UCSB Housing, Dining, & Auxiliary Enterprises | 1,526 followers on LinkedIn. UCSB HOUSING, DINING & AUXILIARY ENTERPRISES provides housing and associated residential life services for UCSB's undergraduate student, graduate student and faculty population. While the majority of functions at UCSB operate during the traditional “40‐hour” workweek, HDAE operates on a 24‐hour daily basis throughout the year. The scope of the services offered can be compared to those of operating a small city.