The Diamond Bar Public Library is located near the intersection of Diamond Bar Boulevard and Grand Avenue, next to the Grand Avenue Fire Station. The library is a part of the Los Angeles County Library system and patrons with a <a href="http://www.colapublib.org/aboutus/librarycard.html">county library card</a> can check out books, access library databases from home, download audiobooks and e-books, use the library's public computers and internet and connect to wireless internet using an additional Personal Identification Number. Cardholders can also manage their accounts <a href="http://catalog.colapl.org/uhtbin/cgisirsi/x/x/0/49/">online</a>. It has a 132-person capacity meeting room and 9,935 total square feet in its one-story building.