Welcome to Century 21 House of Realty. We have offices in Marion, Carbondale, Carterville, Murphysboro and Lake of Egypt. We are Southern Illinois' path home. Ask your local Century 21 agent how to qualify for the first time home buyer credit. Our vision is to be the indispensable source for real estate assistance throughout Southern Illinois, guided by professional realtors, marketing systems and support services that result in our customer wanting to be our client for life.