Location and Projects
Donald L Prochnow Architect
Donald L Prochnow at Friday Harbor, WA 98250, held a Architect license (#5618) with the Washington contractors license board with an expiration date of 06-01-2010. We last verified the license was inactive on 11-03-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 128,670 Washington contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
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Donald L Prochnow License info
Inactive License
| License # | 5618 |
| Status | Inactive |
| State | Washington |
| Type | Architect |
- According to the Washington State Business Licensing , 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 Donald L Prochnow at the Washington State Business Licensing .
This is a sample of licensing data; click here to access a complete history.
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