GRANITE ROCK COMPANY
AUTHORIZEDUSDOT
714188
MC Number
207735
Fleet Size
351
Total Drivers
396
FMCSA-derived snapshot updated: August 23, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
GRANITE ROCK COMPANY is a large intrastate only (hazmat) motor carrier based in WATSONVILLE, California, operating 351 power units with 396 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 0.0% comes in under the 6.7% national average. They have 4 crashes on file (2 with injuries). FMCSA records show 131 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 9.3% and the average vehicle OOS rate is 22.8% across 321,883 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Intrastate Only (Hazmat)
- Operation Classification
- Authorized For Hire, Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
131
Total
53%
Driver %
Insurance on file
Liability (BIPD)
AMERICAN CONTRACTORS INS.CO. RISK RETENTION G — eff. Jun 1, 2025
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Source: Legacy FMCSA. Verify current filings directly with FMCSA before relying on them.
Crash history
4
Total Crashes
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Frequently asked questions
Is GRANITE ROCK COMPANY authorized to operate?
CarrierOwl's FMCSA-derived snapshot for GRANITE ROCK COMPANY (USDOT #714188) shows "AUTHORIZED" status. The snapshot lists them as an intrastate only (hazmat) carrier. Verify the current official record with FMCSA before booking a load.
What is GRANITE ROCK COMPANY's safety record?
GRANITE ROCK COMPANY has 131 inspections in CarrierOwl's current imported snapshot and 4 matching crashes. 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 GRANITE ROCK COMPANY operate?
GRANITE ROCK COMPANY operates 351 power units with 396 drivers on file. That puts them in the large carrier category by FMCSA standards.
Does GRANITE ROCK COMPANY transport hazardous materials?
No. GRANITE ROCK COMPANY does not have a hazardous materials flag in the FMCSA database.
Where is GRANITE ROCK COMPANY located?
GRANITE ROCK COMPANY is based in WATSONVILLE, California at 350 TECHNOLOGY DRIVE, 95076. Phone: (831) 768-2000.
What are GRANITE ROCK COMPANY's out-of-service rates?
GRANITE ROCK COMPANY's driver out-of-service rate is 0.0%, 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 12.2%, 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.