This thesis explores the role of Chilean third sector organisations as part of the solution to support homeowners in condominium improvement and management. The following research question is asked: what are effective and feasible strategies for third sector organisations to support Chilean low income homeowners in the management of social condominiums?. In order to answer the main question, key questions are organised into three main parts: conceptualisation, analysis and proposal. The general research design is based on case study analysis in order to expand the type and range of solutions, given the limited experience of the Chilean third sector in condominium management activities.