Sakamoto Sohonten Shop: A Meiji-Era Storehouse Confectionery in Yokaichiba
Standing proudly along the historic highway that once connected Togane and Choshi in Chiba Prefecture, the Sakamoto Sohonten Shop is a striking two-story storehouse-style (kura-zukuri) commercial building dating from 1905. With its distinctive black lacquer plaster walls and traditional gabled roofline, this Registered Tangible Cultural Property offers visitors a rare glimpse into the prosperous merchant culture that once defined the Yokaichiba district of present-day Sosa City. Remarkably, the building continues to serve its original purpose as the home of Sakamoto Sohonten, a beloved confectionery shop founded in 1805 that has been producing traditional Japanese sweets for over two centuries.
Historical Background
The Sakamoto Sohonten confectionery business was established in 1805 (Bunka 2) during the late Edo period. At that time, the Yokaichiba area was known for its eggplant cultivation, and the shop's founders created a distinctive sugar-preserved eggplant confection called "Hatsuyume" (First Dream), which became one of their signature products.
The current shop building was constructed in 1905 (Meiji 38), during a period when Yokaichiba was flourishing as the economic and administrative center of the Toso region in eastern Chiba. The building was erected along the old highway linking Togane and Choshi, a major commercial route that attracted numerous merchants and financial institutions to the area. An ink inscription found on the underside of the main ridge beam records the year of construction and the name of the master carpenter, identified as a certain Oki, providing valuable documentation of the building's origins.
A pivotal moment in the shop's history came in May 1911 (Meiji 44), when the Crown Prince—later Emperor Taisho—visited the area. At the request of the prefectural governor, Sakamoto Sohonten created a new confection using locally grown peanuts, a specialty crop of Chiba Prefecture. This creation, known as "Rakka Senbei" (Peanut Crackers), was presented to the Crown Prince and has since become the shop's most celebrated product, continuing to be produced and sold to this day.
Designation as a Registered Tangible Cultural Property
The Sakamoto Sohonten Shop was registered as a national Registered Tangible Cultural Property (building) on July 8, 1999. The designation recognizes the building's significance as a well-preserved example of Meiji-era commercial architecture in the kura-zukuri (storehouse construction) style.
The registration was granted based on several key factors. The building is valued as an important surviving example of the historic streetscape that once characterized Yokaichiba. Until the mid-Showa period (around the 1950s–1960s), many storehouse-style buildings lined this stretch of the old highway, but most have since been demolished. Today, the Sakamoto Sohonten Shop stands as one of the few remaining structures that evoke the atmosphere of the town's prosperous past. Together with two other nearby registered cultural properties—the Arai Clock Shop (a Western-style early Showa commercial building) and the Tsuisendo Confectionery Shop—it forms part of a small but precious cluster of historic architecture along the Honmachi-dori shopping street.
Architectural Highlights
The Sakamoto Sohonten Shop is a two-story structure built in the kura-zukuri style, a traditional Japanese construction method originally developed for fireproof storehouses. The building features thick earthen walls finished with kuro-shikkui (black lacquer plaster), which gives the exterior its characteristic dark, lustrous appearance. This plastering technique not only provides a striking visual effect but also serves as protection against fire and moisture.
The building adopts a kirizuma-hiraiiri configuration, meaning it has a gabled roof with the entrance on the long side facing the street. The roof is covered with traditional kawara (ceramic tiles). The total building area is approximately 40 square meters. A prominent shop signboard reading "Sakamoto Sohonten" hangs from the eaves, maintaining the traditional merchant-house aesthetic that has characterized the building for well over a century.
The combination of robust storehouse construction with a welcoming commercial frontage demonstrates the dual priorities of Meiji-era merchants: protecting their valuable goods from fire while presenting an inviting face to customers along the busy highway.
Visiting Sakamoto Sohonten
One of the most appealing aspects of the Sakamoto Sohonten Shop is that it remains an active confectionery business, allowing visitors to experience a living piece of cultural heritage while sampling traditional Japanese sweets. The shop operates from 9:00 AM to 6:00 PM and is closed on Wednesdays.
Among the shop's specialties, the Rakka Senbei (Peanut Crackers) is the most popular item. These crackers are made with finely chopped peanuts sourced from Yachimata in Chiba Prefecture—regarded as producing the finest peanuts in Japan thanks to the area's volcanic Kanto Loam soil. The crackers are coated with a crystallized sugar glaze called "surimisu" and offer a distinctive blend of nutty flavor with a delicate sweetness. The shop's other celebrated product, Hatsuyume, features locally grown eggplants preserved in sugar, continuing a confectionery tradition that dates back to the shop's founding in 1805.
The shop is conveniently located approximately a five-minute walk from JR Yokaichiba Station on the Sobu Main Line. While visiting, take the time to stroll along the Honmachi-dori shopping street to see the other registered cultural properties in the area.
