Contra Costa County Library

Contra Costa County Library is a public library that is part of Contra Costa County, California, United States. There are 26 community libraries, access to electronic information via a website, over 455,000 cardholders and more than 7 million items borrowed annually. Its headquarters are in Pleasant Hill.

Contra Costa County Library

Contra Costa County Library is a public library that is part of Contra Costa County, California, United States. There are 26 community libraries, access to electronic information via a website, over 455,000 cardholders and more than 7 million items borrowed annually. Its headquarters are in Pleasant Hill.