For over 25 years RN Realty has been providing performance oriented brokerage, development and real estate advisory services to owners and corporate America. Click below to learn more. Acquisitions/Development RN Realty acquires and develops both as principals and joint venturers and for third parties. Advisory RN Realty offers real estate advisory services to owners ranging from private investors to large institutions. l Brokerage RN Realty has diverse knowledge and proven results as a boutique commercial brokerage firm. Available Properties View our latest available properties in the Chicago metro area including downtown and surrounding suburbs.