Diamond Build Corporation
1completed ADU permits
1total ADU permits
2024–2024active years on record
$196,649median 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 |
|---|---|---|---|---|---|---|
| 6978652-CN | 2024-06-01 | Completed | $196,649 | 12318 5TH AVE NE | Allow new detached accessory dwelling unit to existing single-family use per land use code. Construct new one family dwelling per plan. |
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