Design and build is one of the bidding alternatives in which the design and construction phase is in the one contract. In the implementation process, this rehabilitation project faced with the problem related to the uncertainty. The risk caused by the work implementation delay can affect the project success. This research aims to analyze the relationships and influences among design and build risk factors to the project success, and identify the most dominant factor in design and build risk affecting the total rehabilitation project success in education buildings in Jakarta. The method used in this research are qualitative and quantitative method using the questionnaire distribution which total are 47 respondents. The design and build risk factors analyzed in this research are owner management capability factor, procurement process factor, design capability factor, implementation capability factor, project manager capability factor, project scope factor. The results of validity and reliability tests show that all questions items are valid and the variables are reliable. This research results show that project scope factor has the lowest relationship owner management capability factor, implementation capability factor, project manager capability factor have the low relationship; design capability factor has sufficient relationship; mean while procurement process factor has high relation to the project success. All design and build risk factors are significantly affected to the project success which is 69.8%. The most dominant factor of design and build risk affecting the project success is procurement process factor.