New: MCS-150 due date calculator

USDOT 867239Active

Williamson & Sons Marine Construction INC

Needs attention

1 item to check

Based in

Cape Coral, FL

Power units

42

Drivers

18

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 Sep 30, 2027. Last filed Jun 26, 2025.

  • Safety rating

    Info

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

  • Out-of-service rate (24 months)

    Check

    Vehicle 80% vs 22.26% national, driver 0% vs 6.67% national, across 7 inspections.

Roadside inspections, last 24 months

TypeInspectionsOut of serviceOOS rateNational avg
Vehicle5480%22.26%
Driver700%6.67%

7 inspections and 51 violations since Oct 15, 2024. Last inspection May 28, 2026. National averages are FMCSA-published approximations.

Registration details

Legal name
Williamson & Sons Marine Construction INC
DBA
-
Classification
private property
CDL drivers
18
MCS-150 last filed
Jun 26, 2025
Reported mileage
500,000 (2024)
Added to FMCSA
Mar 28, 2000
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.