Updated: May 31, 2026
Location and Projects
Address
83 Sunderland rd, Montague, MA, 01351
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William B Klaus Jr Construction
William B Klaus Jr, 83 Sunderland Rd, Montague, MA (Owned by: Joseph Klaus) holds a Home Improvement Contractor license and 4 other licenses according to the Massachusetts license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring William B Klaus Jr, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William B Klaus Jr Services
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William B Klaus Jr Contact Information
Phone Number: (413) 695-7749
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Address: 83 Sunderland rd, Montague, MA 01351
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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 #:
R-12-0826
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Addition 1/2 bathroom on 1st floor
Valuation:
N/A
Permit #:
BP-2007-0316
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
William B Klaus Jr License info
Verified License
| License # | 202511 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 07-09-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William B Klaus Jr 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 # | 225822 |
| 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 B Klaus Jr with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 225822 |
| 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 B Klaus Jr with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CS-012234 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, 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 B Klaus Jr at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BO-1381 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, Building Official Certification, Local Inspector |
- 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 B Klaus Jr at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
William B Klaus Jr Employees
JK
Joseph Klaus
Owner
WJ
William B Klaus Jr
Owner