Former Yoshioka Residence Main House and Atelier: A Meiji Farmhouse Rebuilt Around a Painter's Working Life

The central pillar standing between the entrance and the ten-mat room measures 35.5 centimetres across, about 11.7 sun in the carpenter's units of the period. It was felled and squared for a farming household. The man who lived beside it for forty-six years was Yoshioka Kenji (1906-1990), a painter who spent his career arguing that Nihonga could absorb Western thinking without ceasing to be itself.

The house sits in Shimizu, Higashiyamato, on the northwestern edge of the Tokyo metropolitan area, inside a hedged plot of roughly 2,528 square metres. According to the Agency for Cultural Affairs, it was raised between 1883 and 1897, with an extension recorded for 1962. The builder was Ikeya Tōemon, who served as nanushi, the headman of what was then a farming village. Local records suggest he was around fifty-six when the work was done, and that an earlier house on the same ground had burned before this one replaced it.

The plan is the shimadori arrangement common to Japanese farmhouses: four rooms in a two-by-two grid, laid out like the character 田. That skeleton survives. What changed was everything around it.

Yoshioka bought the land and buildings from the Ikeya family and moved in during August 1944, evacuating from Higashifushimi as the war closed in on Tokyo. Local accounts describe the move as a procession of more than ten ox-carts. He is quoted as saying he had wanted a settled country life and went looking for a house with weight to it.

The doma, the beaten-earth work floor to the right of the entrance, became his atelier almost immediately, using timber he had carried over from his old house. Two decades later, in 1962 and 1963, he rebuilt in earnest: the thatched roof was replaced with tile, the atelier ceiling was lifted and a skylight cut into it, a second storey was inserted for storage and a bedroom, and white Italian marble was laid across the entrance floor. He had bought the marble himself. Sixteen slabs, each 70 by 76 centimetres.

Registration and Its Reasoning

On 2 May 2017, the main house and atelier entered the national register of Tangible Cultural Properties under registration number 13-0375, in the eighty-sixth round of registrations. Three other structures on the same plot were listed on the same day.

Registration is not designation, and the distinction matters. Japan's older system of designation, which produces National Treasures and Important Cultural Properties, applies heavy protection to a small number of buildings and constrains almost any change to them. The register, introduced in 1996, does the opposite. It casts a wider net over buildings that are roughly fifty years old or more, asks relatively little of the owner, and is designed to keep ordinary historic fabric in use rather than freeze it. Most registrations, including this one, cite a single criterion: that the building contributes to the historic landscape of the country.

The Agency's own description calls it a large farmhouse based on the four-room plan, altered and extended during the Shōwa era, timber-framed and single-storey with a partial second floor, gabled and tiled with sangawara pantiles. It notes the heavy stock used for the main pillar and the sashigamoi lintels, the fine kumiko latticework of the parlour transoms, and the fact that the atelier conversion kept the original frame of the earth-floored bay rather than tearing it out.

Higashiyamato City has stated its case in two parts. The building preserves the look of a prosperous farming household of a kind that has largely disappeared from the Tama region. And Yoshioka worked here for close to half a century. Neither reason alone would carry the listing; together they do.

One inconsistency is worth flagging for anyone checking the paperwork. The Agency's structural field records the building as single-storey, while its own explanatory text describes it as single-storey with a partial second floor. The latter matches what stands on site, and reflects the 1962 insertion.

What Rewards a Slow Look

Start at the south entrance, before going in. The ōdo, the great door, is 209 centimetres high, cut so a horse could be led through without ducking. A small wicket sits inside it for ordinary comings and goings. Both survive as first built.

Under the eaves on the south and west sides runs the geya-geta, a purlin made from cedar poles with no knots and no joins visible: about fifteen metres east to west, about seven metres along the west face. Where the south and west members meet, the carpentry is said to use a technique associated with temple builders rather than village ones. Stand under the corner and look up.

Above the glazed doors of the veranda sits a lattice transom of very thin members. Its purpose is practical. With the storm shutters closed, light still filters through into the rooms. The transoms in the west tatami room and the one dividing off the north dining room are worked in kumiko, and their geometry looks startlingly modern for the 1890s.

