The mission of the Mentzendorff House, a Rigans’ 17th–18th cent. house-museum, is to preserve and study the architectural and artistic values ​​of the museum building, to research the fates of the people associated with the building, to demonstrate the culture and traditions of Riga’s citizens as a cultural phenomenon of the time by projecting them against the values of modern culture, to facilitate the museum integration in the cultural processes by supporting the measures and ideas that would promote mutual understanding among the current legatees of Riga’s cultural and historical heritage, i.e. today’s Rigans, the descendants of the earlier generations of Riga’s inhabitants. In view of the historical connection of the house with the glazier’s craft, the museum has undertaken to reflect the development and achievements of the craft and art in this field.