Coldwell Banker Primus is a premier full-service real estate brokerage with offices throughout Northern Illinois and Southeastern Wisconsin. Our professional and highly trained Sales Associates deliver the best home buying and home selling service possible. We are dedicated to achieving results for you. Thank you for your support. Wisconsin offices are conveniently located in Lake Geneva and Twin Lakes. Northern Illinois offices are located in McHenry, Cary, Crystal Lake and Algonquin.