Dumann Realty is a real estate company that deals in sale and purchase of retail spaces, offices and commercial properties throughout the New York. Its area of operations includes real estate brokerage and advisory services. It specializes in the commercial real estate leasing. The firm offers a wide range of services, such as land and cost estimation, tenant and owner representation and online property search. Dumann Realty undertakes various promotional campaigns to update the brokers, including weekly e-mails, letters, flyers, postcards and electronic mailing campaigns. Its Web site offers property listings, leasing information and price quotes. Dumann Realty is headquartered in the New York City.