Location and Projects
Karl E Treffinger Architect
Karl E Treffinger at West Linn, OR 97068, held a Architect license (#ARI-2930) with the Oregon contractors license board with an expiration date of 06-30-1999. We last verified the license was inactive on 07-20-2026.
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 62,733 Oregon contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
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Karl E Treffinger License info
Inactive License
| License # | ARI-2930 |
| Status | Inactive |
| State | Oregon |
| Type | Architect Individual |
- According to the Oregon Board of Architect Examiners, 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 Karl E Treffinger at the Oregon Board of Architect Examiners.
This is a sample of licensing data; click here to access a complete history.
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