What the Main House Is

The Uno Family Residence Main House (宇野家住宅主屋, Uno-ke Jūtaku Shuoku) in Kitamachi, Kaizuka City, Osaka Prefecture, is a large Machiya townhouse of the late Edo period (1830 to 1867) that became a Registered Tangible Cultural Property on March 18, 2003. It is a single-storey wooden building with a tiled roof and a building area of 374 square meters, and it has an earthen wall attached.

The house stands toward the northwest of a property facing the old Kishū Kaidō highway. Kaizuka City gives its size as 9 ken along the ridge by 7 ken deep, a ken being a traditional unit of roughly 1.8 meters.

Built After the Ansei Earthquake

Tradition holds that the Uno Family Residence Main House was built after the Ansei earthquake. Kaizuka City identifies it as the Ansei Nankai earthquake of 1854.

Both the Agency for Cultural Affairs and the city frame this as tradition rather than record, and neither cites a document that fixes the year of construction. The Agency's database dates the house only to the late Edo period.

What the Agency valued in registering it was the scale of the townhouse and how well its interior survives. It is listed as register no. 27-0219, on the criterion that it contributes to the historic landscape of the country.

Great Beams over the Earthen Floor

The Agency singles out two features of the Uno Family Residence Main House: the heavy beam framing above the Doma earthen-floored work area, and the Zashiki reception rooms on the north side.

A single storey spread over 374 square meters means a house that grew outward rather than upward. Over the doma, thick beams carry that broad 9-by-7-ken plan.

The Agency's notes on the tea house add a glimpse of the rear. North of the Buddhist altar room, a Tsunoya wing projects from the main house and holds a small tea room of its own. The separate tea house is reached by a covered corridor from the reception room at the northeast corner.

Seeing the Main House

The interior of the Uno Family Residence Main House is not open to the public, so the beam framing and the north reception rooms cannot be visited.

The street front can be seen from the western side along the old Kishū Kaidō, with the registered high wall continuing to the north. Access and visiting conditions for the whole property are on the Uno Family Residence page.

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Q&A

QWhen was the Uno Family Residence Main House built?
AIn the late Edo period (1830 to 1867). Tradition says it was built after the Ansei Nankai earthquake of 1854.
QHow large is the Uno Family Residence Main House?
AIt is a single-storey wooden building with a building area of 374 square meters. Kaizuka City describes it as a large townhouse measuring 9 by 7 ken.
QWhen did the Uno Family Residence Main House become a Registered Tangible Cultural Property?
AOn March 18, 2003, as register no. 27-0219, on the same day as the tea house, both storehouses and the high wall.
QWhat should I look for at the Uno Family Residence Main House?
AThe Agency for Cultural Affairs points to the massive beam framing over the earthen floor and the well-preserved reception rooms on the north side.
QCan I go inside the Uno Family Residence Main House?
ANo. The Uno Family Residence is a private home and is not open to the public. The street front can be seen from the old Kishū Kaidō.

Basic Information

NameUno Family Residence Main House (宇野家住宅主屋)
Location17-17 Kitamachi, Kaizuka City, Osaka Prefecture
DesignationRegistered Tangible Cultural Property (Building), register no. 27-0219
Year DesignatedRegistered March 18, 2003
Quantity1 building
DimensionsSingle-storey wooden building, tiled roof, building area 374 square meters, with earthen wall
OwnerPrivate owner
Public AccessNot open to the public. Street front visible from the old Kishū Kaidō

References

Database of National Cultural Properties: Uno Family Residence Main House (Agency for Cultural Affairs)
https://kunishitei.bunka.go.jp/heritage/detail/101/00003274
Cultural Heritage Online: Uno Family Residence Main House
https://online.bunka.go.jp/heritages/detail/116154
Uno Family Residence (Kaizuka City)
https://www.city.kaizuka.lg.jp/bunkazai/bunkazaidata/bunkazai/kuni_sitei/tourokubunkazai/unoke.html

Last verified: 2026.09.26