New: MCS-150 due date calculator

USDOT 2575407Active

So Cal Transporters

Legal name: Derek Slocum

Looks good

No issues found

Based in

Fontana, CA

Power units

1

Drivers

1

Operation

Intrastate

Compliance check

From the FMCSA census and inspection files, checked Oct 15, 2026.

  • USDOT number status

    OK

    Active in the FMCSA census.

  • MCS-150 biennial update

    OK

    Next due Jul 31, 2028. Last filed Jun 4, 2025.

  • Safety rating

    Info

    Not rated. Most carriers are unrated until a compliance review.

  • Out-of-service rate (24 months)

    OK

    Vehicle 0% vs 22.26% national, driver 0% vs 6.67% national, across 2 inspections.

Roadside inspections, last 24 months

TypeInspectionsOut of serviceOOS rateNational avg
Vehicle200%22.26%
Driver200%6.67%

2 inspections and 2 violations since Oct 15, 2024. Last inspection Jul 16, 2026. National averages are FMCSA-published approximations.

Registration details

Legal name
Derek Slocum
DBA
So Cal Transporters
Classification
authorized for hire
CDL drivers
1
MCS-150 last filed
Jun 4, 2025
Reported mileage
21,000 (2024)
Added to FMCSA
Jan 27, 2015
Safety rating
Not rated

Source: FMCSA Motor Carrier Census and Vehicle Inspection File (data.transportation.gov), public records. Contact details are intentionally not shown. MyDotCheck is an independent service and is not affiliated with, endorsed by, or part of the U.S. Department of Transportation or FMCSA. Data comes from public FMCSA datasets and may lag official records by a day or more. Government filings can be made directly with FMCSA at no charge.