This study iaims to idetermine the effect of profitability, sales gowrth, leverage and ifirm size on firm value moderated by capital structure. This research was conducted atibuilding construction companies listed on the Indonesian stock exchange between 2015-2020. The sampling technique used in this istudy was purposive sampling. The isample in this study were 35 data from 7 building construction icompanies ilisted ion the Indonesia Stock Exchange in the 2015-2020 period that met the criteria. The data analysis technique used is panel regression analysis consisting of three ivariables, namely the dependent variable, the independent variable, and moderated variable. The results of this study indicate that profitability has a isignificant ieffect ion ifirm ivalue, sales growth has a significant effect on ifirm ivalue, the ownership structure does not effect on firm value, capital structure is not able to modareted the relationship between iprofitability and firm value, capital structure isiable to modareted the relationship between sales growth and firm value.

Keywords : Profitability, Sales iGrowth, Ownership Structure, Capital iStructure, Firm Value.