This study aims to analyze the Effect of Liquidity, Profitability, Asset Structure, and Company Size on the Capital Structure of Property and Real Estate companies listed on the Indonesia Stock Exchange (IDX) Period 2008 - 2017. In this study the capital structure is proxied by debt to equity ratio ( DER). The sample in this study amounted to 195. The analytical tool used was multiple linear regression. Based on the analysis that has been done, the results of the Liquidity and Company Size variables have a significant effect on Capital Structure, while Profitability and Asset Structure have no effect on Capital Structure.