925-634-8651

Our website is getting a refresh! While we are under construction some of our pages may not be available. Thank you for being patient, we will be done very soon. In the meantime please feel free to reach us through our contact page. 

Become a Breaker

Like to explore, tinker, and restore treasures from the past?

Come help us bring history back to life.

Homer's Toolshed has a new look

Homer’s Toolshed has a new look!

From wheat fields to Balfour-Guthrie, trace the transition from dry farming to irrigated farms of East Contra Costa.

Student Virtual Tour

3rd grade classes will be able to visit the museum via virtual tour! Video is being completed for local classes.

Join our Research Team

The Kathy Leighton Resource Center is open by appointment via website message.

Plan Your Visit

The East County Historial Museum is open Saturdays and the third Monday of each month from April to October. Visit our Plan your visit page to learn more about groups tours and classroom visits

Students welcomed to Byer-Nail House by 'Mr. Byer'
'Mr. Byer' welcomes students to the Byer-Nail House

Our Museum

The East Contra Costa Historical Museum is comprised of sseveral buildings with displays that share the history of our area.