✓ Powered by Official State Licensing Board Data

License is active

Source: Contractors State License Board (CSLB)

Licensed

Current and in good standing

Bonded

$25,000 surety bond

Insured

Workers' comp coverage on file

Clean record

No complaints or disciplinary actions

🛡️

Hiring this contractor?

Get alerts if their license status changes.

🏢

Is this your business?

Claim your profile to manage your listing.

ADVANCED CLASSROOM TECHNOLOGIES

DBA: GUARDIAN HOME SERVICES LLC

License Number
1082148
State
California
Status
active
Business Type
Limited Liability
Address
19007 59TH DR NE ARLINGTON, CA, 98223
Phone
(360) 658 5200

License Dates

Issued

10/07/2021

Expires

10/31/2027

Expires in 19 months

CSLB Last Updated

09/24/2025

License Classifications

C-7 Low Voltage Systems

Personnel & Officers

SHEFFIELD JOHN SHERRILL

LLC Manager

Active

WILLIAMSON JIMMY LEE

Responsible Managing Employee

C-7
Active

Qualifier bond: TRAVELERS CASUALTY AND SURETY COMPANY

Contractor Bond

Bonded

Amount: $25,000

Company: TRAVELERS CASUALTY AND SURETY COMPANY OF AMERICA

Bond #107511571

Effective: 01/01/2023

Workers' Compensation

Has policy

Carrier: SENTINEL INSURANCE COMPANY LTD

Policy #84WECAM4T5U

Effective: 07/31/2025

Expires: 07/31/2026

CSLB designation: Workers' Compensation Insurance

Wage Bond

Amount: $100,000

Company: TRAVELERS CASUALTY AND SURETY COMPANY

Complaints & Disciplinary History

No disciplinary actions on file

This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.

Verify this record on the official state licensing board

View on Contractors State License Board (CSLB) →

Learn how to verify contractor licenses in California

California licensing guide →

Data sourced from official state licensing board records. Always confirm critical information directly with the state board.

Verify Another Contractor