Evaluation of quantitative indicators of housing in informal settlements (Sample of August: Region 5 of Mashhad Municipality)

of the rapid growth of urbanization and the increase of migration to the cities, the lack of housing in the metropolises has created the abnormal phenomenon of informal settlements. Therefore, in order to achieve the desired planning of the housing, the dimensions and indicators of the housing should be studied of the present research is of applied type and according to the descriptive-analytical nature. have been evaluated. The required information is used through the methods of libraries and documents from books, articles, theses, general population and housing census 1395, comprehensive and detailed plan, questionnaires and field studies and random sampling methods. In this research, the number of samples was obtained by using Cochran's formula, which according to the number of 54359 residential units located in Qala-e-Tsang district according to the district 5 municipal block statistics in 1400, the sample size is estimated to be 381 residential units.The findings and conclusions in this research, to the question "What is the current situation in the building castle in terms of quantitative indicators?" The answer can also compare these indicators with the conditions of a healthy city. According to the results obtained from the evaluation and comparison of quantitative indicators of housing, the condition of housing indicators in the fortress is generally considered unfavorable compared to the indicators of healthy housing.