In Turkey, property-based land management practices are being carried out intensively by many public institutions and private sector organizations. General Directorate of Foundations (GDF) is one of such public institutions. The purpose of this study is to identify existing problems in the management of foundation properties and develop concrete legal, technical and institutional proposals for solving these problems. Case study method was used in the study. The study sample consisted of 68 professional employees who work at GDF. A questionnaire, a semi-structured interview form and existing land management implementations were used to collect data in the study. The questionnaire was applied to 68 professional employees selected as the sample group. A semi-structured interview form was developed by considering the results and suggestions of the questionnaire. In the light of the conclusions and suggestions of the questionnaire and the interview, 31 sample practices were selected to deliver the current situation within the context of land management practices to the reader by explaining and interpreting such practices. At the end of the study, data obtained from the questionnaire, the interview and sample practices were blended, and solution approaches were developed for sustainable management of foundation properties.