The objective of the research is to present the development of a manual for the Identification of structural pathologies for the repair of masonry social housing in Metropolitan Lima. The research was of the applied type with a non-experimental cross-sectional quantitative approach. The sample was six masonry houses located in the district of Ate Vitarte; the main results: With the guide of visual inspection of concrete in housing - ACI 201.1R-08; describes the structure and materials used being confined masonry housing, the nature of the environmental conditions shows the type of exposures by environmental conditions, with the danger indicators, locate the risks for a prompt repair, the current state of the structure finds the degree of deficiency in its structural elements and with the diamond tests on beams and columns shows that 100% of the houses have a deficiency in concrete strength and finally concludes the development of a manual will allow the effective repair of structural elements in social housing of masonry.