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UA
Urban Acupuncture
Seattle's Middle Housing Tool
The One Seattle Plan (January 2026) changed the rules for every Seattle homeowner. What can your lot do? Find out how many homes you can build, what they'll cost, and what you can earn.
What can your lot do? See how many homes you can build and what you can earn.
🏘️100K+Seattle lots affected
🏗️4–6 unitsAllowable on each
💵Rent or sellYour choice
Free to use · Seattle parcels only