Updated: Mar 24, 2026
Location and Projects
Address
Marlborough, MA, 01752
Use our bidding system to
request a quote
Sis Electrician
Sis Inc, Marlborough, MA (Owned by: Dennis J. Maroneyjr.) holds a Electrician license and 1 other license according to the Massachusetts license board.
Their BuildZoom score of 0 does not rank in the top 50% of Massachusetts contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sis Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Sis Inc Contact Information
Phone Number: (781) 727-3855
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Sis Inc Marlborough
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Sis Inc, click “This is My Business” to update your information.
Activity
|
9 projects
|
2025 |
|
8 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Sis Inc has worked on at least
22.0 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
|
20 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Sis Inc mostly works on
electrical project
projects.
Pricing
|
7 projects
|
< $5k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $1,350. 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.
Air handler replacement inside unit mechanical room condenser replacement roof
Valuation:
$1,500
Permit #:
EP-2025-000684
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-2025-00456
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-2025-00354
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-2025-00260
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-2025-00198
Status:
complete
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-2025-00022
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Junction box for power company. they had free air splices in vault and want j box in order to pull shorted wires out on their end and re pull their new #4 in
Valuation:
$1,000
Permit #:
E981152
Status:
complete
Fee:
$30
Permit Type:
N/A
Building Type:
Multi
Handcap bathroom outside plug and switch and light
Valuation:
$1,500
Permit #:
E-24-13
Status:
complete
Fee:
N/A
Permit Type:
Additions/alterat...
Building Type:
One & two family
Unit three kitchen and bathroom remodel and some recessed lights in the dining area relocate sub panel to left wall bedroom reconfigs
Valuation:
$6,000
Permit #:
E948846
Status:
complete
Fee:
$74
Permit Type:
N/A
Building Type:
Multi
No heat. disconnect and reconnect boiler
Valuation:
$500
Permit #:
EP-2024-000359
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Kitchen bathroom wall remodel
Valuation:
$4,500
Permit #:
E1295815
Status:
complete
Fee:
$48
Permit Type:
N/A
Building Type:
1-3fam
Unit 1 remodel 1 bedroom bathroom kitchen and living
Valuation:
$9,000
Permit #:
E1137322
Status:
filed
Fee:
$107
Permit Type:
N/A
Building Type:
Multi
2 furnace replacements new box switch and tamper gfi
Valuation:
$800
Permit #:
EP-2023-001380
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$500
Permit #:
EP-2023-61
Status:
issued
Fee:
$70
Permit Type:
New structure
Building Type:
N/A
No Description Available
Valuation:
$90,000
Permit #:
EP-2023-289
Status:
issued
Fee:
$930
Permit Type:
New structure
Building Type:
N/A
Kitchen and house remodel 2 prong to 3 prong lts and smokes
Valuation:
N/A
Permit #:
E-20-45
Status:
complete
Fee:
$25
Permit Type:
Addition alterati...
Building Type:
Single family
Mini split heat pump for ducted system
Valuation:
$1,500
Permit #:
E1527520
Status:
filed
Fee:
$40
Permit Type:
N/A
Building Type:
1-2fam
Wire new single family house ua# 2403639
Valuation:
$17,000
Permit #:
20060697
Status:
complete
Fee:
$340
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$38,000
Permit #:
EP-2021-109
Status:
issued
Fee:
$410
Permit Type:
New structure
Building Type:
N/A
Master bathroom reg bathroom remodel
Valuation:
$5,200
Permit #:
E-20-0149
Status:
final
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
133
BZ Score
$4.5K
Avg Project
-
Projects
144
BZ Score
-
Avg Project
-
Projects
135
BZ Score
-
Avg Project
-
Projects
License # 9107
Marlborough, MA
90
BZ Score
-
Avg Project
-
Projects
License # 9265
Marlborough, MA
90
BZ Score
-
Avg Project
-
Projects
License # 9220
Marlborough, MA
90
BZ Score
-
Avg Project
-
Projects
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
Sis Inc License info
Verified License
| License # | 17391 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Sis Inc 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 # | 18180 |
| Status | Inactive |
| State | Massachusetts |
| Type | Electrician |
- According to the Commonwealth of Massachusetts E-Licensing Board, 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 Sis Inc at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Sis Inc, click “This is My Business” to update your information.
121
Permits
- Building permit records show that Sis Inc has worked on 121 permitted projects.
Sis Inc Employees
DJ
Dennis J Maroney Jr
Owner
DM
Dennis J. Maroneyjr.
Owner
LC
Lawrence J Colton
Owner
LC
Lawrence J. Colton
If you want a Quality, Dependable, Reasonable Electrician look no further than SIS Inc (Dennis Maroney). It's rare to find a Trades Person that returns calls in a timely fashion and is on time with quality work but Dennis provides it all.
Brent Onufrak