The wooden architecture of the 19th century is mentioned in the UNESCO World Heritage description of Riga among the criteria that makes the Capital city of Outstanding Universal Value. So far, 3 500 wooden buildings in the city have survived. This paper summarizes information on the renovation of four wooden buildings. The aim of this paper is to give a closer overview on the impact of ownership, funding source and location in the city of the building on the process of renovation and architectural change. The internationally approved renovation principles in the renovation of wooden buildings in Riga are not often taken into account.