Chojiya Store and Residence

What This Cultural Property Is

Chōjiya is a two-storey wooden townhouse with thick white-plastered walls, registered by the national government as a Registered Tangible Cultural Property (Building) on July 1, 2003. The structure measures roughly 119 square metres in floor area and dates from the late Edo period — somewhere between 1830 and 1867, making it close to two hundred years old. Its short-side gable faces the street in the classic tsumairi orientation favoured by Edo-period commercial architecture, and it once functioned as both shop and family home, with merchandise displayed at street level and living quarters tucked above.

Chōjiya was a long-established dyeing house and wholesaler that had traded in Ishioka since the late Edo era. Indigo (ai) was the colour of choice for everyday cloth in old Japan — workwear, futon covers, banners, festival garments — and the family business is said to have prospered considerably during the building's heyday.

Why It Was Designated a Cultural Property

The single most striking thing about Chōjiya is that it is still here at all. On the night of March 14, 1929 (Shōwa 4), a great fire swept through central Ishioka and consumed the overwhelming majority of the town's commercial buildings. Old photographs in the city archives show block after block reduced to ash. In the entire central district, Chōjiya was the only Edo-period merchant townhouse to survive intact — saved, in part, by the very feature that defined it: thick fire-resistant plastered walls, characteristic of dozō-zukuri storehouse construction.

The Agency for Cultural Affairs registered the building under the criterion that it "contributes to the historical landscape of the nation," recognising not only the rarity of an authentic Edo-period merchant house in this region but also the powerful cultural memory the building carries. After the fire, the rest of the street was rebuilt in the then-fashionable "kanban-kenchiku" (signboard architecture) style of the early Shōwa period, and many of those replacement shops are now registered cultural properties in their own right. Chōjiya is the older sibling — the lone Edo-era anchor around which a whole generation of Shōwa modernism grew up.

Architectural Highlights to Look For

Chōjiya rewards a slow look. From the street, the gable end greets you with a hipped roof at the front and a regular gable at the back, both clad in sangawara pantiles. A geya-bisashi sub-eave projects forward to shelter the shop front, while the upper storey is built in a low tsushi-nikai style — a half-storey loft typical of the late Edo period, used for storage and clerks' quarters rather than full living space.

The walls are the real headline. Heavy shikkui lime plaster wraps the building in luminous white, with deep-set windows and elaborate eaves carpentry that catches afternoon light beautifully. Inside, original timber posts and beams, a cool earthen-floored doma entrance, and pieces of merchant-era furniture survive in place. The garden courtyard at the rear, with its small storehouse, is the kind of quiet pocket that feels almost untouched by the surrounding city.

Visiting Chōjiya Today: Machikura Ai

Since 2004, the building has operated as a free public space called Machikura Ai (まち蔵 藍), run with support from Ishioka City and the local tourism association. Admission to view the building is complimentary, and inside you will find a casual tearoom serving matcha and coffee, displays on local history, a shop selling Ishioka-area products, and a tourist information corner with bilingual maps and rental cycles.

An indigo-dyeing experience using authentic aizome techniques has historically been offered on selected Saturdays, with handkerchief and scarf options at modest prices. This experience is sometimes paused for facility reasons, so we recommend phoning ahead in advance if dyeing is your main goal.

• Opening hours (March–October): 10:30 – 17:30
• Opening hours (November–February): 10:30 – 16:30
• Closed: Thursdays (the next day if Thursday is a national holiday) and December 29 – January 3
• Admission: free
• Free parking is available adjacent to the building

The Surrounding Neighbourhood

Half the pleasure of visiting Chōjiya is the walk to and from it. The Nakamachi shopping street is one of the finest concentrations of "kanban-kenchiku" (signboard architecture) anywhere in eastern Japan — flat-fronted early-Shōwa shops dressed up with copper sheeting, mortar reliefs, and Art Deco flourishes. Eleven of these post-fire reconstruction shops are themselves registered cultural properties, and most are within a few minutes' walk of Chōjiya.

Don't miss the Morito Bunshirō Shōten with its cool Art Deco facade, the Jūshichiya Footwear shop that was the very first kanban building rebuilt after the fire, the Hisamatsu Shōten with its restored copper plate front, and the cozy Kissaten Shiki with its Corinthian-style column capitals. The neighbouring Konpira Shrine, just a few steps from Chōjiya, is a quiet local guardian shrine well worth a brief visit. Slightly further afield, Ishioka was historically the seat of the provincial government of Hitachi Province, and the great Hitachi Sōsha-gū shrine — host of one of the Kantō region's most spectacular autumn festivals — lies a comfortable walk to the south.