The Mendham Borough Library is a community-centered public library that has existed since 1797. The library offers resources for local families and individuals. It has an extensive collection of books, magazines, audio books, DVDs and more, as well as online databases. It regularly hosts educational programs, childrens' story time and meetings for local book clubs. It offers a meeting room, services for the blind and disabled and delivery service. The Mendham Borough Library also houses the Andrew Fletcher Art Gallery, which features exhibitions throughout the year.