US OpenGov
ADUniverse 2.0: Pre-approved plans for ADUs and middle housing
Purchaser
City of Seattle
Country
United States
Published
12 May 2026
Closing date
4 Jul 2026
Source ID
Docs found
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Tender summary
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.
What to check before bidding
- Issued by City of Seattle.
- Located in United States.
- Deadline listed as 4 Jul 2026.
- Source documents portal identified.
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