Operational for more than 30 years, Century 21 All Professional is a real estate company that offers a range of property buying and selling services. It also provides leasing, rent collection, supervision and maintenance services. The company additionally offers billing, financial reporting and property management services. It provides single-family residence, vacant land, duplexes, condominiums and mobile homes. The company provides online search options for a variety of properties and offers information on locations and rental rates. Century 21 All Professional is owned and operated by Century 21 Real Estate, which operates more than 8,000 independently owned and operated offices in over 45 countries. The company manages a staff of more than 70 real estate agents. Century 21 All Professional maintains a location in Sacramento, Calif.