Abstract
Taking into account the wide variety of household types, it is crucial to provide different housing. The research focuses on the diversity of Riga 21st century apartments, considering the principles of the housing diversity concept and the context of Riga development. Theoretical studies as well as empirical research methods were used. According to the research results, in general the diversity is satisfactory. However, several negative aspects were identified. Therefore, it is necessary to take actions in order to achieve a greater housing diversity and overall sustainability.