Moneta Branch, also known as the Junipero Serra Branch, is a former branch library of the Los Angeles Public Library located south of Downtown Los Angeles.The Moneta Branch was established in 1908 as a book depository located in a store. In 1915, a formal branch library was opened in a rented store building at 249 West 45th Street, near Moneta Avenue, from which it derived its name. During World War I, the Moneta Branch served as a headquarters for Liberty bonds and the Red Cross.
The existing Mediterranean Revival style branch library building was opened in 1923. The name of the branch was changed in 1934 to the Junipero Serra Branch in honor of Junípero Serra, the founder of the California mission system.The Moneta Branch was designated as a Historic-Cultural Monument by the Los Angeles Cultural Heritage Commission in March 1984.