This Solicitation opportunity from Washington was posted on May 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.
ADUniverse 2.0: Pre-approved plans for ADUs and middle housing
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In response to recent legislative changes under Washington House Bill 1110, which took effect in January 2026, the City of Seattle has expanded the range of allowable housing types in residential zones, particularly targeting Neighborhood Residential (NR) areas. This legislation now permits at least four homes on all residential properties with increased flexibility in design, configuration, and sale, aiming to support middle housing options and address growing housing demand. Building on successful ADU permit growth highlighted by nearly 1,000 permits issued annually from 2021 to 2025 and the ADUniverse program launched in 2020—which offers a streamlined permitting path via pre-approved ADU plans—the city is now advancing the initiative through the solicitation titled "ADUniverse 2.0: Pre-approved plans for ADUs and middle housing." This solicitation, managed by the Office of Planning and Community Development in Seattle, seeks to update and expand the existing catalog of pre-approved plans to better align with the newly permitted housing typologies under the updated NR zoning standards. By improving this resource, the city intends to facilitate faster and more predictable permitting processes while encouraging the creation of diverse and affordable middle housing throughout residential neighborhoods. The updated ADUniverse platform will serve as a critical tool in supporting housing production goals, leveraging the previous success of hundreds of permits issued for approved plans since 2020. Interested parties are invited to respond by July 4, 2026, with contact led by Senior Planner Nick Welch.
General Info
Agency
NAICS
Place of Performance
WA, USASet-Aside
Timeline
Submission Closed
Organization & Contact Information
Full Description
More opportunities from Washington → Office of Planning and Community Development
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