PROBLEM TO BE SOLVED : To provide a real estate valuation system, real estate valuation method, real estate valuation program and storage medium for performing a real estate valuation, considering its business value.SOLUTION : This valuation system comprises inputting a plurality of valuation data for a real estate including at least valuation of its business contribution (S12); calculating a valuation point based on the valuation data (S14); valuating measures in the real estate on the basis of the valuation point (S18); and outputting the valuation of the measures (S20) to evaluate the real valuation used for business.