustrans@gmail.com
OFFICERS
Primary Officer
PEIYU ZHAO
Title
OWNER
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
General Freight
Cargo types
1
General Freight
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
140 mo
Active authority
INSURANCE
1 active
SPINNAKER SPECIALTY INSURANCE COMPANY
RISK GRADE
Elevated Risk
2 risk factors · 2 strengths
OOS RATE
30.0%
30 / 100 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
43
out of 100
Below Average
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Elevated Risk
2 risk factors · 2 strengths · 4 data pointsSAFETY PERFORMANCE
Crash Record
5 crashes · 0 fatal · 2 with injuries · 5 tow-away
Clean Inspection Rate
70% — 70 clean of 100 inspections
Out-of-Service Rate
30.0% — driver OOS 7 insp., vehicle OOS 25 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
15 historical event(s) on file
MCS-150 Filing
Last filed 2026-01-30
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $750,000
SUMMARY
Severe OOS rate 31% (last 24 mo)
2.1 violations per inspection
Low crash rate (3.6 per 100 trucks/yr)
Active insurance on file
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