Indonesia is currently on the high speed of developing new housing, sky building, apartment, offices and malls. Evidences suggested that they implement a specific method to ensuring development meet to the target both in time and cost. However, the evidences also suggested that the quality of build are at comprised on several areas in Indonesia. There are number of different methods use by different real estate to achieve their goal. The purpose of this paper is therefore to investigate of the method used by the real estate and develop a new method using the six sigma approaches to improved their quality of build, lower the cost and ensuring consistency of the supply chain for the materials and labour. This paper will provide the data analysis and present the finding.  To achieve this, data from REI (real estate Indonesia) will be used and literature review will be critically used as a guidance. The outcome of this paper will  benefit for the real estate in term of cost and quality of build