Over 40 years ago, Century 21 Real Estate. Changed the real estate business forever. Now we're doing it again! 81 Countries & Territories. 122,000 Independent Sales Associates. 8,800 offices and counting. We Never Settle! We believe in constant evolution and improvement, because we know that there's always a better way. By adapting to the world around us, we're able to help you with all your real estate needs.