We’re an architecture firm with a passion for cost-effective, climate-resilient, healthy buildings and communities.

Onion Flats’ focus on community development, multidisciplinary thinking and making, high-performance building technologies and alternative construction methodologies has won the firm national and international awards. Featuring the 2021 R&D Award from Architect Magazine, the 2018 and 2016 Green Building United’s Ground Breaker Award, the 2018 ULI Willard Rouse Award for Excellence, the 2015 International Passive House Award, the 2010 ULI Global Award of Excellence, and the Emerging Voices Award by the Architectural League of New York in 2008.