Abstract: The general Objective of the study was to asess the influence of project integration management and performance of National Housing Corporation project in kenya. The specific objectives of the research study were, to determine how project scope management affects Kenyan National Housing Corporation projects, to evaluate how project time management affects Kenyan National Housing Corporation projects,to determine how project cost management affects Kenyan National Housing Corporation projects and to assess how disclosure and reporting affect Kenyan National Housing Corporation projects. The research was guided by theory of constraint, stakeholder theory, contingency theory, general system theory.