Voted "The Best of the Best" in Real Estate in 2009!! Expect the best at CENTURY 21 Chesser Realty... Your Otsego and Delaware Counties Upstate Real Estate and Catskills Real Estate Experts! We believe you deserve a Real Estate company that brings experience, knowledge, reliability and ethics to every client. Whether you’re buying Oneonta NY Real Estate, land, commercial investment property, multi family homes or your dream home in Upstate New York or the beautiful Catskill Mountains, our Top Producing Upstate New York Real Estate Agents are available for all your Residential Real Estate questions.