Introduction. The article deals with the issues of constructing forecasts in the real estate market using heterogeneous data. Establishing a “fair” price of housing is an urgent task for collateral assigning, for insurance purposes, for determining the investment projects effectiveness, etc. To solve this problem, econometric pricing models are used, which are specified for the entire surveyed population. In case of significant heterogeneity of the surveyed population, the predictions obtained from these models may contain significant errors.
