Updated: Jul 17, 2026
Location and Projects
Address
273 MAMANASCO RD, Ridgefield, CT, 06877
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Terrence Hennessy Electrician
Terrence Hennessy, 273 Mamanasco Rd, Ridgefield, CT holds a Electrical Limited Contractor license according to the Connecticut license board.
Their BuildZoom score of 91 ranks in the top 37% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Terrence Hennessy, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Terrence Hennessy Contact Information
Address: 273 MAMANASCO RD, Ridgefield, CT 06877
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install smoke alarms & carbon monoxide detectors
Valuation:
N/A
Permit #:
BLD-2021-02315
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security fire and carbon monoxide system
Valuation:
$3,000
Permit #:
TE-18-1099
Status:
filed
Fee:
$60
Permit Type:
Alarm system
Building Type:
Single family
Security.fire/co sensors
Valuation:
N/A
Permit #:
BLD-2013-77678-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security fire co
Valuation:
N/A
Permit #:
BLD-2014-77928-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security, fire and carbon monoxide system
Valuation:
$3,000
Permit #:
E-18-1099
Status:
complete
Fee:
$61
Permit Type:
Alarm System
Building Type:
Single Family
Security/fire/co
Valuation:
N/A
Permit #:
BLD-2013-77185-05
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security/fire/co
Valuation:
N/A
Permit #:
BLD-2013-77808-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security system fire alarm co sensors
Valuation:
N/A
Permit #:
BLD-2013-76743-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security fire and co sensors
Valuation:
N/A
Permit #:
BLD-2013-76246-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security/fire co alarm system
Valuation:
N/A
Permit #:
BLD-2013-77082-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security/fire/co sensors
Valuation:
N/A
Permit #:
BLD-2013-76172-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of security system/fire system/co sensors
Valuation:
$3,000
Permit #:
101527
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family
Installation of security system/fire system/co sensors
Valuation:
$3,000
Permit #:
E-14-1299
Status:
complete
Fee:
$50
Permit Type:
Alarm System
Building Type:
Single Family
12/01/93- alarm system consisting of 3 smoke sensors 1st floor doors and windows and 2 sirens
Valuation:
$1,400
Permit #:
BLD-1993-52247-06
Status:
final
Fee:
$18
Permit Type:
N/A
Building Type:
N/A
Security fire co
Valuation:
N/A
Permit #:
BLD-2011-73940-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Associated low voltage and or communication
Valuation:
N/A
Permit #:
69464
Status:
complete
Fee:
N/A
Permit Type:
Misc. (electrical)
Building Type:
N/A
Security system fire alarm co sensors
Valuation:
N/A
Permit #:
BLD-2015-80268-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security system fire alarm co sensors
Valuation:
N/A
Permit #:
BLD-2015-80426-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security/smoke detectors/co sensors
Valuation:
N/A
Permit #:
BLD-2014-79402-06
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security/co sensors/fire alarm
Valuation:
N/A
Permit #:
BLD-2014-78323-05
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Terrence Hennessy License info
Verified License
| License # | ELC.0106012-L5 |
| Status | Active |
| State | Connecticut |
| Type | Electrical Limited Contractor |
| Date Issued | 10-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Terrence Hennessy at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
107
Permits
- Building permit records show that Terrence Hennessy has worked on 107 permitted projects.
Terrence Hennessy Employees
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Terrence Hennessy