The book "Impact of Socio-Environmental Design Factors (SEDeF) on Housing Values" offers a comprehensive analysis of the interactions between environmental and social design factors and their influence on the value of residential properties. It is based on a dissertation conducted as part of a doctoral program at the Faculty of Technology Management and Business at Universiti Tun Hussein Onn Malaysia under the supervision of Assoc. Prof. Dr. Mohd Lizam Bin Mohd Diah. The research examines the conceptual connection between environmental design factors, particularly crime prevention through environmental design, and social risk factors aimed at crime prevention through social development. The goal is to develop preventive measures against the rising crime in residential areas, manifested in forms such as burglaries, public incivility, graffiti, and robbery. The book provides valuable insights for improving residential quality and increasing property values.