Koizumi Shuzo (小泉酒造合資会社)

Koizumi Shuzo is a sake brewery in Futtsu, Chiba, at the foot of Mount Kano, making the Tokai and Tokaizakari sake. It also runs a tasting and sales facility, Sommelier House Sakasho no Yakata, next to the brewery. It was founded in 1793.

What kind of brewery is Koizumi Shuzo?

In 1793 Koizumi Heizo, who had been granted the right to bear a surname and sword, founded the brewery at the foot of Mount Kano. In the early Meiji era Genzo took over the family and expanded the business, and the earthen-walled brewery building from that time still stands. In the early Showa era the owner Issuke built a refrigerator inside the brewery for strict temperature control and devoted himself to ginjo brewing. Today the owner serves as toji, brewing with rice grown by the brewery and brewing water from the Kano mountains. The Sommelier House opened in 1996.

Water
Brewing water comes from the Kano mountain water system, drawn from a dedicated well.
Ingredients
The brewery grows the sake rice Fusanomai in its own fields.
Master brewer
The company president himself works as toji, a member of the Nanbu Toji Guild.
Style
All ginjo and higher grades are bottle-pasteurized.

Can you visit Koizumi Shuzo?

  • ToursOffered
  • Shop

    At Sommelier House Sakasho no Yakata you can taste around 20 kinds of sake and buy them, and view the brewery through a window.

  • Tasting & food

    It is open 9:00 to 17:00 (the Sommelier-an cafe 10:00 to 16:00) and closed on January 1.

Hours and booking rules change, so check before you go. Official website

Other brewery tours in Chiba

Compiled with AI from public pages, mainly the brewery’s own site (not yet checked by the brewery)Sources: sommelier.co.jp

Japan Sake Awards

A prize-winner in 9 of the 9 contests from brewing year 2017 to 2025, with a gold prize in 8.

  1. Gold prize東魁盛PDF
  2. Gold prize東魁盛PDF
  3. Gold prize東魁盛PDF
  4. Gold prize東魁盛PDF
  5. Gold prize東魁盛PDF
  6. Gold prize東魁盛PDF
  7. Prize (nyusho)東魁盛PDF
  8. Gold prize東魁盛PDF
  9. Gold prize東魁盛PDF

Source: the prize lists of the Japan Sake Awards (National Research Institute of Brewing and Japan Sake and Shochu Makers Association). Brewing year 2019 had no final judging, so no gold prizes.

For breweries and distilleries: corrections and removal requests

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