DIAMOND PLUS TRANSPORTATION INC
AUTHORIZEDUSDOT
2574313
MC Number
900164
Fleet Size
14
Total Drivers
14
Last updated: March 16, 2026
Broker verification report
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Safety overview
DIAMOND PLUS TRANSPORTATION INC is a small interstate motor carrier based in WALNUT, California, operating 14 power units with 14 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. They have 1 crash on file. FMCSA records show 62 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in California is 8.9% and the average vehicle OOS rate is 22.4% across 312,857 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
62
Total
53%
Driver %
Insurance on file
Liability (BIPD)
SPINNAKER SPECIALTY INSURANCE COMPANY — eff. Jan 30, 2026
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Crash history
1
Total Crashes
Similar carriers in California
Other carriers in the same state with a similar fleet size.
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RIVAS BROS TRUCKING INC
Frequently asked questions
Is DIAMOND PLUS TRANSPORTATION INC authorized to operate?
Yes. DIAMOND PLUS TRANSPORTATION INC (USDOT #2574313) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is DIAMOND PLUS TRANSPORTATION INC's safety record?
DIAMOND PLUS TRANSPORTATION INC has 62 inspections on file and 1 crash on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does DIAMOND PLUS TRANSPORTATION INC operate?
DIAMOND PLUS TRANSPORTATION INC operates 14 power units with 14 drivers on file. That makes them a small carrier.
Does DIAMOND PLUS TRANSPORTATION INC transport hazardous materials?
No. DIAMOND PLUS TRANSPORTATION INC does not have a hazardous materials flag in the FMCSA database.
Where is DIAMOND PLUS TRANSPORTATION INC located?
DIAMOND PLUS TRANSPORTATION INC is based in WALNUT, California at 20510 BIND COURT, 91789. Phone: (626) 818-8998.
What are DIAMOND PLUS TRANSPORTATION INC's out-of-service rates?
DIAMOND PLUS TRANSPORTATION INC's driver out-of-service rate is 5.6%, compared to the national average of 5.51%. Their vehicle out-of-service rate is 33.3% (national average: 20.72%). Above average, which may point to vehicle maintenance gaps.