The FDZ Ruhr provides a dataset on real estate advertisements in Germany for the years 2007 to 2020 (up to June). The data are based on information from the internet platform ImmobilienScout24 and covers both apartments and houses for sale and for rent. The data are available for scientific research only. The provided dataset covers detailed regional information and a rich set of housing characteristics. This data report gives a brief overview on the data as well as its limitations and specifics. The data report is addressed to (potential) users of the data as support for their data preparation.