JAPAN DIY HOMECENTER SHOW 2026 will be held from 27 to 29 August 2026 at Makuhari Messe International Exhibition Hall in Chiba, Japan. It is one of Japan's largest comprehensive exhibitions for home living, bringing together DIY and home center merchandise as well as current market trends, with dedicated buyers' days and public opening days within the same edition.

The 2026 show is scheduled for business-focused attendance on the first two days, while 28 to 29 August include access for the general public. It is organised by Japan DIY・HC Association and planned across Halls 5 to 8 of Makuhari Messe. The 2025 edition recorded 66,340 total visitors over three days and 600 exhibitors across 1,209 booths, indicating its established role in Japan's DIY and home improvement trade network.