University Hall housed the Mitaka Research Institute of Nakajima Hikoki before the war. Completed in 1952, a fourth floor was added to the original structure. The outer walls were refurbished in 2003. The building houses classrooms and study rooms, as well as the Social Science Research Institute, the Institute of Asian Cultural Studies, the University of California Tokyo Study Center, the Sacred Music Center and the Clinic.

Design: W.M. Vories & Company

Construction: Taisei Corporation

Completed in 1978, it contains the faculty. The Institute for the Study of Christianity and Culture, the Institute for Educational Research and Service, the Peace Research Institute, the Center for Gender Studies, the Rotary Peace Center, are also located in this building.

Design: Akira Inatomi

Construction: Takenaka Corporation

he Education and Research Building II was added in 1991. It houses faculty offices and Japanese Language Programs(JLP) as well as the Research Center for Japanese Language Education.

Design:Shin Kenchiku Sekkei Jimusho

Construction: Taisei Corporation

Completed in 1967, the Science Hall is the center of education and research in the field of natural sciences, accommodating classrooms, laboratories, computer facilities, and faculty offices. In addition to an NMR, electronic microscopes, mass spectrometer, and laser microscopes, a biotron is installed in a separate building.

Design: Akira Intatomi

Construction: Takenaka Corporation

The Center was completed in 1981 as a communal facility. It houses classrooms, Digital Media rooms, a teaching materials development room, psychology laboratories, linguistic research laboratories, faculty studies and offices.

Design: K. Kozo Kenkyujyo

Construction: Taisei Corporation

The Museum opened in 1982 to commemorate Dr. Hachiro Yuasa, the founding president of ICU. He donated some 5,300 items from his Japanese folk art collection. The Museum has a permanent display of folk art from around Japan including ceramics, textiles and wooden objects. It also holds three of four special exhibitions annually on specific themes. Archaeological remains from the Paleolithic through the Jomon eras have been found throughout the ICU campus grounds. Excavated items include clay pots, stone tools and a reconstructed stone floor on permanent display in the Museum. The Museum is open to the public and also holds lectures.

Design: Mayekawa Associates, Architects & Engineers

Construction: Taisei Corporation

Completed in 1972, the Physical Education Center is equipped with rooms for ball sports, martial arts and weight training, as well as an indoor swimming pool. Faculty offices of the Department of Health and Physical Education and lockers/showers are located in the Central Locker Building, built in 2001. Outdoor facilities include tennis courts, baseball, soccer and rugby fields, archery field and camping grounds.

Gymnasium and indoor pool

Design: Akira Inatomi

Construction : Takenaka Corporation

Central Locker

Design : W.M.Vories & Company Architects Ichiryusha

Construction : Takenaka Corporation

Completed in 1958, the three-story Diffendorfer Memorial Hall East Wing is named in honor of Dr. Ralph E. Diffendorfer, who contributed greatly to the founding of ICU. It serves as a community center for faculty and students, housing an auditorium, student clubrooms and the Religious Center. The West Wing was completed in 2000. The four-story building houses a soundproofed music room in the basement, lounge, cafeteria and multi-purpose hall on the first floor, store and conference rooms on the second floor, and student club rooms on the third and fourth floors.

East Wing

Design : W.M. Vories & Company

Construction : Taisei Corporation

West Wing

Design :W.M.Vories & company architects Ichiryusha

Construction : Taisei Corporation

The ICU Chapel was completed in 1954. A pipe organ constructed by Rieger Organs of Austria was installed in 1970. Matriculation and other ceremonies, as well as chapel hour, are held in the Chapel. Services of the ICU Church, which are independent from the university, are open to the local community.

Design: W.M. Vories & Company, Raymond Architectural Design Office Inc.

Construction : Taisei Corporation

The building was completed in 2000 to house the Alumni Association. The Admissions Center is located on the 1st floor, and the Alumni Association Office and the Alumni Lounge on the 2nd floor.

Design: Design: Raymond Architectural Design Office, Inc.

Construction: Iwamotogumi Co., Ltd.

Completed in 1978, the building accommodates the President’s Office, other administrative offices and meeting rooms.

Design: Raymond Architectural Design Office, Inc.

Construction: Taisei Corporation and Takenaka Corporation

"Ichijojiki"

The Taizanso in the Japanese garden has a history preceding ICU’s foundation. The tea house “Ichijojiki” is associated with Takejiro Matsuura (1818-1888), who pioneered expeditions in Hokkaido.

New dormitory: Zelkova House

ICU has twelve student dormitories for undergraduate and graduate students on campus where students can enjoy the ever-changing beauty of the four seasons in the Musashino area.

The ICU Institute for Advanced Studies of Clinical Psychology , faculty residences etc, are also located on campus.

During the summer, students use the Sanbiso Retreat and Miki House near Karuizawa, Nagano Prefecture and the Nasu Campus in Tochigi Prefecture for extra-curricular activities.