Updated: May 14, 2026
Location
Address
5007 WOODLAND AVE, Duluth, MN, 55803
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Koskiniemi, David J Plumber
Koskiniemi, David J, 5007 Woodland Ave, Duluth, MN holds a Plumbing license 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 Koskiniemi, David J, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Koskiniemi, David J Services
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Koskiniemi, David J Contact Information
Phone Number: (218) 576-9953
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Address: 5007 WOODLAND AVE, Duluth, MN 55803
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Koskiniemi, David J License info
Verified License
| License # | PM678470 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Koskiniemi, David J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.