Byers Library moved to this modular building in 1984 and was renamed the Ann E. Kelver Library in honor of the Library District's first Director who retired that same year.
Koelbel Library (aka Main Library) opened in 1992 at 5955 S. Holly Street, Centennial , CO. It was named in honor of financial contributor Walter A. Koelbel.
Castlewood Library opened in 1982 and is located at 6739 S. Uinta Street in Centennial, CO. Prior to the opening of this library Walnut Hills Library served this community.