Old Saito House is one of the traditional houses located in Morioka, Iwate Prefecture. It was used to be a hotel for the travelers during the Edo period. This house was constructed in the late Edo period. It is a two stories rectangular building. Just like other house of Tohoku region where the winter is very cold, it has a stable inside of the house.

The size of the house is 6.6m wide and 18m deep.

In 1906, famous write Ishikawa Takuboku stayed at this house when he was a teacher of the school.