Contra Costa County Library
| Contra Costa County Library | |
|---|---|
| Location | Contra Costa County, California |
| Established | 1913 |
| Branches | 26 |
| Access and use | |
| Circulation | 7,422,673 |
| Population served | 1,024,319 |
| Members | 455,607 |
| Other information | |
| Director | Alison McKee, County Librarian |
| Website | ccclib.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.