The present invention relates to an apparatus for providing real estate information using mixed reality and a method thereof which provide real estate information online in mixed reality including augmented reality and virtual reality to allow a real estate buyer or a lessee to accurately check information about real estate and perform a transaction for the real estate. The apparatus (100) for providing real estate information comprises : a real estate information database (110) to store real estate information; an internet service unit (120) to provide an internet service to provide real estate information via the internet; a virtual reality content generation unit (130) to extract virtual reality content and then synthesize the virtual reality content in an image to output the image to provide real estate information registered in virtual reality content; and an augmented reality content generation unit (140) to provide information of real estate registered in augmented reality content or realize an interior image using augmented reality to output the interior image.(110) Real estate information database(111) Member information table(112) Supplier table(113) Consumer table(114) Real estate information table (goal (investment, lease), location, price, infrastructure information, transaction result, etc.)(115) Real estate image content table(116) Interior member image content table(117) Real estate transaction information table (sales or lease price of real estate in an area, transaction demand information)(118) Map information table(120) Internet service unit(121) Member registration interface unit(122) Real estate information registration interface unit(123) Real estate information search interface unit(124) Interior setting interface unit(125) Virtual reality playback interface unit(126) Augmented reality playback interface unit(130) Virtual reality content generating unit(140) Augmented reality content generating unit(150) Real estate price prediction unitCOPYRIGHT KIPO 2018