Updated: Apr 21, 2026
Location
Address
814 CLOVERFIELDS DRIVE, Stevensville, MD, 21666
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William I Koch Jr Plumber
William I Koch Jr, 814 Cloverfields Dr, Stevensville, MD holds a Plumbers license and 2 other licenses according to the Maryland 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 William I Koch Jr, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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William I Koch Jr Contact Information
Address: 814 CLOVERFIELDS DRIVE, Stevensville, MD 21666
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Verified License
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William I Koch Jr License info
Verified License
| License # | 120134 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for William I Koch Jr at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 85586 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for William I Koch Jr at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 85586 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
| Class | Heating, Ventilation, Air Conditioning and Refrigeration |
- When BuildZoom last verified this license, it had an expiration date of June, 2018. Check the current license status of William I Koch Jr with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.