Updated: Jul 09, 2026
Location and Projects
Headquarters Address
8 HIGHLAND DR, Ardsley, NY, 10502
Local address
20 COUNTY RD, Killingworth, CT, 06419
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Timothy O'sullivan Electrician
Timothy O'sullivan, 20 County Rd, Killingworth, CT holds a Electrical Unlimited Contractor license and 1 other license according to the Connecticut license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Timothy O'sullivan, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Timothy O'sullivan Contact Information
Headquarters Address: 8 HIGHLAND DR, Ardsley, NY, 10502
Local Address: 20 COUNTY RD, Killingworth, CT 06419
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Plumbing
Valuation:
$2,100
Permit #:
P-14-18762
Status:
Issued
Fee:
$91
Permit Type:
Residential
Building Type:
Single Family
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Timothy O'sullivan License info
Verified License
| License # | ELC.0203862-E1 |
| Status | Active |
| State | Connecticut |
| Type | Electrical Unlimited Contractor |
| Date Issued | 10-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Timothy O'sullivan at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PLM.0208684-J3 |
| Status | Inactive |
| State | Connecticut |
| Type | Plumbing & Piping Limited Contractor |
- According to the Connecticut Department of Consumer Protection, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Timothy O'sullivan at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Timothy O'sullivan Employees
TO
Timothy O'sullivan