CENTURY 21 Cristal Cellar is a one-stop boutique of real estate brokers, lenders, and specialists designed to fit a family’s needs before, during, and after the real estate experience. CENTURY 21 Cristal Cellar is an independently owned and operated franchise affiliate of Century 21 Real Estate, franchisor of the iconic CENTURY 21 brand, comprised of 13,000 independently owned and operated franchised broker offices in 84 countries and territories worldwide with more than 146,000 independent sales professionals.