Leadership training has been identified to be a key player in positively impacting leadership development for organization. It has been cited as a strategic soft skill for the career progression in construction and civil engineering professions, a field that demands teamwork and collaborative approaches to effectively solve the predominant unique and complex projects. Emerging global trends favoured the leadership training. The main problem that informed the need to undertake this study was that young professionals in the building industry in Kenya were hardly getting incorporated into the various leadership roles driving their organizations. This study sought to determine the extent to which leadership training of young professionals in the building industry in Kenya would enhance the organizational performance. Through a quantitative research design, data were collected from a sample composed of 309 young professionals working within the 515 registered Architectural, Quantity Surveying, and Engineering firms in Kenya. The data analysis established that registered architectural, quantity surveying and engineering firms in Kenya were actively involved, to a moderate extent, in leadership training of their young professionals. Moreover, leadership training was found to have a significant impact in predicting the organizational performance in the building industry in Kenya. The study concluded that leadership training of young professionals in the building industry in Kenya has a positive statistical significant impact on the organizational performance.