San Francisco’s Better Roofs Ordinance

San Francisco’s Better Roofs Ordinance requires new buildings to have 15% of the roof space as solar panels or 30% of the roof space as a Living (green) Roof. The ordinance applies to buildings that are: non-residential buildings with a gross floor area of 2000 square feet or residential buildings of any size, and the buildings have 10 or fewer occupied floors. The growing media should be at least 4 inches deep. The vegetation must have a high species diversity, include native species, and be low water use and use low maintenance plants.