photo by Frances Wilson


A design/build development firm specializing in sustainable construction partnered by Ray Sage, Wendy Brawer, and Paul Castrucci, bringing together 60 years of experience in eco-design. R-951 Residence is the partnership’s first project.

Wendy E Brawer is an award-winning eco-designer and social innovator. She is best known as the founder and director of Green Map System, which engages communities in 65 countries in mapping sustainability and social change. An early contributor to the emerging green building scene in New York, Wendy has worked on energy, waste reduction and other issues impacting New Yorkers’ quality of life since 1990. Formerly the Designer in Residence Smithsonian Cooper-Hewitt National Design Museum, Wendy is actively involved in diverse projects that will help NYC meet its ’80 by 2050’ goals. More about her work is at

Ray E Sage is a contractor and consultant with over 20 years of experience in New York City, and has a deep interest in energy efficiency and renewables. He has worked on a wide variety of residential and commercial projects. His concern for biodiversity has led to studying beekeeping and Ray now tends rooftop hives. Ray is also Wendy’s life partner. 


Paul A Castrucci is committed to providing clients with innovative design solutions that integrate the firm’s leading expertise in sustainable design, experienced approach to functional problem solving, and a dedication to the art of building.

Established over 20 years ago by architect and community advocate Paul Castrucci, the firm’s project experience includes single family homes, multi-family buildings, community centers, artists’ studios, commercial office spaces and roof gardens.  From small scale apartment renovations to new multi-story buildings, the firms work emphasizes craftsmanship, functionality and the environment.