ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP
AUTHORIZEDUSDOT
256299
MC Number
1040325
Fleet Size
1239
Total Drivers
1239
FMCSA-derived snapshot updated: October 25, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
Broker verification report
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Safety overview
ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP is a large interstate motor carrier based in CORONA, California, operating 1239 power units with 1239 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 4.5% comes in under the 6.7% national average. They have 19 crashes on file (8 with injuries). FMCSA records show 186 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 9.5% and the average vehicle OOS rate is 23.0% across 325,869 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire, Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
186
Total
51%
Driver %
Insurance on file
Liability (BIPD)
TOKIO MARINE AMERICA INSURANCE COMPANY — eff. Oct 1, 2019
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
19
Total Crashes
Similar carriers in California
Other carriers in the same state with a similar fleet size.
WEDRIVEU INC
WESTERN OILFIELDS SUPPLY CO
C R & R INCORPORATED
CALIFORNIA DEPARTMENT OF TRANSPORTATION
CITY OF SAN DIEGO
Frequently asked questions
Is ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP authorized to operate?
CarrierOwl's FMCSA-derived snapshot for ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP (USDOT #256299) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP's safety record?
ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP has 186 inspections in CarrierOwl's current imported snapshot and 19 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 ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP operate?
ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP operates 1239 power units with 1239 drivers on file. That puts them in the large carrier category by FMCSA standards.
Does ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP transport hazardous materials?
No. ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP does not have a hazardous materials flag in the FMCSA database.
Where is ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP located?
ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP is based in CORONA, California at 200 S MAIN ST #200, 92882. Phone: (951) 685-4600.
What are ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP's out-of-service rates?
ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP's driver out-of-service rate is 4.5%, 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 13.8%, 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.