Updated: Jun 10, 2026
Location and Projects
Address
4718 Maher Ave, Madison, WI, 53562
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Olson, John David Plumber
Olson, John David, 4718 Maher Ave, Madison, WI (Employees: Olson David and Olson John) holds a Dwelling Contractor Qualifier, Regular, False license and 5 other licenses according to the Wisconsin Rapids license board.
Their BuildZoom score of 91 ranks in the top 37% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Olson, John David, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Olson, John David Contact Information
Address: 4718 Maher Ave, Madison, WI 53562
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Gallery/event space with coffee bar
Valuation:
N/A
Permit #:
COM-ALT-20-00106
Status:
complete
Fee:
$6,634
Permit Type:
N/A
Building Type:
N/A
Suite 250 - empower expansion - level 2 alteration
Valuation:
N/A
Permit #:
COM-ALT-20-00336
Status:
complete
Fee:
$671
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Olson, John David License info
Verified License
| License # | 102201165 - DCQ |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Dwelling Contractor Qualifier, Regular, False |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Olson, John David at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 667521 - PJ |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Plumber, Non Visiting |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Olson, John David at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 667521-PJ |
| Status | Active |
| State | Wisconsin |
- BuildZoom has not verified this license since April, 2017.
Verify this license's status for Olson, John David at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 667521 |
| Status | Inactive |
| State | Wisconsin |
| Type | Commercial Plumbing Inspector |
- According to the Wisconsin Department of Safety and Professional Services, 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 Olson, John David at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 667521-PA |
| Status | Inactive |
| State | Wisconsin |
- According to the Wisconsin Department of Safety and Professional Services, 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 Olson, John David at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 667521 |
| Status | Inactive |
| State | Wisconsin |
| Type | Powts Inspector |
- According to the Wisconsin Department of Safety and Professional Services, 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 Olson, John David at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Olson, John David Employees
OD
Olson David
OJ
Olson John