Sonoma County Library

Search for Sonoma County CA county libraries. A county library search provides information on hours, locations and phone numbers, library services, library events, library programs, books, magazines, movies, music, ebooks, reference services, government documents, vital records, story times, book clubs, library classes, apply for a library card, check out books, find local library branches, and public index information.


Sonoma County Libraries collects and stores documents and multimedia records which they make available to the public. Libraries operate at the Sonoma County local level, or they may be part of an university, a private organization, or a government agency. Sonoma County libraries contain books, magazines, movies, music, and online and digital documents, including ebooks. They may also provide a searchable database to locate government documents such as Sonoma County vital records, government agency reports, and records on individuals and businesses. Libraries also offer events and services, including story times, book clubs, and classes, as well as reference services. Some library services may be restricted to residents of Sonoma County California, who may be required to apply for a library card. County libraries provide information about their records and services online.

Cloverdale Regional Library Cloverdale CA 401 North Cloverdale Boulevard 95425 707-894-5271

Guerneville Regional Library Guerneville CA 14107 Armstrong Woods Road 95446 707-869-9004

Healdsburg Regional Library Healdsburg CA 139 Piper Street 95448 707-433-3772

Petaluma Regional Library Petaluma CA 100 Fairgrounds Drive 94952 707-763-9801

Rohnert Park - Cotati Regional Library Rohnert Park CA 6250 Lynne Conde Way 94928 707-584-9121

Sonoma County Law Library Santa Rosa CA 2604 Ventura Avenue 95403 707-565-2668

Sonoma County Library Santa Rosa CA 211 E Street 95404 707-545-0831

Sonoma Valley Regional Library Sonoma CA 755 West Napa Street 95476 707-996-5217

Windsor Regional Library Windsor CA 9291 Old Redwood Highway 95492 707-838-1020

Wine Library Petaluma CA 765 Baywood Drive 94954 707-765-0700