Contra Costa County Library

Contra Costa County Library
LocationContra Costa County, California
Established1913 (1913)
Branches26
Access and use
Circulation7,422,673
Population served1,024,319
Members455,607
Other information
DirectorAlison McKee, County Librarian
Websiteccclib.org

The Contra Costa County Library is the public library system in Contra Costa County, California, United States. There are 26 community libraries including the NRHP-listed Martinez Library, access to electronic information via a website, over 455,000 cardholders and more than 7 million items borrowed annually. Its headquarters are in Martinez.