Updated: Jul 24, 2026
Location and Projects
Headquarters Address
121 LOWELL RD, Windham, NH, 03087
Local address
36 Bancroft ave Unit 1, Milford, MA, 01757
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William A Conaton Construction
William A Conaton, 36 Bancroft Ave, Milford, MA (Owned by: William Conaton) holds a Home Improvement Contractor license and 5 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 Conaton, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William A Conaton Services
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William A Conaton Contact Information
Phone Number: (603) 321-0549
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Headquarters Address: 121 LOWELL RD, Windham, NH, 03087
Local Address: 36 Bancroft ave Unit 1, Milford, MA 01757
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This is a sample of this contractor's permits. Click here to access their complete permit history.
6 x 10 single story addition to right front (roof to incorporate breezeway) open to enlarge & completely remodel kitchen
Valuation:
$26,000
Permit #:
R-13-0366
Status:
issued
Fee:
$360
Permit Type:
Existing building...
Building Type:
N/A
6 x 10 single story addition to right front (roof to incorporate breezeway) open to enlarge & completely remodel kitchen
Valuation:
$26,000
Permit #:
R-13-0366
Status:
issued
Fee:
$360
Permit Type:
Existing building...
Building Type:
N/A
Enclose open deck for mscreen porch
Valuation:
$10,000
Permit #:
R-14-0663
Status:
issued
Fee:
$120
Permit Type:
Alteration(s)
Building Type:
N/A
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Verified License
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William A Conaton License info
Verified License
| License # | 157195 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 09-12-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William A Conaton 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-049000 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for William A Conaton 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 # | 209543 |
| 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 Conaton with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 209543 |
| 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 Conaton with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 209543 |
| 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 William A Conaton at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 106275 |
| 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 William A Conaton at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
William A Conaton Employees
AC
Angel H Roldan Cuzco
Owner
AC
Angel Roldan Cuzco
Owner
WC
William A Conaton
Owner
WC
William Conaton
Owner