The Century 21 Root Agency, founded in 1960, is a part of Century 21, which sells properties throughout the United States. There are 16 realtors at the Root Agency, involved with selling property in Connecticut. In 2010, the agency had 73 houses for sale in Portland and 132 in East Hampton. It also sell condominiums, corporate property, vacant lots and rental space. The Root Agency puts information about houses online, making it easier for customers who want to buy and sell.