ADU Builder Index

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Sam J Foss

2completed ADU permits
2total ADU permits
2017–2017active years on record
$12,000median 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.

PermitCityIssuedStatusEst. costAddressDescription
6551336-CN2017-11-30Completed$12,000544 NE 104TH STConstruct alterations to and convert basement to accessory dwelling unit in existing single family residence per plan.
6551336-EXCompleted544 NE 104TH STException/Exemption Request for: Construct alterations to and convert basement to accessory dwelling unit in existing single family residence per plan.

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