United Site Services of California Inc (DOT# 1080840) – FMCSA Carrier Profile

DOT# 1080840● Active
Updated monthly · 2026-03-09

This carrier is active with a Satisfactory safety rating.

United Site Services of California Inc is a registered motor carrier with the FMCSA under USDOT number 1080840. The company operates from Westborough, MA and maintains an active operating status with 830 power units and 651 drivers on record.

Safety Rating

FMCSA Safety Rating
Satisfactory
Rated: August 6, 2008

United Site Services of California Inc holds a "Satisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier has been found to comply with federal safety regulations based on the most recent compliance review conducted by FMCSA. View official FMCSA record →

Advertisement

Company Information

Address118 Flanders Rd, Westborough, MA, 01581
Phone(508) 330-6454
Entity TypePrivate Property
OperationInterstate
Power Units830(Large carrier)
Drivers651
MCS-150 FiledMay 28, 2025
Annual Mileage12,029,204 mi (2024)
All carriers in MassachusettsCarriers in Westborough, MA

Inspection Summary

All-time Inspections
All-time
191
Total
38
OOS
6
Driver OOS
32
Vehicle OOS
191 inspections indicates a high-volume, actively operating carrier.
OOS Rate19.90%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 19.9% — approaching the national vehicle OOS average of ~21%.

Crash History

Crash Records
All-time
23
Total
1
Fatal
18
Injuries
0
Tow-Away
23 crashes reported. Review fatal and injury counts carefully alongside fleet size before engaging this carrier.

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
0.0
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.1
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.1
Driver Fitness
Reflects issues with driver qualifications, licenses, and medical certifications.
0.0
Controlled Substances
Captures drug and alcohol violations, including failed or refused tests.
2.7
Vehicle Maintenance
Reflects brake, tire, lighting, and other equipment-related inspection violations.
Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.
Advertisement

Other Carriers in Westborough, MA

More Carriers in Massachusetts

Largest Trucking Companies →Safest Trucking Companies →

Carrier Insight

United Site Services of California Inc is a large motor carrier operating in Massachusetts. With 191 total inspections on record, the carrier has an out-of-service rate of 19.9%, which is below the national average of approximately 21%. 23 crashes have been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

A Satisfactory rating from the FMCSA indicates that United Site Services of California Inc meets federal safety standards based on the most recent compliance review. This is the highest rating a carrier can receive.

The company operates 830 power units and employs 651 drivers. This fleet size places it among the larger carriers in the FMCSA registry.

Frequently Asked Questions

What is USDOT Number 1080840?
USDOT number 1080840 is assigned to United Site Services of California Inc, an active motor carrier registered with the FMCSA, based in Westborough, MA.
What is the safety rating of United Site Services of California Inc?
United Site Services of California Inc has a safety rating of Satisfactory as of August 6, 2008.
How many inspections has United Site Services of California Inc had?
United Site Services of California Inc has recorded 191 total inspections with 38 out-of-service orders, representing an OOS rate of 19.90%.
Where is United Site Services of California Inc located?
United Site Services of California Inc is headquartered at 118 Flanders Rd, Westborough, MA 01581.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 1080840 · Last updated: 2026-03-09. View official FMCSA record →