Updated: Nov 18, 2025
Location and Projects
Address
315 W Bosley St, Alpena, MI, 49707
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Karsten, Justin William Construction
Karsten, Justin William, 315 W Bosley St, Alpena, MI holds a Residential Builder Individual license and 2 other licenses according to the Michigan license board.
Their BuildZoom score of 92 ranks in the top 32% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Karsten, Justin William, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Building Permits by Karsten, Justin William
This is a sample of this contractor's permits. Click here to access their complete permit history.
Re-shingle garage replace entry door on garage replace house entry door
Valuation:
$14,100
Permit #:
PB200307
Status:
final
Fee:
$155
Permit Type:
Add/alter/repair
Building Type:
N/A
Construct handicap ramp onto front porch per drawings provided
Valuation:
$9,000
Permit #:
PB210363
Status:
final
Fee:
$140
Permit Type:
Add/alter/repair
Building Type:
N/A
Remove & replace shingles on house
Valuation:
$5,500
Permit #:
PB180296
Status:
final
Fee:
$117
Permit Type:
Add/alter/repair
Building Type:
N/A
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Karsten, Justin William License info
Verified License
| License # | 2101197595 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Karsten, Justin William at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2101197595 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- BuildZoom has not verified this license since May, 2024.
Verify this license's status for Karsten, Justin William at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2101197595 |
| Status | Inactive |
| State | Michigan |
| Type | Builder Individual |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Karsten, Justin William at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.