Updated: Dec 02, 2025
Location and Projects
Address
Negaunee, MI, 49866
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Walter F Krahn HVAC/Mechanical Contractor
Walter F Krahn, Negaunee, MI holds a Mechanical Contractor license and 1 other license according to the Michigan 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 Walter F Krahn, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Walter F Krahn Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
7 windows 4 doors no structural changes
Valuation:
N/A
Permit #:
BD1995-4598
Status:
issued
Fee:
$37
Permit Type:
Replace
Building Type:
N/A
1 family houses detatched 101
Valuation:
N/A
Permit #:
P253-NT-27-05
Status:
final
Fee:
$165
Permit Type:
plumbing permit
Building Type:
N/A
1 family houses detatched 101
Valuation:
N/A
Permit #:
P423-NT-39-05
Status:
final
Fee:
$165
Permit Type:
Mechanical permit
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Walter F Krahn License info
Verified License
| License # | 7117181 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Walter F Krahn at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7117181 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of Walter F Krahn with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Walter F Krahn Employees
WK
Walter F Krahn