ADU Builder Index

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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.

PermitCityIssuedStatusEst. costAddressDescription
6770890-CN2022-03-30Completed$126,8529009 6TH AVE NWRemove existing shed and construct detached accessory dwelling unit (DADU) to existing single family residence per plan.

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