Updated: Jun 14, 2026
Location and Projects
Address
22A Pratts Junction Rd, Sterling, MA, 01564
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Niall Rowen Construction
Niall Rowen, 22 A Pratts Junction Rd, Sterling, MA holds a Home Improvement Contractor license and 4 other licenses according to the Massachusetts license board.
Their BuildZoom score of 106 ranks in the top 7% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Niall Rowen, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Niall Rowen Services
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Niall Rowen Contact Information
Phone Number: (978) 503-4868
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Address: 22A Pratts Junction Rd, Sterling, MA 01564
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Niall Rowen Sterling
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Niall Rowen has a BuildZoom score of 106, which places them above 93% of 139,240 contractors in Massachusetts.
Activity
|
7 projects
|
2025 |
|
26 projects
|
2024 |
|
16 projects
|
2023 |
Our building permit records indicate that Niall Rowen has worked on at least
49.0 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
|
4 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Niall Rowen mostly works on
home addition
projects.
Pricing
|
12 projects
|
< $5k |
|
37 projects
|
$5k-$20k |
The typical size of their permits is approximately $5,772. 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.
Blow cellulose insulation to attic floor. dense pack exterior walls
Valuation:
$12,331
Permit #:
R-25-0056
Status:
issued
Fee:
$78
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose insulation to attic floor. dense pack exterior walls
Valuation:
$12,331
Permit #:
R-25-0056
Status:
issued
Fee:
$78
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose insulation to attic floor. dense pack exterior walls
Valuation:
$10,780
Permit #:
R-25-0057
Status:
issued
Fee:
$105
Permit Type:
Weatherization
Building Type:
N/A
1 fam- weatherization and air sealing
Valuation:
$8,804
Permit #:
25B1-2FAM-01429AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
One family
1 fam- weatherization and air sealing
Valuation:
$11,084
Permit #:
25B1-2FAM-01348AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
One family
Air seal attic and blow cellulose to attic floor 144 sq ft. insulate basement rim joist 112 sq ft
Valuation:
$1,724
Permit #:
R-23-0086
Status:
issued
Fee:
$35
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose insulation to attic floor 1531 sq ft
Valuation:
$12,621
Permit #:
R-24-0152
Status:
issued
Fee:
$60
Permit Type:
Weatherization
Building Type:
N/A
Densepack exterior walls cellulose insulate crawl space with foam board blow cellulose to attic floor
Valuation:
$8,456
Permit #:
R-24-0082
Status:
issued
Fee:
$95
Permit Type:
Weatherization
Building Type:
N/A
Dense pack cellulose insulation to exterior walls
Valuation:
$5,808
Permit #:
R-24-0101
Status:
issued
Fee:
$80
Permit Type:
Weatherization
Building Type:
N/A
Air seal and blow cellulose insulation to attic floor 507 sq ft. r13 fiberglass and 2 foamboard to attic common wall 200 sq ft
Valuation:
$4,953
Permit #:
R-23-0673
Status:
complete
Fee:
$50
Permit Type:
Weatherization
Building Type:
N/A
Air seal and blow cellulose insulation to attic floor 507 sq ft. r13 fiberglass and 2 foamboard to attic common wall 200 sq ft
Valuation:
$4,953
Permit #:
R-23-0673
Status:
complete
Fee:
$50
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose insulation under attic floor 1672 sq ft blow cellulose insulation in exterior walls 2 492 sq ft
Valuation:
$19,898
Permit #:
R-23-0336
Status:
issued
Fee:
$105
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose insulation to attic floor 286 sq ft. densepack exterior walls 484 sq ft
Valuation:
$5,089
Permit #:
R-24-0111
Status:
issued
Fee:
$100
Permit Type:
Weatherization
Building Type:
N/A
Air sealing blown in cellulose; attic knee wall rigid air sealing in knee wall and attic
Valuation:
$6,632
Permit #:
22030078
Status:
filed
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Install foam board to basement sills
Valuation:
$1,053
Permit #:
R-24-0130
Status:
issued
Fee:
$80
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose to attic floor dense pack exterior walls
Valuation:
$9,915
Permit #:
R-25-0187
Status:
issued
Fee:
$105
Permit Type:
Weatherization
Building Type:
N/A
Polyiso and fiberglass ceiling transition air sealing dense pack walls
Valuation:
$7,295
Permit #:
395
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
Residential
Blow cellulose insulation to attic floor 1096 sq ft. dense pack exterior walls 1263 sq ft
Valuation:
$12,985
Permit #:
R-23-0216
Status:
issued
Fee:
$115
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose insulation to attic floor. dense pack exterior walls
Valuation:
$5,923
Permit #:
R-24-0313
Status:
issued
Fee:
$50
Permit Type:
Weatherization
Building Type:
N/A
Blow cellulose insulation to attic floor 1 080 sq ft
Valuation:
$5,043
Permit #:
R-24-0060
Status:
issued
Fee:
$50
Permit Type:
Weatherization
Building Type:
N/A
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Niall Rowen Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Niall Rowen License info
Verified License
| License # | 206794 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Niall Rowen 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 # | 106107 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of June, 2022. Check the current license status of Niall Rowen with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 106107 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of June, 2022. Check the current license status of Niall Rowen with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CSSL-106107 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, Cssl Ic Insulation Contractor |
- According to the Massachusetts Department of Public Safety, 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 Niall Rowen at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CSSL-106107 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor Specialty |
- According to the Massachusetts Department of Public Safety, 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 Niall Rowen at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
89
Permits
- Building permit records show that Niall Rowen has worked on 89 permitted projects.
Niall Rowen Employees
NR
Niall Rowen
Owner