CASTLE ROCK BUILDER
AUTHORIZEDUSDOT
1164429
MC Number
N/A
Fleet Size
1
Total Drivers
1
Last updated: March 16, 2026
Safety overview
CASTLE ROCK BUILDER is a small interstate motor carrier based in ONALASKA, Wisconsin, operating 1 power unit with 1 drivers. All 5 BASIC scores sit well below FMCSA intervention thresholds, which is a good sign for anyone vetting this carrier. No crashes on file.
BASIC scores
SMS PercentilesHigher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
What are BASIC scores?
FMCSA tracks carrier performance through its Safety Measurement System (SMS), which scores carriers across six categories called BASICs. Each score is a percentile from 0 to 100, based on inspection and crash data from the past 24 months.
A score of 65 means the carrier performed worse than 65% of its peers. Anything above 75% can trigger FMCSA alerts or investigations. Brokers vetting new carriers should pay attention to scores above 50%.
- Unsafe driving
- Speeding, reckless driving, improper lane changes, seatbelt violations. All based on what officers find during roadside inspections.
- HOS / Fatigue
- Hours-of-service violations, logbook problems, driving past the allowed limits. Fatigued driving is one of the top causes of truck crashes in the US.
- Driver fitness
- Licensing problems, expired medical certificates, and other driver qualification issues.
- Controlled substances
- Drug and alcohol testing violations, possession, or impairment.
- Vehicle maintenance
- Brake problems, tire issues, lighting defects, load securement failures. Caught during the vehicle portion of roadside inspections.
- Crash indicator
- Based on crash history from state-reported data. Higher percentile means more crashes relative to the carrier's size and mileage.
Inspections
0
Total
—
Driver %
Crash history
0
Total Crashes
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Frequently asked questions
Is CASTLE ROCK BUILDER authorized to operate?
Yes. CASTLE ROCK BUILDER (USDOT #1164429) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is CASTLE ROCK BUILDER's safety record?
Based on FMCSA data, CASTLE ROCK BUILDER has no BASIC scores above the 75th percentile intervention threshold. They haven't received a formal FMCSA safety rating. No crashes on record.
How many trucks does CASTLE ROCK BUILDER operate?
CASTLE ROCK BUILDER operates 1 power unit with 1 driver on file. That makes them a small carrier.
Does CASTLE ROCK BUILDER transport hazardous materials?
No. CASTLE ROCK BUILDER does not have a hazardous materials flag in the FMCSA database.
Where is CASTLE ROCK BUILDER located?
CASTLE ROCK BUILDER is based in ONALASKA, Wisconsin at N5841 LAKE PARK DRIVE, 54650. Phone: (608) 304-1978.