Capitol Hill Passive House

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Capitol Hill Passive House is a new multi-family housing proposal for the Capitol Hill neighborhood in Seattle. The proposed building will be approximately 30,000 gross square feet and include eight stories of housing over a basement. The total number of units will be approximately 70, with a mix of one bedroom, studio, and Small Efficiency Dwelling Units. Amenity spaces are provided in the form of a street-facing lobby and lounge area and a roof deck with views to downtown and the Olympic Mountains. The design concept provides an indoor amenity space for residents on the 8th floor with an adjoining second roof deck and connection to the upper roof deck.

Targeting Passive House Certification

Passive House certification requires careful attention to every design decision and balancing the need to successfully integrate the building into the public realm. By building with this certification in mind, the building will have reduced energy costs to create housing that people can afford and reduced greenhouse gas emissions.

Capitol Hill Passive House

Healthy Materials

Seattle's Priority Green Expedited program further mandates Low VOC materials and the use of products with no added urea formaldehyde. These measures will enhance the health and comfort of the building occupants.


Coho Collaborative


Seattle, WA


30,000 sq. ft.
70 units


Targeting Passive House