The problem of preservation of the historical and architectural environment in Russian cities is currently rather relevant. Research and popularization of the different architectural styles play an important role in preservation of the unique historical environment of the city. Architectural styles of buildings in Tyumen are from Siberian Baroque to large-scale buildings of neoclassicism, which is characteristic of the architecture of this period.The paper describes the buildings the construction of which is financed by the merchants. The building architecture belongs to a particular stye typical for the period of Art Nouveau and neoclassicism. The architecture of Tyumen buildings is of regional color scheme represented by the decoration of window trimmers and other architectural details.The research implications include a study of historical and modern photographs of buildings of various types, namely from educational institutions to residential buildings. The paper utilizes historical and archival and bibliographic data and field research.Research findings: the significance of the studied buildings is preserved in the modern urban environment and architecture of Tyumen. At the turn of the 19–20th centuries and today, these objects retain their role in urban planning and function.