| Location： | Yokohama, Kanagawa |
| Completion Date： | 2020 |
| Building Type： | City Hall |
| Site Area： | 13,142m² |
| Total Floor Area： | 142,582m² |
| Location： | Nagano, Nagano |
| Completion Date： | 2016 |
| Building Type： | City Hall (+Theater, Music Hall) |
| Site Area： | 13,004m² |
| Total Floor Area： | 15,980m² (+Nagano Performing Arts Center 12,483m²) |
| Location： | Machida, Tokyo |
| Completion Date： | 2012 |
| Building Type： | City Hall |
| Site Area： | 16,153m² |
| Total Floor Area： | 41,510m² |
