Your Library Account

Apply for a Temporary Account

Bring a picture ID and documentation of your Colorado mailing address to any library location to open your account.
Documentation may include:

  • Driver’s license
  • Postmarked mail addressed to you
  • Car registration in your name
  • Copy of a current lease

Cardholder responsibilities include:

  • Returning all materials borrowed on your card by the due date or paying late fees.
  • Paying replacement fees for library items lost or damaged in your care. Your account may be referred to a collection agency if materials become five weeks overdue.
  • Immediately reporting a lost or stolen card.
  • Reporting any changes to your address, phone number or email address to the library.
  • Adhering to these responsibilities if you lend your card to someone else.

Lost or stolen library cards:

If your card is lost or stolen, call 303-441-3100 or come to any location to report it. We require a photo ID to replace library cards.

Regular Account
A regular account is good for five years and allows you to:

  • Check out materials (including books, DVDs, CDs and audiobooks) from any branch
  • Access streaming & downloadable media (ebooks, audiobooks, music, movies, magazines) and library databases outside the library
  • Place holds on Flatirons Library Consortium, Prospector and Interlibrary Loan materials

Start the process with a temporary account today. Upgrade it next time you visit. Note that some materials and services are available only to City of Boulder and Boulder County residents.

Temporary Account
A temporary account is good for two weeks. You will have limited remote access to library resources. Apply for a temporary account. To upgrade to a regular account, bring your photo ID and proof of mailing address document and visit any library branch.

Courtesy Account
A courtesy account is for those who have a photo ID but no Colorado mailing address documentation, have a General Delivery address, or are temporarily residing at the Boulder Shelter for the Homeless. A courtesy account is good for three weeks. You may check out up to three physical items, and you have remote access to:

All other borrowing policies apply.

Juvenile’s Account
Library patrons under the age of 12 must have parental approval to open an account. Parents or guardians are responsible for library items and any late fees and lost or damaged item charges incurred by children under the age of 18. Children must be present in order to be issued a library card and open an account.

Senior Account
Patrons who are 60 years old or older and live within the City of Boulder qualify. Senior accounts are exempt from late fees on Library materials, except for NOOK eReaders. However, lost or damaged item charges, collection agency fees, and late fees on items from other Flatiron’s Library Consortium member libraries and Prospector still apply.

Educator Account
Educators in the Boulder Valley School District, and preschools, private schools and home-schools in Boulder County may apply for an Educator account and benefit from educator resources.  With an Educator Account, patrons are able to hold up to 20 books and check out up to 40 books for six weeks. Educator accounts are exempt from late fees. However, lost or damaged item charges, collection agency fees, and late fees on items from other Flatirons Library Consortium members and Prospector still apply.

Most accounts allow the following number of items checked out at any one time. “Your Lucky Day” materials and Investikit are not renewable.

Material Type Limit Loan Period Renewal
Books 40 3 weeks Yes
Audio Books 15 3 weeks Yes
Music CDs 10 3 weeks Yes
DVDs 10 1 week Yes
Magazines 10 1 week No
books & music
4 2 weeks No
Books in a Bag 1 6 weeks No
Wii Games 1 1 weeks No
NOOK™ 1 3 weeks No
Investikit 1 3 weeks No

See borrowing exceptions for Courtesy, Senior and Teacher accounts and Books in a Bag kits.

Late Fees

Material Type Late Fees
per day
Maximum Late Fee
Books $0.20 $5.00
Audio Books $0.20 $5.00
Music CDs $0.20 $5.00
DVDs $1.00 $10.00
Magazines $0.20 $5.00
Downloadable audio
books and music
No late fees No late fees
Books in a Bag $1.00 $10.00
Wii Games $1.00 $10.00
NOOK™ $5.00 $50.00
Investikit $0.20 $5.00

Interested in renewing a something? Eligible items may be renewed up to two times if before the due date. Renew items in person, by accessing your account online, or by telephoning 303-441-3100. You will need your library card number to renew items. Prospector items are not eligible for renewal using the automated telephone renewal system. Please call the number above or stop by the Main library, or the Meadows or Reynolds branch libraries during business hours.

Returning Items
You can return any library items belonging to the Flatirons Library Consortium or Prospector libraries at the any of our locations with a few exceptions:

  • NOOKs must be returned to the branch where it was checked out from. The NOOK cannot be returned through the bookdrop.
  • The Investikit must be returned to the branch where it was checked out from. The Investikit cannot be returned through the bookdrop.

Due Date & Overdue Notification
Knowing when your library items are due is your responsibility. There is no grace period. To help you keep track of item due dates, the library sends the following notices:Three day advanced courtesy e-mail notice.

  • First overdue notice is sent after 7 days.
  • Second overdue notice is sent after 14 days.
  • A bill for material replacement is sent at 30 days.


Be aware that non-receipt of these notices does not release you from your responsibility to return materials on time. It is your responsibility to let us know when your mailing address, telephone number or e-mail address has changed. You must have a valid e-mail address in your library account in order to receive courtesy notices. If you do not provide us with an e-mail address, the one-week and two-week overdue notices will be provided to you by telephone. The bill for replacement charges (sent after items are three weeks overdue) is always mailed to you. To update your e-mail address, call 303-441-3100 or log on to your account. Library accounts with items that become five weeks overdue may be sent to a collection agency.

Paying Fees & Blocks on Your Card

You may pay any fees with cash, personal check or credit card at any library location. You may pay online at Note that any fees totaling more than $10.00 will block your borrowing and renewal privileges.

Your borrowing, renewal, and database access privileges are blocked if:

  • you have 1 or more overdue library items that have holds, or
  • you have 1 or more library items that are 15 days overdue, or
  • more than $10.00 in fees owed (see payment information), or
  • your account has expired.

Lost and Damaged Items
When library items become three weeks overdue, a billing notice is sent stating the replacement fee. This fee must be paid if the item has been lost. If the Library item is returned, late fees are charged and the replacement fee is waived from your account.

Replacement fee = Library’s cost of the item + $5.00 processing fee

Books in a Bag and NOOKs have a separate replacement fee structure.

The replacement charge for ANY materials borrowed from a Prospector library is $40.00, no exceptions.

The Library is UNABLE to accept replacement items in exchange for any lost materials or refund the replacement fee should you locate the material at a later date.

The Library charges to replace missing parts or to repair or replace damaged library items. Extreme heat or direct sunlight may harm audio-visual library items. You are responsible for paying replacement charges for any materials that are damaged while checked out on your library account.

The replacement fee for items with damaged or missing parts is $15.00 for items belonging to the Library (see exceptions for Books in a Bag and NOOKs) and $40.00 for items belonging to any Prospector library. The replacement fee will be waived if all parts are returned, though late fees may still apply. Ask a library staff member for specific replacement fees for damaged library materials.

The Library assumes no liability for the use of audio-visual library items, including but not limited to CDs, DVDs, and videos or for the equipment on which these items are played.

If an audio-visual item that you have borrowed malfunctions or has sustained damage by the previous user, please notify a library staff member so it can be repaired or replaced.