Abstract
This report shows the construction organization of mud-walled townhouse through the research of the historical materials about reconstruction in 23rd year of the Meiji Era (1890) of Hirabayashi family residence located in Omachi city, Nagano prefecture. As a conclusion of this study, the design was planned by the master carpenter Seiju Tateishi of Matsumoto who built a lot of modern municipal facilities of Nagano prefecture, and the construction was carried out by the people who lived in the city of Omachi and neighboring areas.