Koss Design + Build is an award winning architecture and construction firm specializing in unique, energy efficient homes. Our focus is on modern design and construction through a collaborative, team oriented process. As an architect led design build team we are dedicated to timeless design and sustainable building with an unwavering commitment to our clients needs and goals. Combining luxury with efficiency is guiding principal in all of our work.

We have been published by numerous organizations for award winning design and craftsmanship. Our Passive House accredited building team has completed the only certified PHIUS home in central Arizona as well as numerous Net Zero homes. Our 2 Barns project is the first single family custom home to win the prestigious American Institute of Architects SRP award for sustainability. Founder, Erik Koss, is a licensed architect, contractor, LEED accredited professional and PHIUS certified builder who believes passionately in the value of a true design + build process; this premise guides the firm today.