ADUniverse 2.0: Pre-approved plans for ADUs and middle housing

City of Seattle — Office of Planning and Community Development · WA

Response deadline: Jul 16, 2026
Date posted: May 12, 2026
Source: Open notice

Description

The City of Seattle is updating its ADUniverse website with new pre-approved plans for accessory dwelling units (ADUs) and middle housing now allowed throughout Seattle's residential zones. We invite designers, architects, and homebuilders to submit ADU and middle housing designs that fulfill the criteria and follow the requirements outlined in our Submission Guide.

Documents

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