Surrounding Attractions
The Yokaichiba area and greater Sosa City offer numerous attractions worth exploring alongside a visit to Sakamoto Sohonten.
Just steps away on the same shopping street, visitors can admire the Arai Clock Shop (Arai Tokeiten), an early Showa-period Western-style commercial building with a distinctive neon sign reading "Tokei ha Arai" (Clocks by Arai) on its second-floor facade. Nearby is the Tsuisendo Confectionery, another registered cultural property consisting of a shop-residence and a stone warehouse built with Oya stone.
A short drive north of Yokaichiba leads to Hanko-ji Temple (Iidaka Danrin), a former Nichiren Buddhist seminary that was the oldest and largest of its kind during the Edo period. The temple grounds feature magnificent cedar forests and several nationally designated Important Cultural Properties, including its lecture hall, bell tower, and main gate. The site has also been used as a filming location for NHK period dramas.
Other notable attractions include Tenjinyama Park, which offers panoramic views of the city and the Kujukuri coastline from its hilltop observatory; the Sosa Tourist Product Center "Meguri no Sato" near Yokaichiba Station; the Komonzakura cherry tree planted in 1698 to commemorate a visit by Tokugawa Mitsukuni (Mito Komon); and the Matsuyama Garden Museum, a unique art space surrounded by beautiful maples and seasonal plantings.
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Q&A
- What is the Sakamoto Sohonten Shop best known for?
- Sakamoto Sohonten is best known as a confectionery shop that has been in business since 1805. Its most famous product is Rakka Senbei (Peanut Crackers), created in 1911 for a visit by the Crown Prince (later Emperor Taisho). The shop itself is a Registered Tangible Cultural Property, recognized for its Meiji-era kura-zukuri (storehouse-style) architecture with distinctive black lacquer plaster walls.
- How do I get to Sakamoto Sohonten?
- The shop is located approximately a five-minute walk from JR Yokaichiba Station on the Sobu Main Line. From Tokyo, take the JR Sobu Line to Yokaichiba Station. The shop is situated along the Honmachi-dori shopping street, northwest of the station. By car, take the Choshi Renraku-do expressway to Yokoshibahikari IC, then follow Route 126 toward Choshi.
- Can I buy confections at the shop?
- Yes, the shop is an active confectionery store operating from 9:00 AM to 6:00 PM, closed on Wednesdays. You can purchase their famous Rakka Senbei (Peanut Crackers), Hatsuyume (sugar-preserved eggplant), castella cakes, and other traditional sweets. Their products are also available at select department stores within Chiba Prefecture.
- Why was the building designated as a cultural property?
- The building was registered as a Tangible Cultural Property in 1999 because it is a valuable surviving example of the historic streetscape of Yokaichiba. Built in 1905 in the kura-zukuri (storehouse) style with black lacquer plaster, it is one of the few remaining structures from an era when many such buildings lined the old highway. An ink inscription on the ridge beam also provides rare documentation of its construction history.
- Are there other cultural properties nearby?
- Yes, the Honmachi-dori shopping street in Yokaichiba features two other Registered Tangible Cultural Properties within walking distance: the Arai Clock Shop, an early Showa-era Western-style commercial building, and the Tsuisendo Confectionery Shop, which includes a stone warehouse built with Oya stone. Together, these three properties create a charming historic streetscape.
Basic Information
| Name | Sakamoto Sohonten Shop (坂本総本店店舗) |
|---|---|
| Designation | Registered Tangible Cultural Property (Building) |
| Registration Date | July 8, 1999 |
| Year Built | 1905 (Meiji 38) |
| Structure | Kura-zukuri (storehouse style), two-story, tile roof, building area approx. 40 m² |
| Address | 2474 Yokaichiba-i, Sosa City, Chiba Prefecture 289-2144, Japan |
| Owner | Sakamoto Sohonten Co., Ltd. |
| Business Hours | 9:00 AM – 6:00 PM (Closed on Wednesdays) |
| Access | Approximately 5-minute walk from JR Yokaichiba Station (Sobu Main Line) |
| Phone | 0479-72-1325 |
References
- 坂本総本店店舗 – Cultural Heritage Online (文化遺産オンライン)
- https://bunka.nii.ac.jp/heritages/detail/192169
- 坂本総本店店舗 – Chiba Prefecture (千葉県)
- https://www.pref.chiba.lg.jp/kyouiku/bunkazai/bunkazai/q111-044.html
- 坂本総本店について – Sakamoto Sohonten Official Website
- https://sakamotosouhonten.com/about/
- 八日市場本町通り商店街の町並み – Chiba Official Tourism Site (ちば観光ナビ)
- https://maruchiba.jp/spot/detail_11021.html
- 国指定文化財等データベース – Agency for Cultural Affairs (文化庁)
- https://kunishitei.bunka.go.jp/bsys/maindetails/101/00001169
Last verified: 2026.03.28