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Walter W. Stiern Library: Hours



May 19 - May 28, 2018

Mon - Thur, 8AM - 5PM
Friday, Saturday, Sunday: CLOSED
Exception to Above:
Monday, May 28, Memorial Day CLOSED

May 29 - Aug 19, 2018
Mon - Thur: 8AM - 5:30PM
Fri, Sat, Sun: CLOSED

Exception to Above:
Wed, July 4, Independence Day CLOSED

Aug 20 - 26, 2018
Mon - Fri: 8AM - 5PM
Sat & Sun: CLOSED

The 24-Hour Study Room is open only when the library is open during the Summer.



Fall Semester hours will be posted at a later date.​

Walter's coffee and snack bar logoWalter's Coffee and Snack Bar

Need a snack? Check out Walter's! Snacks, salads, sandwiches, and coffee are available without having to leave the library!

Spring 2018 Hours

Monday - Thursday: 9:00 am - 9:00 pm

Friday & Saturday: Closed

Sunday: 4:00 pm - 8:00  pm


24 Hour Study Room

Need a place to study after the library is closed? Use the 24 hour study room! 

The 24 hour study room is always open, whether the library is open or not. If the library is closed, you can enter the 24 hour study room via the lower level west entrance with your CSUB ID card.

24 hour room entrance

Library Tutoring Center

Spring 2018

Science Tutoring: Tuesday 4-6 pm; Wednesday 1-3 pm

Writing Tutoring: Monday 10:30-12:30 pm; Friday 1-3 pm

Contact the Library

Check-out Desk

Call: 661-654-3172

Research Help

Call: 661-654-3231

Reference Desk hours (in-person help on the first floor of the library):

Monday - Thursday 9:00 am - 8:00 pm

Friday 9:00 am - 5:00 pm

Saturday 9:00 am - 4:30 pm (closed 1-2 pm)

Sunday 12:00 pm - 9:00 pm (closed 4-5 pm)

After hours research help: