From 1974 to today, from Yokohama to Lake Kawaguchi.
1974
- January: Toa Kaihatsu Co., Ltd. founded. Hotel Sanmarine opens
1981
- March: Toa Kaihatsu renamed Gorin Co., Ltd.
1989
- December: PREST Yayoidai opens
1990
- October: Gorin International Co., Ltd. established
1993
- December: PREST Hirama I opens
1995
- November: PREST Hirama II opens
1996
- August: PREST Mitsukyo and Muginawa Mitsukyo open
1997
- November: HANZ GOLF CLUB opens
2003
- May: PREST Kosugi opens
- July: HANZ Corporation established
- September: Gorin International renamed Sweat Co., Ltd.
2004
- August: PREST Kichijoji opens
2005
- July: BLESS Kurihama opens
- October: PREST Chigasaki opens
2010
- March: Kitchen Poco opens
- June: AGORA rental vegetable and fruit gardens open
2011
- July: HANZ HOUSE opens (Butsuko-cho osteopathic clinic and body conditioning for golfers)
2013
- April: SOFT HANDS Co., Ltd. established; HANZ HOUSE moves to it
- August: Hanz Osteopathic Clinic opens
- September: GRECO Co., Ltd. established; the first GRECO standing wine bar opens
2014
- May: second GRECO bar opens
- October: MURO earth-kiln bath opens
2015
- May: Bless studio and spa for women opens
- September: Hanz Stretch opens
2016
- April: Kawaguchiko guest house completed
2018
- January: second GRECO bar renamed Wine Kura GRECO
2019
- August: HANZ Outdoor Resort Co., Ltd. established
2020
- January: Sweat renamed HANZ Golf Co., Ltd.
- June: Glamping Villa HANZ Kawaguchiko opens (now HANZ Outdoor Resort)
- October: HANZ GOLF Tsuzuki opens
- December: GRECO merges into HANZ Outdoor Resort
2021
- April: HANZ PAO Yokohama opens
- June: third GRECO bar opens
2022–
- 2022 onward: to confirm