The present invention provides a system for providing real estate information. The system includes a MOLIT (ministry of land, infrastructure and transport) real-transaction price providing server which provides first information on an administrative district, a transaction amount and an area for real estate traded at a real-transaction price, a real estate database having second information on the administrative district, a lot number and an area for the real estate, and a real estate information providing server for matching the first information with the second information and providing a real estate transaction price for the lot number. It is possible to provide a real-transaction price for the real estate to a user.(110) Real estate information providing server(111) MOLIT real-transaction price providing server(112) Real estate DB(113) Real estate information collection server(114) Land ledger(115) Building ledger(118) Real estate registration server(119) Real estate registration information collection server(120) Real estate transaction proposing server(AA) National real estate information portal(BB) NetworkCOPYRIGHT KIPO 2018