California State University San Marcos, The McMahan House


Providing full-service event management, CSUSM features the area’s most unique venue, The McMahan House, ideal for intimate retreats and events up to 150 guests. The beautiful, rustic facility provides a peaceful and comfortable retreat from daily life while offering all the convenient amenities that ensure a successful event.
The campus also offers classrooms, auditoriums and outdoor spaces for groups ranging from 5-2000.

Venue Location + Transportation


Event & Conference Services,

333 S. Twin Oaks Valley Road,

San Marcos San Marcos, 92076