These house are in Tabayama Yamanashi county Japan where next Tokyo, place among the cedar and pine tree mountains. The client is the Tabayama village and the building for person who want to consider to emigrate to the village. So, there are so many Japanese cedar, pine and white cedar in this village. The form of the building is very simple. We use the materials in the area, the facade and the interior decoration of the building change. We used the cedar house for the finish of building. Pine house also used same. We can be also design white cedar house, oak house and so on. We can be design various houses by an area, where with the white cedar, Japanese oak and so on, and aim at sustainable forest.