Cikarang hostel is a hostel that is allocated to workers. where the hostel is a 3-storey building consisting of 30 rooms, each floor. functions supporting the dormitories are laundry, pantry and motorcycle parking.This hostel concept leads to "Green Design", is one of the issues of environmental design, environmentally sustainable design, environmentally conscious design, which is applied to this project. the usage of green materials applied in cement and bricks as filler finishing walls, Noting the impact health (health issues). use herbs / plants around the walls to neutralize the air and produce O2 and emit carbon gases, and also consider water conservation and the use of recycled water (water recycling). Due to known water supplies increasingly depleted. and the number of openings in each room is intended to minimize the use of energy, Utilizing natural light as much as possible, use secondry skin on the building that has a multi-function, provides protection from the effects of heat and solar radiation also provide aesthetic value to the facade of the hostel. roof function is also used as a roof garden, thus reduce the level of air pollution, reduce the thermal effects of solar radiation coming from the walls of the building and of the land, keep most of the water comes from rain water so it provides a mechanism of evaporation-transpiration to become more efficient and composition of vegetation on the roof garden has a good potential in reducing the noise that comes from outside the building (the noise from motor vehicle or industrial activity)