Mark Your Calendars for Wednesday, May 22, 2024!
NoBo Corner Library will permanently close on Wednesday, May 22. Learn more about our NEW branch location and our closing celebration.

Monday, May 27 – All locations are closed for Memorial Day.
May 24 – 27 – The Boulder Creek Festival will take place in the Civic Area near Main Library. Parking at Main Library will be closed Friday – Sunday. Find out about service impacts, parking and how to attend.

Interlibrary Loan

For books and media requests

Use Prospector to search for and request items from Colorado and Wyoming libraries.

  1. Prospector is the fastest way to get library items from Colorado and Wyoming libraries.
  2. Place a hold on the item you want to borrow, using your Boulder Public Library card.
  3. In most cases, the item will arrive within a week from our library partners.