Updated: Apr 16, 2026
Location
Address
30373 PHELPS MILL RD, Underwood, MN, 56586
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Koski, Robert J Construction
Koski, Robert J, 30373 Phelps Mill Rd, Underwood, MN (Employee: Robert J. Koski) holds a Residential Contractors license and 3 other licenses according to the Minnesota 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 Koski, Robert J, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Koski, Robert J Contact Information
Phone Number: (218) 770-3410
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Address: 30373 PHELPS MILL RD, Underwood, MN 56586
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Verified License
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Koski, Robert J License info
Verified License
| License # | QB134097 |
| Status | Active |
| State | Minnesota |
| Type | Residential Contractors |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Koski, Robert J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | BC520620 |
| Status | Active |
| State | Minnesota |
| Type | Residential Contractors |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Koski, Robert J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QB134097 |
| Status | Inactive |
| State | Minnesota |
| Type | Qualifying Builder |
| Business Type | Limited Liability Company |
- 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 Koski, Robert J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 20520620 |
| Status | Inactive |
| State | Minnesota |
| Type | Residential Building Contr |
| Business Type | Limited Liability Company |
- 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 Koski, Robert J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Koski, Robert J Employees
KJ
Koski, Robert J
Owner
RK
Robert J. Koski