Shioda Family Residence Main House and Detached Parlor: The Home Behind Shodoshima's Soy Sauce Trade
Set east to west near the north-center of a walled compound beside the Umaki River, the main house of the Shioda Family Residence was built in 1914, the third year of the Taisho era. It was the family home of the house behind Yamasan Soy Sauce, a brewery whose origins in the Maki district of Shodoshima reach back to 1846. This is the Kagawa property; a separate Shioda house of the same written name survives in Tosa, Kochi Prefecture, and the two are unrelated.
The main hall runs about fifteen meters along its ridge and nine meters across, under an irimoya hip-and-gable roof laid with sangawara pantiles. A continuous eave wraps the building so that the upper floor reads from outside as a low tsushi-nikai, the half-height second storey common to merchant houses of the period. An entrance projects to the south, a kamaya kitchen wing pushes out to the north, and a detached parlor on a north-south ridge joins the hall on its west side. The result is a single connected household laid out for both family life and the reception of guests who came to talk soy sauce.
Why the Main House Was Registered
The building was entered on the national register of Tangible Cultural Properties on 19 September 2003, in the thirty-eighth round of registrations. Alone among the five Shioda structures on the register, it was recognized under the criterion of serving as a model of design and craft, rather than for its contribution to the historic landscape. The distinction matters: the storehouses and gate around it were valued for how they shape the riverside street, while the main house was singled out for the quality of the building itself.
That quality shows most clearly in the exterior finish. Above a lower band of walling, the surfaces are worked in black shikkui, a lime plaster tinted and polished to a dark, even sheen. Black plaster demanded more skill and more coats than a plain white finish, and its use across a house this size signals a family with the means and the confidence to commission first-rate plasterers. The care taken here places the house among the accomplished modern Japanese-style residences built by provincial industrialists in the early twentieth century.
What to Look For
Read the roofline first. The wrapped eave and the tsushi-nikai profile give the house a long, low horizon that anchors it against the taller storehouses nearby. Then follow the plan around: the southern entrance, the projecting northern kamaya, and the parlor wing stepping off to the west each announce a different function, so the mass never settles into a single flat block.
The detached parlor rewards a closer look. Reception rooms in a merchant house of this rank were where business and hospitality met, and the parlor's separate ridge marks it as a space set slightly apart from the working heart of the home. Because the residence remains a private, operating property, the interior is not open for casual visits, but the exterior composition can be appreciated from the surrounding lanes of the Hishio no Sato district.
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Q&A
- When was the main house built?
- In 1914, the third year of Taisho. It was registered as a national Tangible Cultural Property in September 2003.
- What makes it different from the other Shioda buildings on the register?
- It is the only one of the five recognized as a model of design and craft. The others were registered for their role in the historic riverside landscape.
- What is the black finish on the walls?
- Black shikkui, a lime plaster worked to a dark polished surface. It required extra skill and coats, and marks the house as a high-grade commission.
- Can I go inside?
- The residence is private and still in use by Yamasan Soy Sauce. Guided visits to the grounds are arranged by reservation with the company; the exterior can be viewed from the public lanes of the Hishio no Sato area.
- Is this the same Shioda house found in Kochi?
- No. A separate registered residence with the same written name stands in Tosa, Kochi Prefecture. This one is in Shodoshima, Kagawa.
Basic Information
| Name | Shioda Family Residence Main House and Detached Parlor |
|---|---|
| Location | 140-2 Ishii-ko, Noma, Shodoshima-cho, Shozu-gun, Kagawa Prefecture |
| Category | Registered Tangible Cultural Property (Structure) |
| Registration date | 19 September 2003 (Heisei 15), 38th round |
| Count | One building |
| Year built | 1914 (Taisho 3) |
| Structure | Wood, single storey with partial second storey; tiled roof; building area about 282 sq m |
| Owner and use | Yamasan Soy Sauce (private, operating property) |
| Access | Grounds by guided reservation; exterior viewable from public lanes |
References
- National Database of Designated Cultural Properties, Agency for Cultural Affairs
- https://kunishitei.bunka.go.jp/heritage/detail/101/00003618
- Cultural Heritage Online, Agency for Cultural Affairs
- https://online.bunka.go.jp/heritages/detail/139388
- Yamasan Soy Sauce, Shodoshima Town
- https://www.town.shodoshima.lg.jp/kanko/miru/sangyo/yamasan.html
- Hishio no Sato Industrial Heritage, Shodoshima Town
- https://www.town.shodoshima.lg.jp/gyousei/kakuka/shogaigakushuka/2/1/3151.html
Last verified: 2026.07.10