Updated: May 25, 2026
Location and Projects
Address
41 THISTLE AVE., Milton, MA, 02186
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Colm Flaherty Construction
Colm Flaherty, 41 Thistle Ave, Milton, MA (Employee: Colm O Flaherty) holds a Building Licenses, Construction Supervisor Specialty license and 6 other licenses according to the Massachusetts license board.
Their BuildZoom score of 93 ranks in the top 27% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Colm Flaherty, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Colm Flaherty Services
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Colm Flaherty Contact Information
Phone Number: (617) 696-3214
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Address: 41 THISTLE AVE., Milton, MA 02186
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Colm Flaherty Milton
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Colm Flaherty has a BuildZoom score of 93, which places them above 73% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Colm Flaherty has worked on at least
1.0 project 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.
Pricing
|
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.
Keep the current frame of the deck remove old stairs and install new stairs and landing. dig new holes for landing and stairs. addition new railings to deck and stairs. per drawing
Valuation:
$28,000
Permit #:
RSP-22-0502
Status:
final
Fee:
$336
Permit Type:
N/A
Building Type:
N/A
Remove and replace existing 3 season porch from front of house hip roof to remain
Valuation:
$13,400
Permit #:
R-20-1277
Status:
final
Fee:
$168
Permit Type:
Deck demolition
Building Type:
N/A
Remodling kitchen on garden level
Valuation:
$25,000
Permit #:
SF954200
Status:
filed
Fee:
$270
Permit Type:
N/A
Building Type:
Multi
Go over main roof with 18 sq new certainteed architectural shingle. install 24 sq of new vinyl siding market square brand shingle. install new gutters and new downspout. no structural changes
Valuation:
$17,000
Permit #:
R-15-0214
Status:
final
Fee:
$204
Permit Type:
Roof siding
Building Type:
N/A
I'll be knocking down full decks and digging footing for the new deck that i will building
Valuation:
$10,000
Permit #:
SF689376
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
1-2fam
Remove old deck replace same size deck with pressure trated wood. dig new footing
Valuation:
$12,000
Permit #:
SF706451
Status:
complete
Fee:
$140
Permit Type:
N/A
Building Type:
1-2fam
Remodeling basement to include a playroom laundry room. installing two basement windows and a new exterior door
Valuation:
$18,000
Permit #:
R-20-0804
Status:
final
Fee:
$156
Permit Type:
Basement remodel
Building Type:
N/A
Remodel bathroom and kitchen
Valuation:
$7,900
Permit #:
R-23-0084
Status:
final
Fee:
$96
Permit Type:
N/A
Building Type:
N/A
Remodle kitchen
Valuation:
$16,000
Permit #:
SF651022
Status:
complete
Fee:
$180
Permit Type:
N/A
Building Type:
1-2fam
Remove siding and windows and front and back door replace new siding new windows front and back doors
Valuation:
$35,000
Permit #:
20401
Status:
active
Fee:
$420
Permit Type:
Roofing siding ...
Building Type:
Multi-family 6+
New roof 20 sq woodscape architectural --facia and gutters some siding removed and new siding installed
Valuation:
N/A
Permit #:
R-10-0364
Status:
issued
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Install 14 square of vinyl siding
Valuation:
N/A
Permit #:
R-12-0193
Status:
final
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
New roof 20 sq woodscape architectural --facia and gutters some siding removed and new siding installed
Valuation:
N/A
Permit #:
R-10-0364
Status:
issued
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
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Colm Flaherty Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Colm Flaherty License info
Verified License
| License # | CSSL-100145 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor Specialty |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Colm Flaherty at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CSSL-100145 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Cssl Rf Roofing |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Colm Flaherty at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 181230 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Colm Flaherty at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CSSL-100145 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Cssl Ws Windows And Siding |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Colm Flaherty at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 104443 |
| Status | Active |
| City | Newton |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Colm Flaherty with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 104443 |
| Status | Active |
| City | Newton |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Colm Flaherty with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 129738 |
| 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 Colm Flaherty at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
11
Permits
- Building permit records show that Colm Flaherty has worked on 11 permitted projects.
Colm Flaherty Employees
CF
Colm Flaherty
Owner
CF
Colm O Flaherty
Owner