Building Hours

Main entrances to buildings on the Science and Technology Campus are unlocked as follows:

Colgan Hall
Monday – Friday: 6 a.m. to 11 p.m.
Saturday: 7 a.m. to 8 p.m.
Sunday: 7 a.m. to 7 p.m.

Bull Run Hall
Monday to Friday: 7 a.m. to 11 p.m.
Saturday: 7 a.m. to 4 p.m.
Sunday: Closed

Discovery Hall
Monday to Friday: 8 a.m. to 5 p.m.
Saturday/Sunday: Closed

Institute for Advanced Biomedical Research
Monday to Friday: 6 a.m. to 8 p.m.
Saturday/Sunday: Closed

Card swipe access when buildings are closed must be arranged through Mason Police. Please direct questions concerning building access to department access coordinators or the Card Access Security Office (caso@gmu.edu).

For questions regarding building access, contact Mason Police at 703-993-2810.