The Full San Juan Collection Has Arrived
A1DesignBuild is a designer and builder of homes in Bellingham and Whatcom County, Washington. We specialize in everything from home remodels to complete high-performance home builds, and our over 70 years of providing excellent service to the community assures that your home project gets done right - each and every time. Read on to learn more.
Three High-Performance Home Plan Sets for Every Budget, Lifestyle & Stage of Life
As builders and designers, we believe a home should work beautifully - quietly efficient, thoughtfully scaled, and built to last for generations. The San Juan Collection is our answer to that approach: three well designed, high-performance home plan sets crafted for people who value quality and comfort.
Each plan in this collection blends great design, advanced building science, and future-proof innovation - while keeping construction practical, durable, and affordable. 3 homes. Infinite possibility.
The Matia
830 sq ft · 2 Bed · 1.5 Bath · Single Story · Universal Design
The Matia is a classic single-story PNW design built around ease, comfort, and aging-in-place readiness. At just 830 square feet, it lives far larger than its footprint thanks to an efficient floor plan, generous natural light, and clean, modern detailing.
Ideal for: downsizers, retirees, aging-in-place living, ADU seekers, efficiency-focused couples or singles.
Highlights:
Thoughtful universal design for lifelong accessibility.
Highly insulated, airtight envelope for low utility bills.
Minimal maintenance materials that stand up to all weather.
Warm, modern styling with a classic Northwest sensibility.
The San Juan
1,580 sq ft · 3 Bed · 2 Bath · Single Story · Modern Farmhouse
The San Juan blends the charm of a modern farmhouse with the discipline of high-performance design. Its single-story layout offers effortless everyday living and premium detailing make it feel light, open, and welcoming. It’s a sanctuary of warmth and simplicity crafted to Passive House-level standards.
Ideal for: families, multigenerational households, and anyone wanting an efficient but nicely sized home.
Highlights:
Open-concept core with vaulted living areas.
Strategic window placement for daylighting and passive solar gains.
Robust thermal envelope engineered for lasting efficiency.
Flexible bedrooms and a primary suite designed for comfort.
The Shaw
827 sq ft · 1 Bed · 1.5 Bath · Two Stories · Scandinavian Modern
The Shaw distills high-performance living into a beautifully simple two-story package. Clean lines and thoughtful material choices create a home that feels fresh while being deeply functional. The Shaw delivers lasting comfort in a small footprint.
Ideal for: minimalists, tiny-home-curious buyers, vacation rental owners, and anyone drawn to simplicity.
Highlights:
Compact footprint ideal for tight sites or forested lots.
Two-story volume enhances daylight, views, and privacy.
Exceptional energy performance with minimal mechanical demand.
Warm, understated Scandinavian modern design throughout.
Watch this video to learn about a big energy culprit: thermal bridging.
Built for Today. Ready for Tomorrow.
Whether you’re building a starter home, a downsized retreat, or a resilient family house, The San Juan Collection gives you three architecturally distinct and performance-driven designs engineered for real life.
Each plan emphasizes:
High-performance construction detailing
Durability and longevity
Healthy living spaces
Lower energy bills
Simplified building processes
Timeless, Northwest-inspired design
Ready to learn more? Head over to our store and take a deeper dive.
