Updated: Apr 19, 2026
Location
Address
P O BOX 1895, Yreka, CA, 96097
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William John Willison Iii Plumber
William John Willison Iii, Yreka, Po Box 1895, Yreka, CA (Owned by: William John Willison Ii, William John Willison Iii) holds a Plumbing license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William John Willison Iii, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William John Willison Iii Services
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William John Willison Iii Contact Information
Phone Number: (530) 340-0652
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Address: P O BOX 1895, Yreka, CA 96097
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William John Willison Iii License info
Verified License
| License # | 1002574 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for William John Willison Iii at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
William John Willison Iii Employees
WI
William John Willison Ii
Sole Owner
WI
William John Willison Ii, William John Willison Iii
Owner
WI
William John Willison Iii
Sole Owner