Subject. The market of mortgage housing lending in the Russian Federation. Topic. The impact of the coronavirus pandemic on the mortgage lending market. Purpose. Analyze the housing mortgage lending market in the Russian Federation and identify the reasons for its explosive growth in the 3rd and 4th quarters of 2020. Methodology. Methods of comparative analysis of the housing mortgage lending market in the Russian Federation. Results. The possibility of the formation of a financial bubble in the real estate market in Russia is studied, and the probable prospects for the development of the mortgage market are evaluated Application area. The mortgage lending market, including the behavior of borrowers (buyers in the housing market) and the activities of credit institutions. Conclusions. The article analyzes the housing mortgage lending market in the Russian Federation and identifies the reasons for its explosive growth in the 3rd and 4th quarters of 2020. The article examines the impact of the coronavirus pandemic on the mortgage lending market, including the behavior of borrowers (buyers in the housing market) and the activities of credit institutions. The possibility of the formation of a financial bubble in the real estate market in Russia is studied, and the probable prospects for the development of the mortgage market are evaluated. Keywords: mortgage lending, deferred demand, financial bubble, coronavirus pandemic, mortgage lending rate, key rate, average credit rating of the borrower, overdue debt, bankruptcy, reserves for possible losses.