UNITED SITE SERVICES OF CALIFORNIA INC
AUTHORIZEDUSDOT
1080840
MC Number
N/A
Fleet Size
830
Total Drivers
651
Last updated: March 24, 2026
Broker verification report
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Safety overview
UNITED SITE SERVICES OF CALIFORNIA INC is a large interstate motor carrier based in WESTBOROUGH, Massachusetts, operating 830 power units with 651 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 3.6% comes in under the 5.51% national average. They have 24 crashes on file (1 fatal, 13 with injuries). FMCSA records show 193 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 Massachusetts is 13.3% and the average vehicle OOS rate is 27.8% across 37,564 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
193
Total
56%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
24
Total Crashes
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Frequently asked questions
Is UNITED SITE SERVICES OF CALIFORNIA INC authorized to operate?
Yes. UNITED SITE SERVICES OF CALIFORNIA INC (USDOT #1080840) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is UNITED SITE SERVICES OF CALIFORNIA INC's safety record?
UNITED SITE SERVICES OF CALIFORNIA INC has 193 inspections on file and 24 crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does UNITED SITE SERVICES OF CALIFORNIA INC operate?
UNITED SITE SERVICES OF CALIFORNIA INC operates 830 power units with 651 drivers on file. That puts them in the large carrier category by FMCSA standards.
Does UNITED SITE SERVICES OF CALIFORNIA INC transport hazardous materials?
No. UNITED SITE SERVICES OF CALIFORNIA INC does not have a hazardous materials flag in the FMCSA database.
Where is UNITED SITE SERVICES OF CALIFORNIA INC located?
UNITED SITE SERVICES OF CALIFORNIA INC is based in WESTBOROUGH, Massachusetts at 118 FLANDERS RD, 01581. Phone: (508) 330-6454.
What are UNITED SITE SERVICES OF CALIFORNIA INC's out-of-service rates?
UNITED SITE SERVICES OF CALIFORNIA INC's driver out-of-service rate is 3.6%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 16.3% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.