The founder of the U.S. Green Building Council (USGBC) has completed the highest-scoring green home renovation since the LEED for Homes Green Building Rating System launched in January 2008.

David Gottfried, the founder of USGBC and the World Green Building Council (WGBC) and CEO of Regenerative Ventures, and his wife Dr. Sara Gottfried, Medical Director at the Center for Integrative Medicine, moved into the LEED Platinum home in Oakland with their two young children in mid-August. The home received 106.5 points out of a total 136 possible under the LEED for Homes certification program. Platinum certification is awarded to homes that earn 80 points or more.

The 1,500-square-foot home in the Oakland neighborhood of Rockridge is half as large as the Gottfrieds’ previous home in the Berkeley Hills. Gottfried specifically wanted the home to be small to reduce the home’s footprint and show that a family of four can live happily in a smaller space, as humans historically have.

“We hoped to showcase how to green an old historic home and still achieve LEED Platinum, as well as downsize 50% for a family of four,” David Gottfried said.

The restored 1915 craftsman bungalow further reduces its impact on the environment because, as a restoration, it enables reuse of many materials and doesn’t eliminate open space on a previously home-free site.