A House Built in 1930 at Mikajiri
The Former Chida Tadashi Residence Main House (旧千田正家住宅主屋, Kyū Chida Tadashi-ke Jūtaku Shuoku) is a two-story wooden dwelling at Mikajiri in the town of Kanegasaki, Isawa District, Iwate Prefecture, completed in 1930 and entered on Japan's register of Tangible Cultural Properties on 27 March 2018 under registration number 03-104.
The house faces south. Its roof is covered in thin metal sheets laid in a diamond pattern, a technique called hishi-buki, and the Agency for Cultural Affairs records a building footprint of 92 square meters. On the ground floor a ten-mat zashiki, the formal room where guests were received, opens into a seven-and-a-half-mat tsugi-no-ma beside it. An engawa veranda runs along the south and continues around the west. Kitchen and dining space, along with the entrance, occupy the eastern end. Two more tatami rooms sit upstairs.
Walk around to the east side and the vocabulary changes. The lower half of that wall is finished in mortar rather than boards, and a round window is set into it. Look up at the eaves anywhere on the building and you will find no exposed rafters: the soffit is boarded flat, a treatment carpenters call ita-noki. These are small decisions, but they are the reason the registration file singles this house out.
The family who built it had been in the area for generations. The Chida had moved to Mikajiri from Mizusawa and grew prosperous running freight boats on the Kitakami River. Chida Tadashi (千田正, 1899 to 1983) was born here on 28 April 1899. He took a commerce degree at Waseda University in 1925, then studied at Heidelberg College in Ohio, finishing in 1927. The house went up three years after he came home.
Why the Register Took It In
Japan's Registered Tangible Cultural Property system, introduced in 1996, covers buildings roughly fifty years old or more that merit protection without the tight controls that come with formal designation. Owners keep using their properties and notify the government before major alteration. Three criteria exist, and the criterion cited for this house is the one reserved for buildings that serve as a standard of form and design.
That phrasing rewards the east elevation. Rural Iwate houses of the 1920s and 1930s rarely reached for mortar and a circular opening. The plan inside stays thoroughly Japanese, with the zashiki and tsugi-no-ma arranged in the way any visitor of the period would have expected, while the outer skin picks up finishes then associated with the city and with the West. Whether Chida's years in Ohio shaped the brief is not documented, but the sequence of dates is hard to ignore.
Two other buildings on the same grounds joined the register on the same March day in 2018. One is the plank storehouse standing just north of the house, registered as number 03-105. The other is the reception wing of the old official residence of the Governor of Iwate, put up in 1909 and later moved here. Kanegasaki town had opened the Chida Tadashi Memorial Museum on the site in 1995, and the registration of all three buildings was celebrated with a performance of Mikajiri shishi-odori, the local deer dance.
Chida's own career explains why a town of about 15,000 people maintains a museum around his house. He won a seat in the House of Councillors in 1947 as an independent and held it for three terms until 1962. In 1963, at sixty-four, he was elected Governor of Iwate and served four consecutive terms through 1979, a stretch that covered the campaigns to bring the Tōhoku Expressway and the Tōhoku Shinkansen to the prefecture. He died on 5 February 1983.
What to Look For on the Grounds
Start with the roof. Diamond-pattern metal roofing was a modern material when this house was built, and from an angle the small overlapping plates catch light differently across the slope than ordinary standing-seam work does. It also tells you something about the region: heavy snow, and an owner willing to pay for sheet metal instead of thatch or shingle.
Then the round window. It sits low, in the mortar band, and reads almost as a signature. Photographs rarely do justice to how odd it looks against the timber above it.
Inside, the ten-mat zashiki is worth standing in for a minute. With the engawa on two sides, light arrives from the south and from the west at different hours, and the room was clearly planned around that. The boarded eaves cut the glare on the veranda in a way exposed rafters would not.
The plank storehouse to the north is registered in its own right and is normally viewed from outside. Between the two buildings you get a compact lesson in how a well-off rural household of the early Shōwa era divided its architecture: display and daily life in the house, grain and goods in the storehouse.
Practical matters. The buildings are open to the public as the Chida Tadashi Memorial Museum, run by Kanegasaki town, and admission has been free. Published opening information gives Fridays, Saturdays, Sundays and national holidays from May through October, 10:00 to 16:00, with a small car park on site. Those details have shifted in the past, so confirm with the town office (0197-42-2111) before travelling. The site is in farmland north of the town center: roughly a thirty-minute walk from Rokuhara Station on the JR Tōhoku Main Line, or about ten minutes by car from the Kitakami-Kanegasaki interchange of the Tōhoku Expressway. Photography of the exteriors is generally unproblematic; ask staff about interiors and about the exhibited papers and personal effects, which are handled under museum rules.
