HORIZON UNDERGROUND INC
AUTHORIZEDUSDOT
1912671
MC Number
N/A
Fleet Size
33
Total Drivers
40
FMCSA-derived snapshot updated: August 2, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
HORIZON UNDERGROUND INC is a mid-size interstate motor carrier based in NORCO, California, operating 33 power units with 40 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. Their driver out-of-service rate of 11.1% runs above the national average of 6.7%. They have 1 crash on file. FMCSA records show 13 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 9.1% and the average vehicle OOS rate is 22.6% across 319,565 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
13
Total
47%
Driver %
Insurance on file
CarrierOwl's current public FMCSA filing snapshot returned no matching insurance rows. This does not prove that no private coverage exists; verify current requirements and filings directly with FMCSA and the carrier.
Crash history
1
Total Crashes
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Frequently asked questions
Is HORIZON UNDERGROUND INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for HORIZON UNDERGROUND INC (USDOT #1912671) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is HORIZON UNDERGROUND INC's safety record?
HORIZON UNDERGROUND INC has 13 inspections in CarrierOwl's current imported snapshot and 1 matching crash. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does HORIZON UNDERGROUND INC operate?
HORIZON UNDERGROUND INC operates 33 power units with 40 drivers on file. That puts them in the mid-size range.
Does HORIZON UNDERGROUND INC transport hazardous materials?
No. HORIZON UNDERGROUND INC does not have a hazardous materials flag in the FMCSA database.
Where is HORIZON UNDERGROUND INC located?
HORIZON UNDERGROUND INC is based in NORCO, California at 1595 MOUNTAIN AVE, 92860. Phone: (951) 603-0745.
What are HORIZON UNDERGROUND INC's out-of-service rates?
HORIZON UNDERGROUND INC's driver out-of-service rate is 11.1%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 30.0%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.