As a Membership
About Facilities Tours
As a Business
About Site Visits
At Kosugiyu Tonari, we offer free tours of our facility for those interested in becoming members. Please apply using the form below.
* For site visits or guest speaking requests, please see this page.
In addition to tours for prospective members, we also offer paid site visits for others who wish to learn more about Kosugiyu Tonari.
If you are interested, please fill out the form below with:
- The type of visit you would like
- Your preferred dates (up to three options)
Please note that site visits hosted by our founder have limited availability, so we recommend early scheduling.
A cancellation fee of 50% will be charged for cancellations made within three days of the scheduled visit, and 100% will be charged for same-day cancellations.
Guide by Staff General Site Visit | Guide by Manager/Supervisor Special Site Visit | Guide by Founder Group Visit | |
|---|---|---|---|
| Duration | 30 minutes | 30 minutes | 60 minutes |
| Content | Facility tour | Facility tour & operational Q&A | Facility tour & Q & A regarding projects, processes, and urban development |
| Fee | ¥2,200 per person (tax included) | ¥5,500 per person (tax included) | Up to 4 people: ¥55,000 (tax included) ¥11,000 for each additional person (tax included) |
| Max Group Size | Up to 3 people | Up to 5 people | Up to 10 people |
At Kosugiyu Tonari, we offer a private rental plan for the entire facility exclusively on our regular closing day, Thursdays.
Please note that availability will be finalized upon consultation, as we may need to coordinate with other events.
Feel free to contact us first to discuss your preferred dates.
If you are interested, please fill out the form below with:
- Your preferred dates (up to three options)
- Desired rental hours (including setup and cleanup time)
- A brief description of the planned event
Please note that cancellations made within 7 days of the reservation date, including the day of use, will incur a 100% cancellation fee.
Rental Type
Entire building rental (1st Floor: 48㎡ / 2nd Floor: 48㎡ / 3rd Floor: 30㎡)
Available Hours
Thursdays, 9:00 AM – 10:00 PM
Rental Fees
1 hour: ¥30,000 / 3 hours: from ¥70,000
* If you wish to use the kitchen, an additional ¥20,000 per day will be charged.
Capacity
Approx. 40–50 people for the entire building
Examples of Use
Talk events, workshops, recruitment events, yoga classes, shogi or rakugo gatherings, and more.
For rentals longer than 3 hours or if you wish to use both the 1st and 2nd floors together, please mention this when you inquire.
Please ensure that you understand the concept of Kosugiyu Tonari before using the space.
You can download detailed information on available equipment and example cases below:
Kosugiyu Tonari Space Rental Guide
At Kosugiyu Tonari, our founder offers lectures, workshops, and writing engagements.
Through the story of how Kosugiyu Tonari was launched — from planning and design to operation — we share practical insights on building diverse, multi-generational teams, creating communities with healthy levels of involvement, and revitalizing vacant spaces using local resources.
If you are interested in a guest lecture or workshop, please fill out the form below with:
- Preferred dates and times (up to three options)
- Venue details (address or online)
- A brief overview (purpose, audience, honorarium, etc.)
If you would like to request an article or other writing, please include:
- Deadline
- Word count- A brief overview

加藤 優一
Yuichi Kato
Architect / CEO of Sento Gurashi / Full-time Lecturer at Tohoku University of Art & Design / Co-Representative Director of Mogami no Kurashisha.
Born in 1987 in Yamagata Prefecture, Kato withdrew from the doctoral program at Tohoku University before completion.
Focusing on the integration of design and management, he leads projects such as Kosugiyu Tonari, a shared space connected to a public bathhouse, and revitalization initiatives for vacant houses utilizing local resources.
His notable architectural works include the Saga Jonai Area Renovation and the Revitalization of the Former Fuji Elementary School.
His main publications include Creative Local, Working Across Multiple Bases, and Community Development Inspired by Sento.
* Sales or marketing inquiries are not accepted.