Tokaido Headman's House (Koike Residence)

What is the Koike Family Residence?

The Koike Family Residence is a traditional Japanese farmhouse that preserves the appearance and atmosphere of a high-status rural household from the late Edo to early Meiji period. The current main building was constructed during the Meiji era (1868–1911) and is a single-story wooden structure with a tiled gable roof, with a total building area of approximately 131 square meters. According to local accounts, the present house was built by a former head of the family who also served as the first deputy mayor of Yui Town.

The Koike family had a long and distinguished history. In the Sengoku (Warring States) period, they are said to have served as retainers of the powerful Takeda clan of Kai Province. After the establishment of Tokugawa rule, successive heads of the family took the name Koike Bun'emon and served as nanushi of Teraō village throughout the Edo period. The residence is owned today by Shizuoka City and is preserved and opened to the public as a museum and resting place for walkers along the old Tokaido.

The Role of the Nanushi in Edo-Period Japan

To appreciate the significance of this residence, it helps to understand the role of the nanushi. In the Edo period, rural villages were administered by three "village officials" known as the murakata san'yaku — the nanushi (village headman), kumigashira (group leader), and hyakushōdai (peasants' representative). The nanushi was the most senior of the three and served as the principal interface between the ruling samurai class and the farming community.

A nanushi's duties were demanding and varied. He oversaw the collection and management of nengu (annual rice tax), maintained household registers, prepared official documents, and negotiated with neighboring villages and feudal authorities. The position required literacy, numeracy, and considerable administrative skill, and the family that held it was typically the most prominent in the village. Nanushi were often granted privileges denied to ordinary peasants, such as the right to wear silk garments. The Koike Family Residence is therefore not merely a farmhouse but the seat of local authority, and its scale and craftsmanship reflect that elevated status.

Why It Was Designated a National Cultural Property

The Koike Family Residence was added to the national register of Tangible Cultural Properties (Tōroku Yūkei Bunkazai) on October 9, 1998. The designation recognizes the building as an outstanding surviving example of a regional headman's residence that retains the traditional features of late-Edo and Meiji-period domestic architecture in the Teraō area.

Several elements contributed to the designation. The exterior preserves a low-eaved tiled roof, a large wooden front door fitted with a small wicket gate (kuguri-do), and latticed windows that recall the appearance of Edo-era farmhouses. Beside the main door, a section of namako-kabe (a striking lattice pattern of flat tiles set in white plaster) demonstrates the refined finishing techniques of the period. The deep eaves are supported by a dashi-geta construction, in which beams extend outward beyond the line of the columns. Inside, an earthen-floored doma (work space) and four six-tatami-mat rooms arranged in the classic den-no-ji ("rice-paddy character") layout, anchored by a massive daikoku-bashira central pillar, faithfully transmit the traditional spatial organization of a high-status rural home. The stone retaining walls surrounding the property, said to retain their appearance from a century ago, complete the picture. In 2011, the city further recognized the property as a "Local Landscape Resource."

Highlights and Things to See

Visitors can step inside and experience the atmosphere of an authentic Meiji-era headman's house at no cost. Several features stand out as you tour the building and grounds.

Surrounding Attractions

The Koike Family Residence sits in the heart of one of the most evocative surviving stretches of the old Tokaido, and it pairs naturally with several nearby destinations. Yui-juku, the 16th of the 53 Tokaido post stations, lies a short walk to the east and is famous as the historical home of sakura ebi (cherry shrimp) fishing. Just beyond it rises Satta Pass (薩埵峠), the famed viewpoint depicted by Hiroshige in his "Fifty-three Stations of the Tokaido," from which travelers can see Mount Fuji rising above Suruga Bay on a clear day. Visitors interested in art may also wish to visit the Yui Honjin Park and the Hiroshige Museum, dedicated to the great ukiyo-e master.