Turnkey projects have been highly regarded yet the adoption of the approach in the implementation of projects by majority of organizations in Kenya is still very low. The aim of this study was to investigate the factors that influence the adoption of turnkey approach in implementation of projects in Kenya. The study adopted a descriptive survey research design. The target population comprised the 37 staff working for Projects departments using census technique. Data was collected through a questionnaires structured using both open ended and closed ended. Chisquare( X2) analysis was used to investigate the associations between the variables. Statistical Package for Social Sciences (SPSS) was used for the analysis. The finding of the study shows a significant relationship between contractors’ capacity, organizational policies and terms of reference for turnkey projects and the adoption of turnkey project implementation. Project costs were not found to have significant association with the adoption of the turnkey project implementation approach. The study recommends the development of local contractors capacities technically to meet KPLC expectations for implementing turnkey projects.