Updated: May 21, 2026
Location and Projects
Address
19 Summerhill Road, Billerica, MA, 01821
Use our bidding system to
request a quote
Stephen T. Connolly Electrician
Stephen T. Connolly, 19 Summerhill Rd, Billerica, MA (Owned by: Stephen T Connolly) holds a Electrician license and 2 other licenses according to the Massachusetts license board.
Their BuildZoom score of 108 ranks in the top 5% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Stephen T. Connolly, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Stephen T. Connolly Contact Information
Phone Number: (617) 543-3555
Edit
Address: 19 Summerhill Road, Billerica, MA 01821
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Stephen T. Connolly Billerica
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Stephen T. Connolly has a BuildZoom score of 108, which places them above 95% of 139,240 contractors in Massachusetts.
Activity
|
38 projects
|
2025 |
|
85 projects
|
2024 |
|
144 projects
|
2023 |
Our building permit records indicate that Stephen T. Connolly has worked on at least
267.0 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.
Experience
|
10 projects
|
Home Additions |
|
247 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Stephen T. Connolly mostly works on
electrical project
and home addition
projects.
Pricing
|
105 projects
|
< $5k |
|
39 projects
|
$5k-$20k |
|
45 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $4,050. This graph shows the distribution of these job values.
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.
Install roof top solar photovoltaic system rated @ 4.1kw 10 panels. install 1 tesla powerwall rated @ 13.5kwh on concrete pad. homeowner has existing roof top solar photovoltaic system
Valuation:
$20,000
Permit #:
E-25-0211
Status:
permit cancelled
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
Install roof top solar photovoltaic system rated @ 4.qkw 10 panels. install 1 tesla powerwall rated @ 13.5kwh on concrete slab. homeowner has existing roof top solar system
Valuation:
N/A
Permit #:
E-25-0537
Status:
complete
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Install solar electric panel to the existing roof of a home interconnected with the electrical grid 8.61 kw 21 panels with 1 tesla powerwall (rated at 13.5 kwh total) installed on exterior wall
Valuation:
$28,000
Permit #:
E-25-0799
Status:
issued
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
Install roof top solar photovoltaic system rated @ 7.79kw 19 panels. install 2 tesla powerwalls rated @ 13.5kwh each on exterior
Valuation:
$35,000
Permit #:
E-25-0021
Status:
complete
Fee:
$700
Permit Type:
N/A
Building Type:
N/A
Replacing defective inverter with tesla 7.6 [1538000-45-a] -no changes to tie-in and no changes to stringing -replacing exiting rsd with mcis
Valuation:
$500
Permit #:
EP-2025-0572
Status:
issued
Fee:
$52
Permit Type:
N/A
Building Type:
N/A
Install roof top solar photovoltaic system rated @ 6.97kw 17 panels. install 1 tesla powerwall rated @ 13.5kwh on concrete pad
Valuation:
$27,000
Permit #:
E-25-0059
Status:
complete
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Install roof top solar photovoltaic system rated @ 11.48kw 28 panels. install 2 tesla powerwalls rated @ 13.5kwh each
Valuation:
$49,000
Permit #:
E-25-0035
Status:
complete
Fee:
$1,280
Permit Type:
N/A
Building Type:
N/A
Install 2 tesla powerwalls rated @ 13.5kwh each in existing utility closet. homeowner has existing roof top solar photovoltaic system
Valuation:
N/A
Permit #:
E-25-0757
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Install roof top solar photovoltaic system rated @ 7 38kw 18 panels. install 3 tesla powerwalls rated @ 13.5kwh each on concrete pad
Valuation:
N/A
Permit #:
E-25-0503
Status:
complete
Fee:
$209
Permit Type:
N/A
Building Type:
N/A
Solar + ess. install roof top solar photovoltaic system rated @ 9.6kw 24 panels. install (2) tesla powerwalls rated @ 13.5kwh each (27kwh total) in detached garage. see alt1463632 for garage.;[eplan]
Valuation:
$38,316
Permit #:
ALT1423335
Status:
complete
Fee:
$440
Permit Type:
N/A
Building Type:
1-2fam
Install solar electric panels to the roof of existing home interconnected with the electrical grid 10.53 kw 26 panels with 1 tesla powerwall (rated at 13.5 kwh total) installed on exterior wall
Valuation:
$26,000
Permit #:
E-24-67
Status:
complete
Fee:
N/A
Permit Type:
Solar panel/wind ...
Building Type:
One & two family
Install solar electric panel to the existing roof of a home interconnected with the electrical grid 7.2 kw 18 panels with 1 tesla powerwall (rated at 13.5 kwh total) installed in the residence attached garage
Valuation:
N/A
Permit #:
E-2023-00048
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Check all wiring addition surge protector addition arch fault breakers as needed addition dual breakers as needed
Valuation:
$1,500
Permit #:
ELEC-071500-2025
Status:
final
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Install solar electric panel to the existing roof of a home interconnected with the electrical grid 5.26 kw 13 panels with tesla powerwall (rated at 13.5 kwh total) installed on exterior pad
Valuation:
$23,000
Permit #:
E-24-1055
Status:
issued
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
Install solar electric panel to the existing roof of a home interconnected with the electrical grid 21-6 kw 54 panels with 2 tesla powerwall (rated at 27 kwh total) installed on detached exterior pad
Valuation:
N/A
Permit #:
E-2023-086
Status:
issued
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Install solar electric panel to the existing roof of a home interconnected with the electrical grid 12.4 kw 31 panels with 1 tesla powerwall (rated at 13.5 kwh total) installed in the attached garage
Valuation:
N/A
Permit #:
E-2023-00082
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Install 1 tesla powerwall rated @ 13.5kwh on concrete pad. homeowner has existing roof top solar and ess
Valuation:
N/A
Permit #:
E-25-0376
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Temporarily remove and reinstall existing solar panels for roof work to be completed by a third party contractor. no changes to existing system
Valuation:
$7,000
Permit #:
E-25-0685
Status:
issued
Fee:
$270
Permit Type:
N/A
Building Type:
N/A
Install solar electric panel to the existing roof of a home interconnected with the electrical grid 9.6 kw 24 panels with 2 tesla powerwall (rated at 27 kwh total) installed on exterior
Valuation:
N/A
Permit #:
E-2023-00186
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Install rooftop solar photovoltaic panels rated @ 12.8kw 32 panels. install 2 ess rated @ 13.5kwh each in garage. this is to replace expired permit sf1259535.eplan
Valuation:
$44,153
Permit #:
ALT1407199
Status:
filed
Fee:
$500
Permit Type:
N/A
Building Type:
1-2fam
Similar Contractors See more
133
BZ Score
$4.5K
Avg Project
-
Projects
144
BZ Score
-
Avg Project
-
Projects
135
BZ Score
-
Avg Project
-
Projects
Stephen T. Connolly Reviews
BuildZoom hasn't received any reviews for Stephen T. Connolly. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an electrician in your area today
We'll search our vast network of Electricians and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Stephen T. Connolly License info
Verified License
| License # | 22812 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Stephen T. Connolly at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 211887 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, 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 Stephen T. Connolly at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 39909 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, 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 Stephen T. Connolly at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
947
Permits
- Building permit records show that Stephen T. Connolly has worked on 947 permitted projects.
Stephen T. Connolly Employees
SC
Stephen Connelly
Owner
SC
Stephen T Connolly
Owner