Updated: May 26, 2026
Location
Address
N5176 COUNTY ROAD HH, Mauston, WI, 53948
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Onsager Plumbing
Onsager Plumbing, N5176 County Rd, Mauston, WI (Owned by: Dale L Onsager) holds a Plumber license and 5 other licenses according to the Wisconsin Rapids license board.
Their BuildZoom score of 0 does not rank in the top 50% of Wisconsin contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Onsager Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Onsager Plumbing Services
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Onsager Plumbing Contact Information
Phone Number: (608) 797-1941
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Address: N5176 COUNTY ROAD HH, Mauston, WI 53948
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Verified License
BuildZoom confirmed this contractor's license
Onsager Plumbing License info
Verified License
| License # | 220868 - PM |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Plumber |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Onsager Plumbing at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | BT063300 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Onsager Plumbing at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PM063300 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Onsager Plumbing at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 969373 |
| Status | Inactive |
| State | Wisconsin |
| Type | Hvac Contractor |
- 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 Onsager Plumbing 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 # | 969373 |
| Status | Inactive |
| City | Milwaukee |
| Type | Hvac Contractor |
- According to the City of Milwaukee License Search, 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 Onsager Plumbing at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BF063300 |
| Status | Inactive |
| State | Minnesota |
| Type | Backflow Prevention Rebuilder |
- According to the Minnesota Department of Labor & Industry, 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 Onsager Plumbing at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Onsager Plumbing, click “This is My Business” to update your information.
Onsager Plumbing Employees
DO
Dale L Onsager
Owner
DO
Dale Onsager
OD
Onsager Dale
OL
Onsager, Dale L
Owner