KJ AND SONS TRANSPORT LLC

DOT# 4276584 MC# 1661758CARRIER

ACTIVE

Trust Score

86 / 100

B Good

Components

Compliance · 40% 95

Safety · 35% 75

Insurance · 25% 85

Driver OOS rate is 11.2× the national average No active cargo insurance on file

Confidence: high · based on FMCSA safety, insurance & authority data How is this calculated?

Potential Chameleon Carrier

This carrier shares strong identity signals with a carrier that had safety concerns. This is a heuristic flag, not a confirmed finding.

low DOT# 3218139—May be a successor to DOT 3218139 (KAREN DIAZ AND JOHN DIAZ JR, inactive). Linked by: address, officer, phone

Overview

Address

Physical

1335 E ROSEMARY TRL

CASA GRANDE, AZ 85122

View on Google Maps ↗

Mailing

1335 E ROSEMARY TRL

CASA GRANDE, AZ 85122-1158

Contact

Phone: (520) 705-1566

Email: KJSONSTRANSPORTLLC@GMAIL.COM

Company Officers

KAREN DIAZ

Business Info

Fleet

Power Units

Drivers

Equipment Breakdown

Owned Tractors1

Authority

Status: ACTIVE

FMCSA add date: Aug 2, 2024

MCS-150

Last updated: Aug 21, 2025

Mileage: 27,628 (2024)

Operation Classification

AUTHORIZED FOR HIRE

Carrier Operation

Interstate

Related Companies

Company	DOT#	MC#	Location	Status	Linked By
KAREN DIAZ AND JOHN DIAZ JR DBA: KJ & SONS TRANSPORT	3218139	1006546	CASA GRANDE, AZ	INACTIVE	AddressOfficerPhone

Safety

Out-of-Service Rates

Driver3 inspections

66.7%

6.0%

Carrier National avg

Vehicle3 inspections

0.0%

22.6%

Carrier National avg

Hazmat

No hazmat inspections

Crash Summary

Fatal

Injury

Towaway

Total

BASIC Violations

Unsafe Driving1

Driver Fitness0

Hours of Service4

Drug / Alcohol0

Vehicle Maintenance3

Insurance

$750,000

BIPD Coverage

—

Cargo Coverage

1 policy on file1 active

Type	Status	Insurer	Policy #	Coverage	Effective	Expires	Form
BIPD	Active	UNITED FINANCIAL CASUALTY COMPANY	CA865269691	$750,000	Nov 4, 2025	—	91X

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API Reference

curl https://api.dotlookup.dev/v1/carriers/4276584