We’re an architecture firm with a passion for cost-effective, climate-resilient, healthy buildings and communities.
Onion Flats Architecture’s 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 R&D Award from Architect Magazine, the Green Building United’s Ground Breaker Award, the ULI Willard Rouse Award for Excellence, the International Passive House Award, the ULI Global Award of Excellence, and the Emerging Voices Award by the Architectural League of New York.
Front Flats
Copper Flats
The Factory - Phase 1
Rust House
Thin Flats - Phase 2
The Battery - Phase 3
Vine Street
Morris Steel
Rag Flats
New Bedford YMCA
Teachers' Eco Village
B'nai B'rith Apartments
Salem Fairweather DER
Hano Homes DER
Brian J Honan DER
Orianna House
Tajdeed
South Point
Susquehanna Square
Corner Residence
Duck Flats - Phase 1
Duck Flats - Phase 2
Jackhammer
The Stables
Market Flats
Belfield Townhomes
Ted House
E Flats
Berks Hewson Twins
2300 South
Levesque Flats
Margarido House
1412 Frankford
Shackamaxon Street
1405 Frankford
Snow King
North Ave Workforce Housing
Third Street
North 2nd Street
Columbia Townhomes
Mercill Flats
Mermaid Lane
NLNA Community Center
Crosby Hill