Plan a Visit


3890 Sellers Avenue, Brentwood, CA 94513 

Open Hours: 

The East Contra Costa Historical Museum is open Saturdays and the third Sunday of each month April through October. 


Admission: Free 

***NOTE*** The Byer-Nail House is currently closed to allow for restoration of windows throughout the house. All other areas of the museum are open for public visits.

In order to avoid liability issues and ensure the safety of visitors and volunteers, no animals (except service dogs) shall be allowed on ECCHS property. 

Group Tours

Group Tours are available upon request. If your organization or group would like to arrange a visit to the ECCHS Museum, click here

3rd Grade Classroom Visits

East Contra Costa Historical Society offers programs for 3rd grade students to support their study of local history. See information under the LEARN tab 

Students standing, reading from books