© 2017 CENTURY 21 Landmark Realty. CENTURY 21® and the CENTURY 21 Logo are registered service marks owned by Century 21 Real Estate LLC. Century 21 Real Estate LLC fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each Office is independently Owned and Operated. CENTURY 21 ® is the most recognized name in real estate *. (*) 3.2.2. 3.2.2 Study Source: 2012 Ad Tracking Study. The survey results are based on 1,204 online interviews with a national random sample of adults (ages18+) who are equal decision makers and who have bought or sold a home within the past two years or plan to purchase or sell a home within the next two years. Brand awareness, consideration and likelihood to recommend questions based on a sample of 1,204 respondents at a 90% confidence level, with a margin of error of +/- 2.4%. Recognition and respected questions based on those who had awareness of the brand. Results are significant at a 90% Confidence level, with a margin of error of +/- 2.4%. The study was conducted in two waves by Millward Brown, a leading global market research organization during the following periods: Wave 1 between February 5th - February 19th 2012. Wave 2 between August 12th - August 26th 2012.