CarrierScore

UNITED SITE SERVICES OF CALIFORNIA INC

ActiveNot RatedINTERSTATE

Based in WESTBOROUGH, Massachusetts, UNITED SITE SERVICES OF CALIFORNIA INC is a motor carrier registered under USDOT 1080840. Their fleet consists of 830 commercial vehicles staffed by 651 drivers. Their vehicle out-of-service rate of 0.0% is below the national average of 20.7%, suggesting relatively well-maintained equipment. The carrier has only 0% of required liability insurance on file — a coverage gap of $750K. Our composite safety score rates this carrier at 50/100, indicating a mixed safety profile that warrants closer review.

830
Power Units
651
Drivers
1080840
USDOT #
50/100
Safety Score
⚠️

Insurance Coverage Gap

This carrier has $0 in liability insurance on file but $750K is required — a shortfall of $750K (0% of required coverage).

Company Details

Legal Name
UNITED SITE SERVICES OF CALIFORNIA INC
USDOT Number
1080840
Entity Type
CARRIER
Address
118 FLANDERS RD
WESTBOROUGH, MA 01581
Carrier Operation
Interstate
Last MCS-150 Update
May 28, 2025

Inspection Record

TypeTotalOOSRateNat'l Avg
Vehicle100.0%20.7%
Driver100.0%5.5%
Hazmat000.0%4.5%

Crash History

1
Fatal
13
Injury
23
Towaway
24
Total

BASICs Safety Scores

Unsafe Driving0.04%
Crash IndicatorN/A
HOS Compliance0.08%
Vehicle Maintenance2.7%
Controlled Substances0%
Hazmat ComplianceN/A
Driver Fitness0.13%

Higher percentile = worse safety performance. Scores above 75% may trigger FMCSA intervention.

Location

118 FLANDERS RD, WESTBOROUGH, MA 01581

Frequently Asked Questions

What is UNITED SITE SERVICES OF CALIFORNIA INC's USDOT number?
UNITED SITE SERVICES OF CALIFORNIA INC's USDOT number is 1080840. The company is based in WESTBOROUGH, Massachusetts.
Is UNITED SITE SERVICES OF CALIFORNIA INC a safe trucking company?
UNITED SITE SERVICES OF CALIFORNIA INC has not received a formal safety rating from FMCSA. The company has had 1 vehicle inspections with a 0.0% out-of-service rate (national average: 20.7%). They have 24 reportable crashes on record.
How many trucks does UNITED SITE SERVICES OF CALIFORNIA INC have?
UNITED SITE SERVICES OF CALIFORNIA INC operates 830 power units (trucks/commercial vehicles) and employs 651 drivers, according to their latest FMCSA filing.

Source: FMCSA Safety and Fitness Electronic Records (SAFER) System