Updated: Apr 05, 2026
Location
Address
Walla Walla, WA, 99362
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Hallowell, John Irvin Plumber
Hallowell, John Irvin, Walla Walla, WA holds a Plumber, Plumber license and 1 other license according to the Washington license board.
Their BuildZoom score of 0 does not rank in the top 50% of Washington contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hallowell, John Irvin, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Hallowell, John Irvin License info
Verified License
| License # | HALLOJI850DW |
| Status | Active |
| State | Washington |
| Type | Plumber, Plumber |
| Business Type | Individual |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Hallowell, John Irvin at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HALLOJI853JW |
| Status | Inactive |
| State | Washington |
| Type | Medical Gas, General |
| Business Type | Individual |
- According to the Washington State Department of Labor & Industries, 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 Hallowell, John Irvin at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
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- *No active license on file. If you are Hallowell, John Irvin, click “This is My Business” to update your information.