Updated: Nov 25, 2025
Location and Projects
Address
Caledonia, MI, 49316
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Robert D Koster Plumber
Robert D Koster, Caledonia, MI holds a Plumbing license and 5 other licenses 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 Robert D Koster, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Robert D Koster Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Plumbing
Valuation:
$0
Permit #:
P336165
Status:
WEBVOID
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Plumbing
Valuation:
$0
Permit #:
P336166
Status:
WEBVOID
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Plumbing
Valuation:
$0
Permit #:
P336167
Status:
WEBVOID
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Plumbing
Valuation:
$0
Permit #:
P336168
Status:
WEBVOID
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
108231
Valuation:
$0
Permit #:
P336316
Status:
ISSUED
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
105823/page 6-18-14/08-28-14
Valuation:
$0
Permit #:
P331505
Status:
ISSUED
Fee:
$1,177
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
P336403
Status:
FINAL
Fee:
$356
Permit Type:
N/A
Building Type:
N/A
Tim horton remodel
Valuation:
$0
Permit #:
P331379
Status:
FINAL
Fee:
$352
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
P332239
Status:
FINAL
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
Nail spa in the meijers store in jenison mi. adding 2 pedicure chairs, 1 lav, and 1 water heater
Valuation:
$0
Permit #:
P258338
Status:
FINAL
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Adding 1 sink to the suite of hense cpa
Valuation:
$0
Permit #:
P322458
Status:
FINAL
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Myers 08-28-13
Valuation:
$0
Permit #:
P329255
Status:
FINAL
Fee:
$524
Permit Type:
N/A
Building Type:
N/A
Kelsey 03-28-13
Valuation:
$0
Permit #:
P326616
Status:
FINAL
Fee:
$201
Permit Type:
N/A
Building Type:
N/A
104932
Valuation:
$0
Permit #:
P329908
Status:
FINAL
Fee:
$533
Permit Type:
N/A
Building Type:
N/A
Mechanical o-a: other alteration
2013-07-03
104392
Valuation:
$0
Permit #:
M404280
Status:
CANCELED
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
P329254
Status:
FINAL
Fee:
$286
Permit Type:
N/A
Building Type:
N/A
Tim hortons resturant
Valuation:
$0
Permit #:
P322207
Status:
WEBVOID
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Tim hortons resturant
Valuation:
$0
Permit #:
P322208
Status:
WEBVOID
Fee:
$354
Permit Type:
N/A
Building Type:
N/A
Kalamazoo 10 theater concession area remodel
Valuation:
$0
Permit #:
P317692
Status:
WEBVOID
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
Kalamazoo 10 theater concession stand remodel
Valuation:
$0
Permit #:
P317693
Status:
FINAL
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Verified License
BuildZoom confirmed this contractor's license
Robert D Koster License info
Verified License
| License # | 8107866 |
| Status | Active |
| State | Michigan |
| Type | Plumbing |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Robert D Koster 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 # | 8000046 |
| Status | Active |
| State | Michigan |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Robert D 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 # | 8107866 |
| 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 Robert D Koster with 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 # | 8000046 |
| Status | Active |
| State | Michigan |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2025. Check the current license status of Robert D Koster with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 8104760 |
| Status | Inactive |
| State | Michigan |
| Type | Plumbing |
- 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. If this is your business, please update your license status.
Check this license's status for Robert D Koster 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 # | 8104760 |
| Status | Inactive |
| State | Michigan |
| Type | Plumbing |
- 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. If this is your business, please update your license status.
Check this license's status for Robert D Koster at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
87
Permits
- Building permit records show that Robert D Koster has worked on 87 permitted projects.