License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
TIER 1 ELECTRICAL SERVICES
- License Number
- 927766
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- P O BOX 251 LIVERMORE, CA, 94551 Alameda County
- Phone
- (510) 685 8154
License Dates
Issued
01/22/2009
Expires
03/31/2026
Expired 11 days ago
Reissued
03/12/2024
CSLB Last Updated
01/28/2026
License Classifications
Personnel & Officers
DONOGHUE TROY DANIEL
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100828132
Effective: 03/12/2024
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
Complaints & Disciplinary History
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
Homeowner Resources
Other Licensed C10 in LIVERMORE
RELENTLESS ELECTRIC
License #1080178 · CA
QUALITY ELECTRICAL SOLUTION LLC
License #1083461 · CA
PRESTIGE ELECTRIC
License #1083848 · CA
VERTICAL ELECTRIC INC
License #1084372 · CA
WIRED RIGHT ELECTRIC LLC
License #1109822 · CA