ADU Builder Index

← All builders

Lindsey Werkhoven

0completed ADU permits
2total ADU permits
2026–2026active years on record
$176,000median 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
7124023-CN2026-04-21Issued$130,0004010 36TH AVE SWConstruct addition to existing one family dwelling (SFR) per plan. (Allow new detached accessory dwelling unit to existing single family use per land use code. Construct new one-family dwelling and construct addition to existing one family dwelling per plans. Review and processing for two records under 7093864-CN).
7093864-CN2026-04-16Issued$176,0004012 36TH AVE SWConstruct new one family dwelling (DADU) per plan. (Allow new detached accessory dwelling unit to existing single family use per land use code. Construct new one-family dwelling and construct addition to existing one family dwelling per plans. Review and processing for two records under 7093864-CN).

Is this your company? Claim this profile free to add your website, contact details, and corrections.

Or get featured — $99/mo, top placement above the rankings homeowners land on. How it works →