Sonoma County History and Genealogy Library

  • HG Annex Bldg. photo
725 3rd Street
Santa Rosa, CA 95404
Library Hours: 

Phone service schedule
Monday - Friday: 10am-5pm

Walk-in schedule
Monday & Tuesdays: 1-3 pm
Wednesdays - Fridays: 11am-1pm

Horario de servicio telefónico
Lunes a viernes: 10am-5pm

Horario presencial
Lunes y martes: 1-3 pm
Miércoles a viernes: 11am-1pm

Note: access to the Sonoma County Archives is temporarily unavailable while the materials are relocated.
Click here for more details.

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