East Contra Costa Historical Society

Museum Open
2025-09-13 10:00 - 14:00, 2025-09-20 10:00 - 14:00, 2025-09-21 10:00 - 14:00, 2025-09-27 10:00 - 14:00, 2025-10-04 10:00 - 14:00, 2025-10-11 10:00 - 14:00, 2025-10-18 10:00 - 14:00, 2025-10-19 10:00 - 14:00 (America/Los_Angeles) and 1 more date | Museum
Plan your visit

Byron Chili CookOff
2025-10-05 14:00 - 17:00 | Community

Member Night at the Museum
2025-11-06 17:00 - 20:00 | Museum

Member Dinner Meeting
2025-11-16 13:30 - 16:30
Traditional Thanksgiving dinner complete with pumpkin pie! Byron Roadhouse
Speaker: Patty Bristow

Brentwood Holiday Parade
2025-11-29 17:00 - 20:00 | Community
Watch for ECCHS in the Brentwood Holiday Parade!

Christmas on the Farm
2025-12-07 11:00 - 16:30 | Museum

Docent Training
2026-03-11 13:00 - 15:00 | Resource Center

March Member Dinner
2026-03-15 13:30 - 16:30 | Bethel Island Scout Hall, 3090 Ranch Lane, Bethel Island, CA, 94511, United States

Greeter Orientation Meeting
2026-03-21 13:00 - 15:00 | Museum

Board Meeting
2026-04-01 10:00 - 12:00, 2026-05-06 10:00 - 12:00 | Resource Center

Local History Days (3rd grade field trip)
2026-04-02 - 2026-05-29 | Museum
ECCHS enhances and enriches study of local history with full day field trips for third grade students within the boundary of the Liberty Union High School District (Bethel Island, Brentwood, Byron, Discovery Bay, Knightsen, Oakley).
Field trips are on Monday, Tuesday, Thursday, Friday April 1-May29

Opening Day
2026-04-04 09:00 - 14:00 | Museum

Museum Open
2026-04-11 10:00 - 14:00, 2026-04-18 10:00 - 14:00, 2026-04-19 10:00 - 14:00, 2026-04-25 10:00 - 14:00, 2026-05-09 10:00 - 14:00, 2026-05-16 10:00 - 14:00, 2026-05-17 10:00 - 14:00 | Museum

Museum Open
2026-05-02 10:00 - 14:00

May Member Dinner & Officer Installation
2026-05-17 13:30 - 16:30 | Grounds
