Library Hours and Events

Library Building Hours

Contact Library Services

Call: (760) 750-4348

Fall Semester, August 26 - December 16

Monday - Thursday 7AM-12AM
Friday 7AM-5PM
Saturday 9AM-5PM
Sunday 12PM-12AM


Monday, September 4 Labor Day
Friday, November 10 Veteran's Day Observed
Wednesday, November 22 Early Close 8:00pm
Thursday - Saturday, November 23-25 Closed - Thanksgiving

View hours in calendar format

Ways to get Research Help

Chat reference is available 24/7. On evenings and weekends, a non-CSUSM librarian may respond to chat questions.



In person reference is available M-F 10am-3pm,except for holiday closures. Please visit 3rd floor Checkout Desk and ask to speak with a Librarian.


Telephone: (760) 750-4391


Email your subject librarian at any time for specialized help (expect a 24-48 hour turnaround time).

For general research questions email us at


For holidays and early closures, refer to Library Building Hours.