An Afternoon at the Adobe – Celebrate the 60th Anniversary of the Costa Mesa Historical Society
Saturday, August 29, 2026 | 11:00 AM – 3:00 PM Diego Sepúlveda Adobe & Estancia Park 1900 Adams Avenue, Costa Mesa, California The Costa Mesa Historical Society invites the community to join us for a special afternoon celebrating the Society’s 60th Anniversary at one of Costa Mesa’s most treasured historic landmarks, the Diego Sepúlveda Adobe. “An Afternoon at the Adobe” will bring together local museums, historical organizations, preservation groups, community partners, and families for a free public…