ADU Builder Index

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Joseph Irons

1completed ADU permits
1total ADU permits
2010–2010active years on record
$42,971median 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
6244022-CN2010-07-19Completed$42,97111336 12TH AVE NEAlter existing accessory structure into detached accessory dwelling unit per plan.

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