OFA’s work spans a diverse range of scales and contexts, united by a commitment to thoughtful design, sustainability, and community impact. Our recent focus on Deep Energy Retrofit (DER) research and feasibility supports clients in dramatically reducing energy use while enhancing existing buildings. Explore project types

At OFA, we’re a team of seasoned professionals united by a passion for thoughtful, sustainable design. With decades of combined experience in architecture, construction, and development—and credentials in Passive House and LEED—we create buildings that are as energy-efficient as they are enduring. Read More

Our services span innovative architectural design and sustainability consulting.—grounded in decades of hands-on experience in construction, and development. From Passive House and LEED certification to Deep Energy Retrofits and prefabrication, we help bring your vision to life with efficiency, clarity, and long-term impact at the core. Read More