The Library is a place of lifelong learning

The ACFL&MH is the county’s fifth oldest Carnegie Library. The ACFL&MH is distinguished not only by its age and endowment, but by the fact that the town it graces was named for Mr. Carnegie. In 1894, the two boroughs of Mansfield and Chartiers consolidated to become one – Carnegie – in order to encourage the philanthropist to donate a library and high school to the new community. Indeed, while the Carnegie name is internationally associated with libraries and he ultimately went on to build more than 2500 of them, the Andrew Carnegie Free Library & Music Hall is the only library in the country bearing Mr. Carnegie’s first name!

For more than a century, the ACFL&MH has been serving the residents of Carnegie and surrounding communities. Stop and tour our historic building, attend one of our many programs, borrow from our vast collection of books, movies, CDs, magazines, and audiobooks. You can surf the Internet, or just sit and relax for awhile.

How would you like to download free magazines to your computer or e-device every month? Now with your library card and a Zinio account you can.  Click here to get started.

Library Cards

Membership is free to residents of Allegheny County, Pennsylvania and as a member of the Allegheny County Library Association, your ACFL&MH card can be used in any of the county’s 44 libraries. A picture ID with proof of home address is required. Persons under age 18 must have a parent or legal guardian’s signature on the application along with their parent/guardian photo ID. A $1.00 replacement fee is charged for lost cards. The following are acceptable forms of photo identification:

  • Current PA driver’s license
  • PA Non-driver’s photo ID card
  • Non-PA driver’s license with proof of Allegheny County residence
  • U.S. Military Card
  • Current Passport
  • Alien Registration Card

Your library card (in good standing) is required to access the public computers.

Click here to sign up for a temporary library card.


Adopt A Book Program

This program provides a unique opportunity to combine your love of books and your love for the Andrew Carnegie Free Library. Your tax deductible donation will help ensure our shelves remain stocked. Each $25 donation adds a new Best Seller upcoming release to the collection.

Click here to learn more.


The library has public computers with high speed internet access. In addition, wireless internet access is provided free of charge. A library card is necessary to access this service.

A Word about Book Donations

People who love books hate to throw them away and often bring them to the library as a donation. While we accept donations, we reserve the right to choose whether we add them to our collection, place them on our sale rack, or recycle them. Please use the following guidelines when deciding to make a donation.

The library accepts gifts of books and other materials with the understanding that they will be added to the collection only if appropriate and needed. If they are not needed because of duplication, condition, or dated information, the director can dispose of them as he/she sees fit. Gifts must meet the same standards as other materials selected for inclusion in the library’s collection. Memorial gifts of new items or money are also accepted with suitable bookplates placed in the book. Specific memorial books can be ordered for the library on request of a patron if the request meets the criteria established by the Board. It is desirable for gifts of or for specific titles to be offered after consultation with the library director. Book selection will be made by the director if no specific book is requested. Andrew Carnegie Free Library encourages and appreciates gifts and donations.

By law, the library is not allowed to appraise the value of donated materials, though it can provide an acknowledgment of receipt of the items if requested by the donor.

All books must be clean, free of mold, musty or cigarette smoke smells, water and/or bug damage, markings, stickers and other visible defects. Covers must be attached. All pages must be present. We do not accept encyclopedias, Reader’s Digest condensed books, magazines or VHS tapes.