Oliver Brown
1completed ADU permits
1total ADU permits
2022–2022active years on record
$126,852median est. project cost
Washington state license
No exact business-name match in the WA L&I registry — this builder may hold a license under a different legal name. Check the registry directly.
Permit record
Every ADU-related permit in covered city records naming this contractor. Links go to each city's official permit portal.
| Permit | City | Issued | Status | Est. cost | Address | Description |
|---|---|---|---|---|---|---|
| 6770890-CN | 2022-03-30 | Completed | $126,852 | 9009 6TH AVE NW | Remove existing shed and construct detached accessory dwelling unit (DADU) to existing single family residence per plan. |
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