ADU Builder Index

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Ramjack West Kenneth James Marquardt

0completed ADU permits
2total ADU permits
2024–2024active years on record
median 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
24 106555 BRCanceled2412 170th Pl SE2412 170th Place SE — Voluntary repair to the existing foundation using 14 helical piles.
24 106540 BSCanceled106 147th Ave SE106 147th Avenue SE — Voluntary repair to the existing foundation using 11 helical piles.

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