A user terminal, a real estate web service system and a method thereof display houses for sale or rent on the map coordinate of a web page, sets a regional range by the drag action of a user in a desired region, and outputs and lists information about the houses matching with the set regional range. The user terminal, the real estate web service system and the method thereof can easily search the houses for sale or rent by a simple manipulation, performs a reservation alarm function for the information about the houses for sale or rent when the information about the houses for sale or rent which a user wants is uploaded.(AA) Subway, area, building name search(BB) House for sale of an agent(CC) Search result(DD) Company introduction(EE) LoginCOPYRIGHT KIPO 2016