Public–Private Partnerships (PPPs) contract have been garner a lot of attention to meet the massive request of Housing projects. The purpose of this study was to find the Weights of factors affecting of public private partnership financing in Residential complexes. Stepwise Weight - Assessment Ratio Analysis (SWARA) is one of the strategies used in multi criteria decision making (MCDM). The weights of the main factors and sub factor affecting of PPP financing were evaluated by SWARA.Results showed weighing of factors affecting of PPP financing that PPPs is one of the plausible ways to reduce the housing crisis, most important factors were (Economic, Banking and Financial) of weigh (0.32) due to the importance of these factors for partnership projects, where the goal of partnership is reduce the burden of costs on the state and provide houses. Experts mentioned that the least important factors were Administrative and regulatory arrangements factors of weight (0.12) because the investors were previously coordinated with the state to facilitate many administrative procedures. The research was focused on the Diyala government in analyzing factors affecting of PPP financing. It focused on Planning Department and other departments of Diyala Governorate; Ministry of Construction and Housing; Residential Complexes in Diyala government.