Business Directory Return to Listing ShareTweetSonoma County Librarysonomalibrary.org6135 State Farm DriveRohnert Park, CA 94928707-545-0831EmailContactsJaylene Demapan, Assistant to the Director; Email Member Directory | Calendar of Events | Member Account | Community Calendar of Events | Job Search | Member Promotions | News | Request for Information "Really making a difference in helping to build a healthy and prosperous Sonoma County." Vince Harper Join Today