If you are already visiting Kanegasaki for the Jōnai Suwakōji preservation district and its samurai houses, this is a different chapter of the same town, five kilometers and two centuries away.
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Q&A
- Can visitors go inside the Former Chida Tadashi Residence Main House, and what does it cost?
- Yes. The house is the core of the Chida Tadashi Memorial Museum operated by Kanegasaki town, and admission has been free. Published hours are 10:00 to 16:00 on Fridays, Saturdays, Sundays and national holidays from May through October. Because the schedule is seasonal and has changed before, call the town office on 0197-42-2111 to confirm before you go.
- When was the Former Chida Tadashi Residence Main House built, and when did it become a Registered Tangible Cultural Property?
- The house dates from 1930. It was registered on 27 March 2018 as registration number 03-104, in the eighty-ninth round of registrations, together with the plank storehouse behind it and the relocated wing of the former Iwate governor's official residence.
- What makes the Former Chida Tadashi Residence Main House architecturally unusual?
- The interior follows an entirely conventional Japanese plan, with a ten-mat zashiki and a seven-and-a-half-mat tsugi-no-ma served by a veranda on two sides, while the outside mixes in Western-derived finishes: mortar on the lower east wall, a round window set into it, and boarded eaves soffits. The registration criterion applied to it is the one for buildings that stand as a model of design.
- Who was Chida Tadashi, the man the Former Chida Tadashi Residence is named after?
- Chida Tadashi (1899 to 1983) was born at Mikajiri into a landowning family that had run river freight on the Kitakami. He graduated from Waseda University in commerce in 1925 and studied at Heidelberg College in Ohio until 1927. He served three terms in the House of Councillors from 1947 and four terms as Governor of Iwate from 1963 to 1979.
- How do I reach the Former Chida Tadashi Residence Main House from a train station?
- The site is at Yachinaka 98, Mikajiri, Kanegasaki, in farmland north of the town center. Rokuhara Station on the JR Tōhoku Main Line is about a thirty-minute walk away, and Kanegasaki Station is a short taxi ride. Drivers reach it in roughly ten minutes from the Kitakami-Kanegasaki interchange of the Tōhoku Expressway. A small car park serves the site.
- Is the Former Chida Tadashi Residence Main House near other cultural properties in Kanegasaki?
- Yes. The registered plank storehouse stands on the same grounds, a few steps north. Kanegasaki also holds the Jōnai Suwakōji Important Preservation District for Groups of Traditional Buildings, a samurai quarter of the Sendai domain's northern frontier, and the registered Rokuhara army remount depot buildings elsewhere in town.
Basic Information
| Name | Former Chida Tadashi Residence Main House (旧千田正家住宅主屋) |
|---|---|
| Location | 98 Yachinaka, Mikajiri, Kanegasaki, Isawa District, Iwate Prefecture |
| Designation | Registered Tangible Cultural Property (Structures), registration no. 03-104 |
| Year Designated | Registered 27 March 2018 (89th round) |
| Quantity | 1 building |
| Dimensions | Wooden, two stories, metal-sheet roof; building footprint 92 m2 |
| Owner | Town of Kanegasaki |
| Public Access | Open as the Chida Tadashi Memorial Museum; reported hours Fri, Sat, Sun and national holidays, May to October, 10:00 to 16:00; admission free. Confirm with Kanegasaki town office, 0197-42-2111. |
References
- National Cultural Properties Database, Agency for Cultural Affairs: Former Chida Tadashi Residence Main House
- https://kunishitei.bunka.go.jp/heritage/detail/101/00012084
- Cultural Heritage Online: Former Chida Tadashi Residence Main House
- https://online.bunka.go.jp/heritages/detail/431803
- National Cultural Properties Database, Agency for Cultural Affairs: Former Chida Tadashi Residence Itakura Storehouse
- https://kunishitei.bunka.go.jp/heritage/detail/101/00012085
- Kanegasaki Town Office: facility guide, tourism, culture and sports facilities
- https://www.town.kanegasaki.iwate.jp/map/index_bunya@shisetsu@kanko_bunka_sports.html
- Koho Kanegasaki, July 2025 issue, page 20 (town chronology, 2018 registration)
- https://www.town.kanegasaki.iwate.jp/articles/2025071600032/file_contents/p20.pdf
- Kotobank: Chida Tadashi (Dictionary of Politicians, Meiji to Showa)
- https://kotobank.jp/word/千田正-1676976
Last verified: 2026.08.06