DIAMOND PLUS TRANSPORTATION INC
USDOT 2574313
Active, interstate carrier, small fleet (14 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate33.8% vs 19.1% national avg
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 2574313 |
|---|---|
| MC Number | MC-900164 |
| Legal Name | DIAMOND PLUS TRANSPORTATION INC |
| DBA Name | — |
| Entity Type | — |
| Phone | 6268188998 |
| Address | 20510 BIND COURT, Walnut, CA, 91789 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 78 / 100 |
|---|---|
| Hours-of-Service Compliance | 89 / 100 |
| Driver Fitness | 87 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 80 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 65 |
|---|---|
| Out-of-Service Rate | 33.8% vs 19.1% national average |
- 2024-03-09 — OK — towaway
- 2023-07-28 — AZ — 1 injured, towaway
Most frequent violation categories: 16 (32), 15 (13), 7 (13).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 14 |
|---|---|
| Drivers | 14 |
| Recent Annual Mileage | 1,866,508 |
| Last MCS-150 Filing | 30-JAN-26 |
DIAMOND PLUS TRANSPORTATION INC operates 14 power units — a larger fleet than 97% of carriers registered in CA.
Nearby
Other carriers in Walnut, CA
- PACIFIC CHARTER INC — USDOT 2296582, 58 power units
- SOUTHCOAST CABINET INC — USDOT 2622039, 13 power units
- OWOSEN MOTORSPORTS GROUP INC — USDOT 2250506, 10 power units
- LT TRUCKING INC — USDOT 2550997, 8 power units
- MAGICIAN TRANS — USDOT 2149145, 7 power units
Browse all carriers in Walnut, CA or all CA carriers.