Updated: Nov 25, 2025
Location and Projects
Address
Caledonia, MI, 49316
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Benjamin Robert Koster Plumber
Benjamin Robert Koster, Caledonia, MI holds a Plumbing 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 Benjamin Robert Koster, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Benjamin Robert Koster Contact Information
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Building Permits by Benjamin Robert Koster
This is a sample of this contractor's permits. Click here to access their complete permit history.
Consolidate gas meters and gas pipe to rtu's installed by hvac contractor - extra space storage. pb 43610
Valuation:
N/A
Permit #:
PM2501193
Status:
issued
Fee:
$280
Permit Type:
Mechanical
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Benjamin Robert Koster License info
Verified License
| License # | 8113315 |
| Status | Active |
| State | Michigan |
| Type | Plumbing |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Benjamin Robert Koster 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 # | 8113315 |
| Status | Active |
| State | Michigan |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of April, 2025. Check the current license status of Benjamin Robert Koster with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.