Real estate is considered real property that includes land and anything permanently attached to it or built on it, whether natural or artificial. There are five main categories of real estate,... Real estate is real property that consists of land and improvements, which include buildings, fixtures, roads, structures, and utility systems. Know everything about real estate - its definition, types, investment strategies, and market analysis. Also, learn about real estate laws and ethics. Real Estate refers to assets that are permanently connected to land and legally owned. It serves residential, commercial or industrial purposes.