b9 architects

We're excited to announce the completion of Madrone, a passive house apartment in Seattle's Central Area by Cascade Built. This 107-unit project was fully certified Passive House by Phius earlier this year.

Broken into two towers connected by a series of bridges, all of Madrone's units face the street or an internal courtyard protecting the privacy of residents and neighbors.

We're proud of this radical approach to sustainability and urban density. Read more about it on our site.

New Passive House Sustainable Apartment in Seattle — b9 architects The Madrone Apartments, a new passive house sustainable development located in Seattle's Central Area, represent a radical approach to urban residential development to achieve excellence in green design. Comprising 107 units spread across two distinct yet interconnected “towers”, this project re...