The sashigamoi above the sliding doors are cut from the same generous stock as the main pillar; on the kitchen side one of them runs 45.5 centimetres wide.

Look down at the pulls on the wooden doors between the two south rooms. Seen from the west, each of the four carries a different repoussé design. The colour has faded, but gold survives in the butterflies and the dragonflies.

Then the atelier. Mineral pigments still stand on their shelves. Along the east wall, Yoshioka's carpentry tools hang in what is called sugata-oki, laid out by silhouette so that any absence is immediately visible. He built furniture and repaired appliances; the lampshade over the dining table is his, made from shōji mullions. The evidence of a man who could not leave objects alone is everywhere.

Before planning a trip, one hard fact: the house is not normally open. Higashiyamato City manages it as a future memorial museum and opens it twice a year, usually for three days around May and around October. Admission is free. Nearest station is Musashi-Yamato on the Seibu Tamako Line, about five minutes on foot.

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Q&A

QCan I visit the house at any time?
ANo. The city opens it roughly twice a year, in spring and autumn, for a few days each. Dates are announced on the Higashiyamato City website and in the municipal bulletin. Admission is free, and there is no parking on site.
QWho was Yoshioka Kenji?
AA Nihonga painter born in Hongō, Tokyo, in 1906, the second son of the painter Yoshioka Kadō. He entered the studio of Noda Kyūho at fifteen, first showed at the Teiten at twenty, and in 1948 helped found the Sōzō Bijutsu group. He taught at Tokyo University of the Arts from 1959, copied cave murals in Turkey with a university survey team, and worked on the reproduction of the Kondō wall paintings at Hōryū-ji.
QWhat is the difference between a Registered and a Designated Cultural Property?
ADesignation is the older and stricter route, used for National Treasures and Important Cultural Properties. Registration, created in 1996, applies a lighter framework to a much larger pool of buildings, mainly those over fifty years old, so that they can stay in everyday use. This house is registered, not designated.
QDoes the building still look the way it did in the Meiji era?
AOnly partly. The four-room plan, the great door, the main pillar and the transoms are original. The roof was thatch until 1962, with two smoke vents, and the ridge stood around two metres higher than it does now. What you see is the house as a painter reshaped it.
QIs there anywhere to see Yoshioka's paintings?
AYes. The Higashiyamato City Local Museum keeps a permanent Yoshioka Kenji corner on its second floor and sells a catalogue and postcards. Works are also displayed inside the house itself during the open days, and a shuttle bus has run between the museum and the house during past openings.

Basic Information

NameFormer Yoshioka Residence Main House and Atelier (旧吉岡家住宅主屋兼アトリエ)
Location779-1 and others, Shimizu 3-chōme, Higashiyamato, Tokyo
CategoryRegistered Tangible Cultural Property (Structure)
Registration date2 May 2017 (86th round); registration no. 13-0375
CriterionContributing to the historic landscape of the nation
Count1 building
DateMid-Meiji era (1883-1897); extended 1962
StructureTimber, single-storey with partial second floor, tiled roof; building area 208 m²
OwnerHigashiyamato City
AccessApprox. 5 min. walk from Musashi-Yamato Station, Seibu Tamako Line
OpeningNot normally open; special openings in spring and autumn, admission free
EnquiriesHigashiyamato City Local Museum, Tel. 042-567-4800

References

国指定文化財等データベース「旧吉岡家住宅主屋兼アトリエ」(文化庁)
https://kunishitei.bunka.go.jp/bsys/maindetails/101/00011481
文化遺産オンライン「旧吉岡家住宅主屋兼アトリエ」
https://online.bunka.go.jp/heritages/detail/222537
国登録有形文化財 旧吉岡家住宅(東大和市公式ホームページ)
https://www.city.higashiyamato.lg.jp/bunkasports/museum/1006099/1006100.html
旧吉岡家住宅(国登録有形文化財)|東大和の博物館・文化財情報
https://higashiyamato.net/ecomuseum/yukeibunkazai
吉岡堅二と(仮称)東大和郷土美術園|東大和の博物館・文化財情報
https://higashiyamato.net/ecomuseum/artist_yoshioka

Last verified: 2026.07.15