Osses Contractors Inc.
ADU builder in Seattle, WA · Not matched
1completed ADU permits
1total ADU permits
2007year active on record
$80,258median 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 |
|---|---|---|---|---|---|---|
| 6128914-CN | Seattle | 2007-09-05 | Completed | $80,258 | 6522 48TH AVE S | Closed as Incomplete - Expired Permit Construct accessory dwelling unit detached from existing single-family dwelling per plan. |
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