Join us for an Open House and Tour as we celebrate American Archives Month!
Saturday, October 17, 2026
This is the public's opportunity to see the well-preserved archives of the Contra Costa County Historical Society, view some of the latest acquisitions, and learn from the archival experts about preserving, storing and digitizing important records.
Special items will be pulled from the archives and out on display for this event.

Tour appointments begin at 10:30am for CCCHS members.
Non-member tour appointments begin at 11:30am.
Please register in advance for a tour slot using the RSVP link to the right or scan the QR code below.
Beverages and light snacks will be served in the Lobby.
Admission is free.
Tour times will be approx. 60 minutes.
CCCHS Bookstore will be open. Members receive 10% OFF.
Consider sharing your family history or donating some of your family records to the CCCHS Archives.


When
October 17, 2026
10:30 am
-
2:30 pm
Location
Contra Costa County History Center
724 Escobar Street, Martinez, CA 94553
925-229-1042
info@cocohistory.org
RSVP OnlineShare
October 17, 2026 10:30 AM
October 17, 2026 2:30 PM
Contra Costa County History Center
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CCCHS Open House in celebration of American Archives Month