This study aims to develop a strategic proposal for PT. Pollux Barelang Megasuperblok which is engaged in apartment property. Sales of apartment units have decreased in the last three years, so a strategic proposal is needed to make improvements in terms of unit sales. This study uses 3 stages, namely the input stage in the form of evaluation of internal and external factors of the process by compiling the IFE matrix and EFE matrix; matching stage using IE matrix, SPACE matrix and SWOT matrix; and finally the output stage is in the form of strategic decision making using the QSPM matrix. Based on the identification on the input stage, there were 10 internal factor variables and 9 external factor variables. The score obtained from the IFE & EFE matrix, strengths 1.93, weaknesses 0.75, opportunities 2.44 and threats 0.58. From the IE matrix and SPACE Matrix, it shows the company's position is in an aggressive condition and the recommended strategy that must be done is Grow and Build. The SWOT matrix shows that the company must carry out the following strategies: market products by utilizing technology to increase sales, reward active employees / marketing, expand market share, provide information and provide services by utilizing existing technology, increase promotions, optimize budgets in productivity, establish a pricing strategy, maintain information on price competition that occurs from other competitors. This study shows the calculation results of the QSPM: the weight of the proposed strategy is 5.70 while the existing strategy is 5.19. then the results of this study can carry out the strategy proposed so that the company can survive and improve marketing.