Petaluma History Room

Petaluma Regional Library
100 Fairgrounds Drive
Petaluma, CA 94952
(707) 763-9801
Contact us

Connie Williams
Petaluma History Room Librarian
(707) 763-9801 x0722

All library buildings are closed on holidays.

Monday: 10am-6pm
Friday: 10am-1pm
Saturday: 10am-6pm

Please inquire at the Petaluma Regional Library reference desk if history room materials and/or assistance are needed outside of these hours.

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Petaluma History Blog

An occasional series of stories about Petaluma’s fascinating history—please join in and comment with insights, experiences, and family history! Each post includes images found in the Sonoma County Library Special Collections, newspapers, books, and when possible, online links so that you can follow up and get the whole story. Learn more.

Local History

The Petaluma History Room preserves and provides access to historical records about the City of Petaluma and surrounding areas. Learn more.


Do you want to know who started the World Wrist Wrestling Championship? Or who designed some of Petaluma’s iconic buildings? Did you know that Petaluma was the home destination of the first trans-continental paid delivery of goods by a truck? Do you want to know more about your historic house? Contact us and we can help answer your questions whether for work, school, or personal interest.

About the Petaluma History Room

Built upon the collections and knowledge of local historians Ed Mannion and Ed Fratini, the Petaluma History Room houses books, manuscripts, newspapers, images, maps, clippings, yearbooks, City of Petaluma municipal records, and more.


Do you like history? Sign up to become a Petaluma History Room docent! Duties vary but can include organizing historical papers, clippings files, and more. Are you a junior or high school student interested in history? Join us as a junior docent and help us build exhibits and devise fun activities for kids and others to enjoy.


The Petaluma History Room is located within the Petaluma Regional Library. Inquire at the reference desk for availability.