ADU Builder Index

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Cb Construction

1completed ADU permits
1total ADU permits
2019–2019active years on record
$250,000median est. project cost

Washington state license

License
CBCONC*852P8
Status
license active
Type
CONSTRUCTION CONTRACTOR
Expires
2027-10-28
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
6686155-CN2019-08-12Completed$250,000158 NW 81ST STConstruct new foundation and establish an accessory dwelling unit in basement of existing single family residence per plan.

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