Updated: Jul 15, 2026
Location and Projects
Address
97 GROVE RD, North Haven, CT, 06473
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John A Heffernan Electrician
John A Heffernan, 97 Grove Rd, North Haven, CT (Employee: John Heffernan) holds a Electrical Unlimited 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 John A Heffernan, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John A Heffernan Contact Information
Address: 97 GROVE RD, North Haven, CT 06473
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John A Heffernan North Haven
Quality
91
63rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John A Heffernan has a BuildZoom score of 91, which places them above 63% of 12,093 contractors in Connecticut.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that John A Heffernan has worked on at least
2.0 projects over the past year.
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
|
< $5k |
|
1 project
|
$5k-$20k |
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.
Remove the old roof and install a new one. install ice water
Valuation:
$9,000
Permit #:
B-25-01666
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wiring for kitchen and (2) bathroom remodeling
Valuation:
$4,000
Permit #:
17712
Status:
complete
Fee:
N/A
Permit Type:
Wiring
Building Type:
Single family
Wiring for renovations/addition. 3 plugs 3 recess lights and 1 switch
Valuation:
$1,000
Permit #:
14768
Status:
issued
Fee:
N/A
Permit Type:
Wiring
Building Type:
Single family
Wiring for bathroom renovations
Valuation:
$2,000
Permit #:
12580
Status:
complete
Fee:
N/A
Permit Type:
Wiring
Building Type:
Single family
Install 600 amp panel fed from existing service to feed 12 pieces of printing equipment moved from existing location.joseph merritt co moving to this location – first floor2/26 install cat-6 cable for 5 office locations and 8 locations for equipment. labor & material $2, 000 (increased project cost to 32, 000)
Valuation:
$32,000
Permit #:
9663
Status:
issued
Fee:
N/A
Permit Type:
Electrical: comme...
Building Type:
Commercial
Wire 3 condensers for split system install 6 recessed lights repair kitchen plugs install 2 plugs for tu's change 3 kitchen lights. j turcio
Valuation:
$2,000
Permit #:
E-17-784
Status:
complete
Fee:
$80
Permit Type:
Electrical
Building Type:
N/A
Wiring for new bathroom. baseboard heat. upgrade electrical 3 rooms - g bennett inspector: g bennett 203-946-2826 no contact number given for the contractor
Valuation:
$2,000
Permit #:
E-16-1358
Status:
complete
Fee:
$80
Permit Type:
Electrical service
Building Type:
Two family
Replace all wiring damaged from fire - rewire 2nd floor bathroom rd install battery smoke co detectors. work on second floor only. all other work requires additional permits. s reed contractor: 203-859-2770
Valuation:
$1,000
Permit #:
E-14-510
Status:
complete
Fee:
$50
Permit Type:
Electrical
Building Type:
Two family
Relocate washer and dryer power to new wall. addition lighting to closet and laundry room
Valuation:
$900
Permit #:
E-20-44
Status:
issued
Fee:
$20
Permit Type:
Electrical - resi...
Building Type:
Single family
Convert 2-3 family; wire 3rd fl. to code & install meter; hall wiring for house meter. insp: s reed 203-946-7594 cert of app: n/a contractor: 203-859-2770
Valuation:
$6,000
Permit #:
E-14-1014
Status:
complete
Fee:
$186
Permit Type:
Electrical
Building Type:
Multi family
Recognize conversion of two (2) 1st floor aparments into one (1) change panel feeds to one (1) meter install new lighting and rewire kitchen. d caplan company name & #: john heffernan electric (203) 859-2770
Valuation:
$2,000
Permit #:
E-11-76
Status:
issued
Fee:
$77
Permit Type:
Electrical
Building Type:
N/A
Install 400 amp service with 5 apartment. panels & 1 owners panel/install additional outlets lighting fixtures & smoke detectors in apts./install owners lighting circuits emergency lights & smoke detectors
Valuation:
$12,000
Permit #:
E-2000-0410
Status:
approved
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Service upgrade to 200a., kitchen area renovations, per code.
Valuation:
$3,000
Permit #:
E-17-435
Status:
complete
Fee:
$53
Permit Type:
Electrical
Building Type:
Residential Improved
Lighting for a remodel of kitchen dining and living rooms
Valuation:
$2,500
Permit #:
E-16-977
Status:
issued
Fee:
$39
Permit Type:
Electrical - resi...
Building Type:
Townhouse
No Description Available
Valuation:
$100
Permit #:
E-15-38
Status:
complete
Fee:
$35
Permit Type:
Commercial apts ...
Building Type:
Res-multi 5+ units
Service and wiring for kitchen per code and drawings. change existing 100 amp to 200 amp overhead
Valuation:
$3,800
Permit #:
10831
Status:
complete
Fee:
N/A
Permit Type:
Service
Building Type:
Single family
Change existing 100amp service to 400amp with 70amp feeds
Valuation:
$18,000
Permit #:
20141779
Status:
I
Fee:
N/A
Permit Type:
Residential elect...
Building Type:
N/A
Terminate apartment panels and complete house meter wiring to existing service. credit from this permit in amount of $30 to be applied to future permits. d caplan contractor: john heffernan electric (203) 859-2770
Valuation:
$2,000
Permit #:
E-11-661
Status:
issued
Fee:
$77
Permit Type:
Electrical
Building Type:
Two family
20161426-e000
Valuation:
N/A
Permit #:
MISC-ELC-16-148795
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Service and wiring for family room and garage. relocate existing 200 amp service
Valuation:
$4,000
Permit #:
8854
Status:
complete
Fee:
N/A
Permit Type:
Service
Building Type:
Single family
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John A Heffernan License info
Verified License
| License # | ELC.0103260-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 John A Heffernan at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
49
Permits
- Building permit records show that John A Heffernan has worked on 49 permitted projects.
John A Heffernan Employees
JH
John Heffernan