April 25, 2026 I Greater Seattle Sites
These sites will be open on Saturday, April 25, 11 am – 5 pm
Greenwood DIY: Adapting a 1928 Home
live-work-play architecture & design
A 1928 home, a long-range phased DIY vision, and real results. Tour the completed phases, hear what’s planned next, and stroll through a “right plant, right place” garden designed for low-maintenance beauty.
28th Street Cottage
Abode Builders LLC + Sandpoint Studios
The 28th Street Cottage is a thoughtfully designed sustainable home located on the western edge of Ballard. This project reflects our shared commitment to high-performance construction and environmentally responsible architecture.
Bryant Deep Energy Retrofit
Carlisle Classic Homes
This Bryant neighborhood home is getting ready to celebrate its 100th birthday with a full-scale deep energy retrofit that completely transformed its performance while maintaining its personality. We adhered to the Passive House Principles to bring this house into the future.
Sammamish Resilient Retreat
First Lamp Architects
A refined modern residence pursuing 5-Star Built Green certification, this home is crafted around a high-performance envelope—advanced wall assemblies, precision glazing, and an efficient heating and cooling system—shaping spaces defined by abundant natural light and resiliency.
Architect’s Home + Guest House (DADU)
Suzanne Zahr, Inc. | SZ Build, Inc.
Enjoy a sneak peek into an Architect’s new family home and guest house on Mercer Island. Beautiful, durable, and sustainable, these buildings are designed to comfortably nestle into the sloped site, creating unique indoor / outdoor spaces throughout.
30th Condoization Development Project
Mighty House Construction + Ming Architecture + Design
Once a converted barn on a former apple orchard, the unstable structure has been cleared to make room for three new, thoughtfully designed homes. This construction project emphasizes sensitive, sustainable design and the importance of how building better can enrich and diversify a neighborhood.
April 26, 2026 I Remote Sites
These sites will be open on Sunday, April 26, 11 am – 5 pm
Rooted Northwest Agrivillage Co-Housing Community
Rooted NW Cohousing + The Farms at Rooted NW * Community Supported Agriculture
Rooted Northwest is a beautiful, energy-efficient, privately-owned village of homes nestled on shared land of over 200 acres of protected forest, trails, and farmland forming in the foothills of the Cascade Mountains in Arlington, WA
North Mason EnergyWise Sanctuary
Pioneer Builders, Inc.
Energy Star certified with triple pane Innotech Windows and Doors, Mitsubishi HyperHeat heat pump, Taco Comfort efficient water recirculation pump with smart plug, fully insulated underslab.
DOE Efficient New Haven (South Kitsap)
Pioneer Builders, Inc.
This is Pioneer Builders’ first DOE Efficient New Home. Triple pane windows Innotech Windows and Doors, vrf heating/cooling, ERV with wall control, Swidget device connections, ecm recirculation pump, unvented crawl space.