Updated: May 17, 2026
Location and Projects
Address
31 Salem Street, Methuen, MA, 01844
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William A Colby Construction
William A Colby, 31 Salem St, Methuen, MA (Owned by: Oscar Martinez) holds a Home Improvement Contractor license and 4 other licenses according to the Massachusetts license board.
Their BuildZoom score of 91 ranks in the top 37% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William A Colby, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William A Colby Services
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William A Colby Contact Information
Phone Number: (508) 385-9029
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Address: 31 Salem Street, Methuen, MA 01844
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This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
N/A
Permit #:
08-200
Status:
complete
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
No Description Available
Valuation:
$8,500
Permit #:
11-099x
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
William A Colby License info
Verified License
| License # | 209271 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 07-25-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William A Colby 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 # | 100363 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 09-21-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William A Colby 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 # | CS-004646 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for William A Colby 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 # | 209271 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of William A Colby with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 209271 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of William A Colby with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
William A Colby Employees
OM
Oscar Martinez
Owner
WC
William A Colby
Owner
WC
William Colby
Owner