Updated: Sep 16, 2025
Location and Projects
Address
20350 DOWNING CT, Brookfield, WI, 53005
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Mayer, Karl Plumber
Mayer, Karl, 20350 Downing Ct, Brookfield, WI (Employee: Mayer Karl) holds a Plumber license and 4 other licenses according to the Wisconsin Rapids 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 Mayer, Karl, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mayer, Karl Services
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Mayer, Karl Contact Information
Address: 20350 DOWNING CT, Brookfield, WI 53005
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Bathroom & bar sink in basement
Valuation:
N/A
Permit #:
PP25-0905
Status:
approved
Fee:
$84
Permit Type:
plumbing
Building Type:
N/A
Remodel - bathroom dishwasher disposal 3 sinks 2 water closets and water distribution
Valuation:
N/A
Permit #:
P18-1346
Status:
final
Fee:
$160
Permit Type:
Remodel
Building Type:
N/A
Remodel - bathroom dishwasher disposal hose bib laundry tray site drain and water closet
Valuation:
N/A
Permit #:
P17-1495
Status:
final
Fee:
$130
Permit Type:
Remodel
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mayer, Karl License info
Verified License
| License # | 224011 - PM |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Plumber |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Mayer, Karl at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 224011 |
| Status | Active |
| State | Wisconsin |
| Type | Cross Connection Control Tester |
- When BuildZoom last verified this license, it had an expiration date of January, 0001. Check the current license status of Mayer, Karl with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 224011 |
| Status | Active |
| State | Wisconsin |
| Type | Udc Plumbing Inspector |
- When BuildZoom last verified this license, it had an expiration date of January, 0001. Check the current license status of Mayer, Karl with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 224011 |
| Status | Active |
| State | Wisconsin |
| Type | Plumber |
- BuildZoom has not verified this license since April, 2023.
Verify this license's status for Mayer, Karl 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 # | 224011 |
| Status | Inactive |
| State | Wisconsin |
| Type | Plumber** |
- 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 Mayer, Karl at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Mayer, Karl Employees
MK
Mayer Karl