Changes in several economic indicators affect the population's purchasing power, the price level in the real estate market, financial opportunities of market participants, as well as profitability parameters that affect the entrepreneurial activities within industry and between countries, in case of international investments. The aim of the research is to analyse the economic problems of the development of residential real estate market, by analysing the economic issues, which can appear in operational phase of the life cycle of object. In the research, the attention also to the rent market development is being paid as well. The object of the research is residential real estate market. The subject of the research is the economic problems related to the development of real estate market and to real estate management (case of rent). The literature analysis, comparative analysis, observations, communication with industry participants, and logical access methods have been used in the research. During the research it was found that economic problems can arise at all stages of building life cycle, also at operating phase of the building life-cycle. The high role of the exogenous factors has been highlighted for the sustainable development of rent market as well. The research highlights the high role of sustainable planning of the finances and investigates the related financial risks that exist. The results of the research and recommendations can be applied to the industry regulation and planning of the improvement of the economic situation and economic processes of the market participants.