Updated: Apr 01, 2026
Location and Projects
Address
1498 Mallard Pl, Waconia, MN, 55387
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Rosenau, John C Construction
Rosenau, John C, 1498 Mallard Pl, Waconia, MN holds a Residential Contractors license and 2 other licenses according to the Minnesota license board.
Their BuildZoom score of 93 ranks in the top 27% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Rosenau, John C, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Rosenau, John C Services
Start a project today:
Custom Home Build
New Home Construction
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Roofing
Framing
Wood Fences
Garage Construction
Seismic Retrofit
Sheds and Outhouses
Gutters and Flashing
Skylights
Pole Barn
ADU
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Pool House
Sunrooms and Greenhouses
Other Secondary Structure N...
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Rosenau, John C Contact Information
Phone Number: (612) 327-9996
Address: 1498 Mallard Pl, Waconia, MN 55387
This is a sample of this contractor's permits. Click here to access their complete permit history.
2 new egress windows to be installed 2 separate bedrooms
Valuation:
$1,000
Permit #:
R12-0831RB
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Independent tos
Valuation:
N/A
Permit #:
PRTOS201813294
Status:
expired
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Rosenau, John C License info
Verified License
| License # | QB132020 |
| Status | Active |
| State | Minnesota |
| Type | Residential Contractors |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Rosenau, John C at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | QB132020 |
| Status | Active |
| State | Minnesota |
| Type | Residential Contractors |
- BuildZoom has not verified this license since March, 2025.
Verify this license's status for Rosenau, John C at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QB132020 |
| Status | Inactive |
| State | Minnesota |
| Type | Qualifying Builder |
- According to the Minnesota Department of Labor & Industry, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Rosenau, John C at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Rosenau, John C Employees
RC
Rosenau, John C
Owner