本建物は木造二階建てですが、内部は三層になりそれぞれ階段で繋がっています。地盤の高低差に準じて、三層の下も二層の下も地面なのです。小樽でも数少ない貴重な建物です。
敷地面積：2,038.63m2 庭園面積：1,652.70m2
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Building
The main building is a two-story wooden building, but the interior has three layers. Each connected by a staircase. According to the difference in height of the ground, the bottom of third and second-layer are also ground . It’s one of the few valuable buildings in Otaru City.
Site area : 2,038.63m2 Garden area : 1,652.70m2