(original source: Reddit: https://www.reddit.com/r/Akiya/comments/h77g5x/list_of_akiya_banks/)
List of Akiya Banks
Akiya Banks are vacant house databases provided by the local government. Not all prefectures and municipalities have them available online yet, and you might need to visit and contact the relevant government office directly in some cases.
Keep in mind most of those websites are available in Japanese only and all inquiries to the akiya banks contacts below must be written in Japanese only.
Comprehensive list of online Akiya Banks by prefecture:
Comprehensive list of online Akiya Banks by municipality: