Berkshires Real Estate Agency Harsch Associates is the oldest continuously operating locally owned agency in Berkshire County. Call today to find or sell your next Berkshire property. Harsch Associates real estate agents have sold over 3000 homes in the Berkshires and surrounding areas such as Vermont and New York State in the past 40 years. Paul A. Harsch III Realtor Emeritus has sold well over 590 homes alone. Our agents will serve buyers and seller with the most effective, efficient and energetic service in our business.