Our Company's History

Tokunaga's 100-Year Journey

1923

In 1923, founder Esaburo Tokunaga established a construction contracting business as a sole proprietorship at 33 Yamate-cho, Naka-ku, Yokohama City, focusing on the construction of Western-style shops and homes in the Yamate area.

1935

In the same location, Tokunaga Construction Co., Ltd. was founded in 1935, with Esaburo Tokunaga serving as the representative director. The company expanded its business, primarily focusing on the construction and sale of pre-built homes.

1945

In 1945, the office and factory were relocated to 220 Yamashita-cho, Naka-ku, Yokohama City (now the site of the New Tokunaga Building), and the company began selling building materials such as lumber and roof tiles.

1946

Amid a shortage of building materials in the post-war period, the lumber business was expanded, contributing to regional recovery efforts.

1950

In 1950, construction contracting for foreigner-exclusive residences began in the Sankeien and Yamate areas, pioneering the construction of Western-style mansions for foreigners.

1953

In 1953, the company started construction and rental business for housing primarily serving the U.S. military personnel in Japan.

1956

In 1956, Tokunaga Building was constructed at 82 Yamashita-cho, Naka-ku, Yokohama City, and the company ventured into the office building rental business.

1957

In 1957, the company began construction and rental business for housing primarily serving the U.S. military personnel in the Minami-Rinkan area of Yamato City.

1961

Started the business of land and property surveying.

1962

Established a subsidiary, "Owners Trading Co., Ltd.," in Minami-Rinkan, Yamato City, and began the real estate business in the Yamato area.

1966

Relocated the head office to 82 Yamashita-cho, Naka-ku, Yokohama City (currently Tokunaga Building), and established "Tokunaga Kensetsu Kogyo Co., Ltd." with a capital of 5 million yen. Keiji Tokunaga assumed the position of the first representative director.

Discontinued the construction contracting business and changed the main business activities to architectural design and supervision, as well as rental housing. Obtained a license for real estate transaction business (License No. 2336 issued by the Governor of Kanagawa Prefecture) and started the real estate department.

1968

Established a showroom within Tokunaga Building and started selling fine art and craft castings, as well as various building materials.

Started property management services for foreigner-exclusive residences, primarily in the Yamate area.

1977

Changed the company name to "Tokunaga Building Co., Ltd." (existing as a separate company to the present day) and shifted the main business to real estate leasing.

Established "Tokunaga Kensetsu Kogyo Co., Ltd." as a new company with a capital of 5 million yen, focusing on real estate and architectural design. Obtained a license for real estate transaction business (No. 8990 issued by the Governor of Kanagawa Prefecture). Keiji Tokunaga assumed the position of the first representative director.

1982

Founder Mr. Esaburo Tokunaga passes away.

1984

The capital is increased to 10 million yen (ongoing).

1994

Mr. Fukuji Tokunaga assumes the position of CEO.

2003

The Real Estate Sales and Consulting Department and the Interior Construction Division are established.

2005

The company name is changed to "Tokunaga Real Estate Co., Ltd." (ongoing).

2013

Celebrating the 90th anniversary of the founding.

Mr. Saburo Tokunaga assumes the position of CEO of Tokunaga Building (transitioning to the third generation).

2023

Celebrating the 100th anniversary of the founding.

The Development Division is established.