A Landowner's House at the Edge of Kutami
Behind a low fence on the southeastern edge of Yamaga, a broad tiled roof rises over a single-storey house that spreads to roughly 309 square metres. This is the main house, or shuoku, of the Yoshioka family, built around 1885 in the middle of the Meiji era. The family were prosperous landowners who ran a sericulture operation, raising silkworms in a district better known for its paper fans.
The house faces east and is topped by an irimoya roof, the hip-and-gable form laid with sangawara pantiles. To one side runs the doma, the packed-earth work floor that most rural Japanese houses kept for indoor labour. North of it, six rooms are arranged in two rows, and beside the doma the formal front, the omote, receives a proper entrance porch.
Why the House Was Registered
In November 2016 the Agency for Cultural Affairs added the Yoshioka house to the national register of tangible cultural properties, listing it together with five other structures on the same grounds. The registration criterion applied to all six was that they contribute to the historic character of the Japanese landscape.
The main house carries registration number 43-0158. Registration, unlike the stricter designation given to National Treasures, is a lighter form of protection meant to keep ordinary but valued buildings standing and in use. What earned the house its place is not rarity of ornament but the completeness of a working Meiji estate: a farming household's home preserved with its outbuildings, boundary and gate intact.
What to Look For
The roofing repays a slow look. Most of the interior is finished with a saobuchi ceiling, the standard grid of thin battens, but the ground floor beneath the two-storey portion switches to a neda ceiling built up from joists, a small structural clue to where the upper floor sits.
Stand back at the street and the house reads as the anchor of a whole compound rather than a single building. The gate, the fence, the storehouses and the small worship hall were all set down around it, and the way they frame the plot is much of what the 2016 registration was meant to protect. The house remains a private home, so the exterior and the streetscape are what visitors can take in.
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Q&A
- When was the main house built?
- Around 1885, in the middle of the Meiji era. It was entered on the national register on 29 November 2016.
- What did the Yoshioka family do?
- They were landowners who practised sericulture, the raising of silkworms for silk, alongside their farming interests.
- What is an irimoya roof?
- A hip-and-gable roof: the upper part is gabled and the lower slopes are hipped. Here it is laid with sangawara clay pantiles.
- Can I go inside?
- No. The house is privately owned and not generally open to the public. The exterior and the surrounding townscape can be viewed from the street.
Basic Information
| Name | Yoshioka Residence, Main House (Yoshioka-ke Jūtaku Shuoku) |
|---|---|
| Location | Imakoga, Kutami, Kamoto-machi, Yamaga, Kumamoto |
| Category | Registered Tangible Cultural Property (Structure) |
| Registered | 29 November 2016 |
| Registration No. | 43-0158 |
| Structure | Timber, single storey with partial second storey; tiled roof; building area approx. 309 m² |
| Count | 1 building |
| Owner | Private (individual) |
| Access | Private residence; not generally open to the public |
References
- Database of National Cultural Properties (ACA) — Yoshioka Residence Main House
- https://kunishitei.bunka.go.jp/heritage/detail/101/00011426
- Cultural Heritage Online — Yoshioka Residence Main House
- https://bunka.nii.ac.jp/heritages/detail/288183
- Yamaga City — List of Designated Cultural Properties
- https://www.city.yamaga.kumamoto.jp/kiji00396/index.html
Last verified: 2026.07.04