The rapid growth of the new city of Sadra has led to an increase in demand for architectural residences, and paying attention to increasing the satisfaction of residents is of great importance. Therefore, satisfaction with the architectural structure of residential complexes that residents receive answers to their needs from that complex is important. The purpose of this research is to investigate the relationship between the architectural design of residential complexes in order to increase satisfaction with the architectural structure in the residential complex (Negin) of Sadra city. The sampling method is simple random. Based on the Cochran formula, the statistical sample size is 368 people with an error level of 5 percent, and the type of research is survey research (field research), and the correlation research method deals with the relationship between variables. The questionnaire is researcher-made, and the validity and reliability of the questionnaire are examined by professors' opinions and Cronbach's alpha and Lavish content validity in SPS software. And it is filled out by the questioner himself in a non-probability sampling manner. The results are examined at two levels of descriptive statistics (duration of residence) and inferential statistics (correlation). The results indicate the existence of a direct and significant relationship between the independent variable; factors affecting architectural design with the dependent variable; the physical aspect of residents' satisfaction. Therefore, improving the factors affecting architectural design by renovating the above complex is effective on residents' satisfaction.