The present invention relates to a real estate valuation system. The real estate valuation system includes a real estate price database part for storing the real-transaction price information and official land price information of real estate in a specific area, a history analysis part for generating final real transaction price information by combining the real transaction price information and the official land price information, and a value calculation part for calculating a valuation price by estimating the real estate value of a specific address based on at least one piece of final real transaction price information. It is possible to represent visually the fair value of real estate.(200) Real estate valuation system(300) Local government office(400) Korea appraisal board(500) Registration office(600) National space information portal(700) Real estate property sharing portalCOPYRIGHT KIPO 2018