Plan record

Willow Creek DADU

Willow Creek DADU is a pre-approved detached ADU plan from SHAPE Architecture. The public source lists it as 624 sq ft, 1 bed, and 1 bath. It originated in the Seattle, King County, Washington, USA program. This directory currently shows acceptance in Seattle, King County, Washington, USA. Source context comes from City of Seattle, last checked Aug 11, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Pre-approved SHAPE Architecture Official city source
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Source-backed summary

What public sources list

Willow Creek DADU is a pre-approved detached ADU plan from SHAPE Architecture. The public source lists it as 624 sq ft, 1 bed, and 1 bath. It originated in the Seattle, King County, Washington, USA program. This directory currently shows acceptance in Seattle, King County, Washington, USA. Source context comes from City of Seattle, last checked Aug 11, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Provider record
SHAPE Architecture
Accepted location pages

Details

Plan facts

Plan identifier
Not listed in source
Accepted locations
Status
Pre-approved
Size
624 sq ft
Bedrooms
1 bed
Bathrooms
1 bath
ADU type
Detached
Construction type
Not listed in source
Plan fee
$750
Estimated cost
Not listed in source
Last checked
Aug 11, 2026

Plan notes

Notes

Foundation notes
Not listed in source
Utility notes
Not listed in source
Energy notes
Not listed in source
Accessibility notes
Not listed in source
Permit fee notes
Not listed in source
Cost notes
Not listed in source
Additional notes
Not listed in source

Source and evidence

SHAPE Architecture plan page

Official city source
Publisher
City of Seattle
Source type
Plan catalog
Reliability
Official city/county/state government source (5/5)
Last checked
Aug 11, 2026
Accessed
Aug 11, 2026
Official source

Accepted-in locations

Accepted Locations

1 accepted location