Updated: May 15, 2026
Location
Address
PO BOX 3073, Friday Harbor, WA, 98250
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Duncans Backflow Amb Test Rpr Plumber
Duncans Backflow Amb Test Rpr, Friday Hbr, Po Box 3073, Friday Harbor, WA (Owned by: Duncan, Benjamin Ray) holds a Plumbing Contractor, Journey Level license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 94 ranks in the top 24% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Duncans Backflow Amb Test Rpr, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Duncans Backflow Amb Test Rpr Services
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Duncans Backflow Amb Test Rpr Contact Information
Phone Number: (360) 710-1400
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Address: PO BOX 3073, Friday Harbor, WA 98250
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Verified License
BuildZoom confirmed this contractor's license
Duncans Backflow Amb Test Rpr License info
Verified License
| License # | DUNCABA760RQ |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Journey Level |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Duncans Backflow Amb Test Rpr at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | DUNCABA760RQ |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Duncans Backflow Amb Test Rpr at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | Federated Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Federated Mutual Ins Co |
| Bond Value | $6,000 |
Duncans Backflow Amb Test Rpr Employees
BD
Benjamin Duncan
Partner/Member
CD
Candice Duncan
Partner/Member
DR
Duncan, Benjamin Ray
Owner