Updated: May 16, 2026
Location
Address
24147 WASHINGTON DR, Osage, MN, 56570
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Tretbar, Gregory K Plumber
Tretbar, Gregory K, 24147 Washington Dr, Osage, MN (Employee: Tretbar, Andrew) holds a Plumbing license and 3 other licenses according to the Minnesota license board.
Their BuildZoom score of 91 ranks in the top 37% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tretbar, Gregory K, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Tretbar, Gregory K Contact Information
Phone Number: (218) 573-6106
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Address: 24147 WASHINGTON DR, Osage, MN 56570
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Verified License
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Tretbar, Gregory K License info
Verified License
| License # | PM065842 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Tretbar, Gregory K at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QB672735 |
| Status | Inactive |
| State | Minnesota |
| Type | Residential Contractors |
- According to the Minnesota Department of Labor & Industry, 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 Tretbar, Gregory K at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BC679342 |
| Status | Inactive |
| State | Minnesota |
| Type | Residential Contractors |
- According to the Minnesota Department of Labor & Industry, 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 Tretbar, Gregory K at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QB672735 |
| Status | Inactive |
| State | Minnesota |
| Type | Residential Contractors |
- According to the Minnesota Department of Labor & Industry, 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 Tretbar, Gregory K at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Tretbar, Gregory K Employees
TA
Tretbar, Andrew
Owner
TK
Tretbar, Gregory K
Owner