ADU Builder Index

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Johnson Brothers Construction

1completed ADU permits
1total ADU permits
2015–2015active years on record
$80,000median est. project cost

Washington state license

License
JOHNSBC075DU
Status
license active
Type
CONSTRUCTION CONTRACTOR
Expires
2028-03-31
Registered in
SEATTLE, WA

As reported by WA L&I on 2026-08-30. Always re-verify at lni.wa.gov/verify.

Permit record

Every ADU-related permit in covered city records naming this contractor. Links go to each city's official permit portal.

PermitCityIssuedStatusEst. costAddressDescription
6461706-CN2015-07-07Completed$80,0005534 30TH AVE NEConstruct alterations to basement of existing single family residence for accessory dwelling unit per plan.

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