Population growth also led to increased shelter needs. This makes the construction of housing increases. The rapid development of housing is directly proportional to the reduction of green land that serves as a water absorption area. The study was conducted on one of the housing in the city that aims to identify and understand about how much the presence of green open space in the region of water absorption. The method used in this study is an evaluation methodology that is conducted to assess the criteria sustainable site's housing for green open space. This study is expected to be a recommendation in knowing and understanding the application of criteria for sustainable site on The Green Hill Cluster – Citra Green Dago, Bandung and located in the area of water conservation.