Century 21 Real Estate LLC operates as a franchisor of the residential real estate sales organization. The company provides training, management, administrative, and marketing support services to CENTURY 21 System. It supports buyers and sellers in the process of buying and selling real estate properties. The company provides online home buying, home selling, financing, and property listings. Its real estate listings include new homes, condos, commercial properties, and other properties. The company also offers mortgage calculators, home designing, and room planner services. It has operations in the United States, Europe, Latin America, the Middle East, and Asia. The company was founded in 1971 and is headquartered in Parsippany, New Jersey. Century 21 Real Estate LLC operates as a subsidiary of Realogy Corporation.