The construction industry is considered to be among the main pillars of any nation's growth, development and progress, all over the world which is also important to modify the norms of society and contributes to the economy of each country. Iran as a developing country faces many problems in the construction industry which can be mainly categorized into three areas of lack of quality, low productivity, and high levels of wastes. This paper aims to fill the existing gap by using the lean in the country's construction industry and examining the effects of implementation of lean culture in the construction industry of Iran. Survey research was selected as the research method for this study, using a questionnaire followed by complementary interviews. The present study has been conducted to identify the weaknesses of the construction industry. Finally, it was concluded by the obtained results that the lean culture is efficient in the country's construction industry, however, it was found that minor changes are needed to implement this method. It was also found that Iranian construction companies require some modifications in order to adopt the lean method.