Decayed textures have been one of the most important issues and challenges of Tehran's urban management in the last two decades. Therefore, numerous and varied policies, programs, and actions have been adopted and implemented in these decayed areas. The land consolidation is one of the approaches of the renovation of the old and decayed urban texture of Tehran based on resolution 300/310/15301 dated 24/07/2006 of the Supreme Council of Urban Planning and Architecture of Iran and clauses 9-5 of the detailed design rules and regulations finely executed. The purpose of this study was to evaluate the process of land consolidation in the renovation of the urban decayed texture of the Nizamabad neighborhood in zone 1, district 7 of Tehran Municipality. Most of the information required for this research was collected by the field study method. The respondent sampling of this study consisted of the developers, experts, fine-grained unit owners of the combined fine-grained parts of this neighborhood. SPSS software was used to analyze the descriptive data. Chi-Square and Friedman nonparametric statistical tests were used depending on the type of data, the scale of variables and goals. According to the results of this study, the process of implementation of consolidation renovation in the Nizamabad neighborhood has been faced with numerous and various damages.