Updated: Jul 26, 2026
Location and Projects
Address
247 W ROCKS RD, Norwalk, CT, 06850
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Grady Duncan Electrician
Grady Duncan, 247 W Rocks Rd, Norwalk, CT holds a Electrical Limited Contractor 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 Grady Duncan, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Grady Duncan Contact Information
Address: 247 W ROCKS RD, Norwalk, CT 06850
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Grady Duncan Norwalk
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Grady Duncan has a BuildZoom score of 90, which places them above 47% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Grady Duncan has worked on at least
4.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$500k-$1mil |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior renovations for closet to master bedroom and extend over current dining extend master bedroom closets with overhang over portion of garage addition overhang over garage door new kitchen and baths new windows
Valuation:
$250,000
Permit #:
BLD-2024-02686
Status:
issued
Fee:
$2,565
Permit Type:
N/A
Building Type:
N/A
Renovate bathrooms and laundry room extend 2nd floor dormer of hall bathroom misc. interior renovation
Valuation:
$725,000
Permit #:
BLD-2023-00291
Status:
complete
Fee:
$7,439
Permit Type:
N/A
Building Type:
N/A
Burglar alarm fire alarm carbon monoxide detection
Valuation:
N/A
Permit #:
BLD-2025-00289
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Additions to burglar alarm and fire alarm
Valuation:
N/A
Permit #:
BLD-2023-00295
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Burglar and fire alarm
Valuation:
N/A
Permit #:
BLD-2023-00986
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of smoke/heat detector's carbon monoxide detector's and gas detector's
Valuation:
$6,500
Permit #:
FA-16-8
Status:
complete
Fee:
$93
Permit Type:
Fire alarm
Building Type:
Single family
Upgrade of existing burgular alarm system
Valuation:
$5,000
Permit #:
E-17-484
Status:
complete
Fee:
$83
Permit Type:
Alarm System
Building Type:
Restaurant
Prewire for the addition of 3 smoke detector's 3 horn/strobe 1 pull station 3 door contacts and 2 motion detector's
Valuation:
N/A
Permit #:
E-13-1875
Status:
issued
Fee:
N/A
Permit Type:
Alarm system
Building Type:
Restaurant
Installation of 1 touchpad 1 motion 2 carbon monoxide detector's and 1 gas detector
Valuation:
$1,100
Permit #:
E-15-205
Status:
issued
Fee:
$50
Permit Type:
Alarm System
Building Type:
Single Family
Upgrade of existing fire alarm
Valuation:
$2,500
Permit #:
FA-17-17
Status:
complete
Fee:
N/A
Permit Type:
Fire alarm
Building Type:
Restaurant
Keypads motion detectors door contacts window contacts sirens smoke det's heat detectors gas det's low temp carbon monxide
Valuation:
$1,500
Permit #:
E-2012-0699
Status:
complete
Fee:
$50
Permit Type:
434 additions and...
Building Type:
Single family house
No Description Available
Valuation:
$500,000
Permit #:
11-767/000 000 ELVC 00
Status:
C.O. ISSUED
Fee:
$5,300
Permit Type:
Ele commercial lo...
Building Type:
N/A
Burglar, fire alarm
Valuation:
$200,000
Permit #:
11-356/000 000 ELVR 00
Status:
PERMIT PRINTED
Fee:
$2,225
Permit Type:
Ele residence low...
Building Type:
N/A
Security & fire systeem smoke detector heat sensors motion detectors sirens control stations
Valuation:
$1,200
Permit #:
E-2003-1814
Status:
complete
Fee:
$25
Permit Type:
434 additions to ...
Building Type:
N/A
Control stations door contacts window contacts smoke detectors heat detectors motion detectors
Valuation:
$2,800
Permit #:
E-2009-1477
Status:
complete
Fee:
$50
Permit Type:
434 additions and...
Building Type:
Single family house
Smke detectors heat sensors motion detectors door contacts sirens keypads cable speakers
Valuation:
$1,800
Permit #:
E-2010-0730
Status:
complete
Fee:
$50
Permit Type:
434 alterations t...
Building Type:
Single family house
Second floor addition and renovate first floor to one family. alarm system
Valuation:
$1,350
Permit #:
E-2003-1000
Status:
complete
Fee:
$25
Permit Type:
Single family
Building Type:
N/A
Securitiy and fire system with low temperature minitors and c/o detectors
Valuation:
$2,800
Permit #:
E-2007-1853
Status:
complete
Fee:
$50
Permit Type:
434 additions and...
Building Type:
Single family house
No Description Available
Valuation:
$200,000
Permit #:
10-82/000 000 ELVR 00
Status:
C.O. ISSUED
Fee:
$2,225
Permit Type:
Ele residence low...
Building Type:
N/A
No Description Available
Valuation:
$700,000
Permit #:
10-81/000 000 ELVR 00
Status:
C.O. ISSUED
Fee:
$8,287
Permit Type:
Ele residence low...
Building Type:
N/A
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Grady Duncan License info
Verified License
| License # | ELC.0187093-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 Grady Duncan at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
35
Permits
- Building permit records show that Grady Duncan has worked on 35 permitted projects.
Grady Duncan Employees
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Grady Duncan