Katayama House was used until 10th generation and donated to the city of Takahashi. It was not built in single construction. It was extended three times. Katayama family spent their fortune which made from Bengara Production for this house.
The main feature of this house is Ranma, Kugikakushi and glasses. They have Katayama's family emblems.
Another feature of this house is Namako wall. Namako wall is a wall covered with Kawara and plaster. It remains in great condition.
At the backyard of this house, there is a Kura, a storage which is used as the display rooms for all related items of Katayama's Bengara factory.