Updated: Apr 08, 2026
Location
Address
PO BOX 2365, Nantucket, MA, 02554
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William S Cowzer Construction
William S Cowzer, Nantucket, Po Box 2365, Nantucket, MA (Owned by: Rachell Jusino) holds a Building Licenses, Construction Supervisor 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 S Cowzer, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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William S Cowzer Contact Information
Phone Number: (857) 540-3581
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Address: PO BOX 2365, Nantucket, MA 02554
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Verified License
BuildZoom confirmed this contractor's license
William S Cowzer License info
Verified License
| License # | CS-085457 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for William S Cowzer 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 # | 210556 |
| 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 S Cowzer with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 210556 |
| 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 S Cowzer with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 210556 |
| 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 S Cowzer 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 # | CS-085457 |
| Status | Inactive |
| State | Massachusetts |
| Type | Construction Supervisor |
- 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 William S Cowzer at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
William S Cowzer Employees
RJ
Rachell Jusino
Owner
RJ
Rachell L Jusino
Secretary
WC
William S Cowzer
Owner