Home › Top 14 Real Estate in Ottawa, Illinois Find best Real Estate in Ottawa, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Century 21 - Ottawa (IL 61350) US, Ottawa, IL 61350406 W Main St DeAnna Carlson, Real Estate Broker-Realtor, Ottawa, Illinois 61350 US, Ottawa, IL 61350122 W Madison St Suite 3 Amanda Brockman, Licensed Broker, Coldwell Banker Real Estate Group US, Ottawa, IL 613501402 Columbus St Coldwell Banker Real Estate Group - Ottawa (IL 61350) US, Ottawa, IL 613501402 Columbus St Shawn Sell Broker RE/MAX 1st Choice US, Ottawa, IL 61350122 W Madison St Suite 3 Unrivaled Properties @ TCG Realty US, Ottawa, IL 613501400 State St CENTURY 21 Windsor Realty US, Ottawa, IL 61350A, 2715 Columbus St Bullock Real Estate Group LLC US, Ottawa, IL 61350421 N 3059th Rd Bethany Mannon - RE/MAX 1st Choice US, Ottawa, IL 613502771 Columbus St Washington Square Realtors Inc US, Ottawa, IL 61350827 Columbus St Fathom Realty, LLC, Gina Stoudt, Designated Managing Broker US, Ottawa, IL 613502740 Columbus St Theresa Poundstone, Coldwell Banker The Real Estate Group US, Ottawa, IL 613501402 Columbus St Phil Makarewicz, Realtor - RE/MAX 1st Choice US, Ottawa, IL 61350122 W Madison St Suite 3 Cara Boren, Coldwell Banker Real Estate Group US, Ottawa, IL 613501402 Columbus St