Urban identity is a set of values ​​that encompasses various cultural, economic, or political terms and sets one city apart. Meanwhile, architecture and urban planning have a very important role in preserving the identity and culture of a society. In Iran, with the arrival of modernity in the country, in the city of Tabriz, regardless of identity - culture, affected the architecture of Tabriz caused anonymity In the city and contemporary housing in the city of Tabriz. The purpose of this study is to investigate the effect of changing the foundations of thought in the disintegration of contemporary housing identity in Tabriz. The present research is a descriptive-analytical survey. The statistical population includes all experts, professors specializing in this field, the sample size is equal to 12 experts and professors. A reliability of 0.585 was obtained. Structural equation method was used to analyze the data, which was first analyzed through SPSS software and then through Smart PLS software and AMOS software was used to explain the final model. The results show that the greatest impact on the disintegration of contemporary housing identity in terms changing the foundations thought, forgetting and extensive destruction of everything related to the past with a general load of 0.92 and producing index samples in the greenhouse conditions of thought with a factor load. 0.20 had the least impact. Therefore, there is a direct relationship between ideological transformation and the rupture of architectural identity in the contemporary housing of Valiasr in Tabriz.