- Home /
- Search /
- Marlborough
Updated: Apr 13, 2026
Location and Projects
Address
522 Stow Rd, Marlborough, MA, 01752
Use our bidding system to
request a quote
Boston Insulation Group, LLC
Boston Insulation Group, LLC, 522 Stow Rd, Marlborough, MA (Owned by: Denner Gomes) holds a Home Improvement Contractor license and 3 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 Boston Insulation Group, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Boston Insulation Group, LLC Services
Start a project today:
Boston Insulation Group, LLC Contact Information
Phone Number: (617) 378-5950
Edit
Address: 522 Stow Rd, Marlborough, MA 01752
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Boston Insulation Group, LLC Marlborough
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Boston Insulation Group, LLC has a BuildZoom score of 108, which places them above 95% of 139,240 contractors in Massachusetts.
Activity
|
16 projects
|
2025 |
|
22 projects
|
2024 |
|
18 projects
|
2023 |
Our building permit records indicate that Boston Insulation Group, LLC has worked on at least
56.0 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
|
8 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Boston Insulation Group, LLC mostly works on
home addition
projects.
Pricing
|
30 projects
|
< $5k |
|
19 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
The typical size of their permits is approximately $4,470. 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.
Building Permits by Boston Insulation Group, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Air seal attic floor addition 12 inches of open blow cellulose attic floor dense pack attic floor insulate basement rim joist
Valuation:
$3,502
Permit #:
B25-000564
Status:
issued
Fee:
N/A
Permit Type:
Residential other
Building Type:
N/A
Air seal attic floor and addition 6 inches of blow cellulose on top of existing insulation
Valuation:
$6,612
Permit #:
25-90RB
Status:
expired
Fee:
$121
Permit Type:
N/A
Building Type:
N/A
Air seal attic top plates insulate knee wall slopes addition 9 in blow in cellulose
Valuation:
$11,703
Permit #:
25-138RB
Status:
approved
Fee:
$152
Permit Type:
N/A
Building Type:
N/A
Addition insulation on attic floor. blown in insulation exterior walls
Valuation:
$9,673
Permit #:
BLD251270
Status:
issued
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Remove existing fiberglass install new fiberglass r21 addition 2 ridge foam board on crawl space ceiling
Valuation:
N/A
Permit #:
MR-2025-00022
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Exterior door weather stripping kneewall slope and gable
Valuation:
$4,677
Permit #:
25-57RB
Status:
expired
Fee:
$92
Permit Type:
N/A
Building Type:
N/A
Blown-in insulation on exterior walls open blow cellulose on attic floor air sealing
Valuation:
$7,869
Permit #:
BLD202505147
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Addition insulation crawspace ceiling
Valuation:
$5,795
Permit #:
RES-071993-2025
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Blown in insulation exterior walls and insulate attic knee walls. air seal
Valuation:
$12,540
Permit #:
BLD202505146
Status:
issued
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
Attic floor - 10in open blow cellulose
Valuation:
$5,700
Permit #:
R-24-1444
Status:
issued
Fee:
$72
Permit Type:
Weatherization
Building Type:
N/A
Attic floor - 9in open blow cellulose. compliant with 780 cmr and brookline zoning by laws
Valuation:
$2,416
Permit #:
BP-2024-000688
Status:
issued
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Insulation cellulose of single family home; no structural chnages; final inspection required
Valuation:
$3,666
Permit #:
A20221171
Status:
issued
Fee:
$25
Permit Type:
Residence - insul...
Building Type:
N/A
Walls - wood shingle - 4 dense pack cellulose *all work must be in accordance with 780 cmr and brookline zoning by-laws
Valuation:
$4,190
Permit #:
BP-2024-001228
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Air seal in single family house; no structural changes final inspection reguired
Valuation:
$962
Permit #:
A20220067
Status:
issued
Fee:
$25
Permit Type:
Residence - insul...
Building Type:
N/A
Weatherization insulation;no structural changes; final affidavit required
Valuation:
$3,112
Permit #:
A20222278
Status:
issued
Fee:
$25
Permit Type:
Residence - insul...
Building Type:
N/A
Kitchen and bathroom remodel to include new doors and windows
Valuation:
$26,697
Permit #:
202203623
Status:
issued
Fee:
N/A
Permit Type:
(add) - addition ...
Building Type:
111 four to eigh...
Kitchen and bathroom remodel to include new doors and windows
Valuation:
$26,697
Permit #:
202203621
Status:
issued
Fee:
N/A
Permit Type:
(add) - addition ...
Building Type:
111 four to eigh...
Kitchen and bathroom remodel to include new doors and windows
Valuation:
$26,697
Permit #:
202203620
Status:
issued
Fee:
N/A
Permit Type:
(add) - addition ...
Building Type:
111 four to eigh...
Blow in insulation kneewall slope fiberglass batting
Valuation:
$4,577
Permit #:
BLD202503334
Status:
issued
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Demolish existing deck and building a deck same as it was before
Valuation:
$14,900
Permit #:
202204725
Status:
issued
Fee:
N/A
Permit Type:
(add) - addition ...
Building Type:
111 four to eigh...
Similar Contractors
License # 139124
Framingham, MA
110
BZ Score
$5.8K
Avg Project
-
Projects
License # 162729
Tewksbury, MA
110
BZ Score
$3.9K
Avg Project
-
Projects
License # 180506
North Billerica, MA
109
BZ Score
$4.2K
Avg Project
-
Projects
Boston Insulation Group, LLC Reviews
BuildZoom hasn't received any reviews for Boston Insulation Group, LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Boston Insulation Group, LLC License info
Verified License
| License # | 203679 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 11-11-2025 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Boston Insulation Group, LLC at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 108941 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of April, 2023. Check the current license status of Boston Insulation Group, LLC with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 108941 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2023. Check the current license status of Boston Insulation Group, LLC with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F198524-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Boston Insulation Group, LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
103
Permits
- Building permit records show that Boston Insulation Group, LLC has worked on 103 permitted projects.
Boston Insulation Group, LLC Employees
DG
Denner Gomes
Owner