The construction of multifamily buildings stands out as one of the main economic activities in the city of Lima, it has even been considered in the first stage of economic reactivation amid the COVID-19 pandemic and to date it has managed to reach the expected expectations, however, there are significant impacts resulting from this activity that generate damage to the environment and human health. This research is descriptive, comparative, and applied; A qualitative-quantitative approach is developed through the analysis of the modified Leopold matrix that allows reaching the objective of identifying the activities of the construction process that generate the greatest environmental impacts and human health, these being: demolition, excavation and hull structure (Chávez Vargas, 2014), with the purpose of proposing mitigation and control actions. The results obtained determined that the ...