ADU Builder Index

← All builders

Duvlas Rivas

1completed ADU permits
1total ADU permits
2024–2024active years on record
$207,424median 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
7047182-CN2024-12-23Completed$207,4248809 12TH AVE NEAllow a detached accessory dwelling unit per the land use code. Construct a one-family dwelling per [6880596-SP]. Garage to be removed under this permit. Revision: 08/20/2005 - Revision to remove/replace sections of concrete driveway per plan.

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 →