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Tell Your Costa Mesa Story Win prizes and be featured at the Costa Mesa Historical Society’s 60th Anniversary Celebration ENTER THE CHALLENGE Choose One Way to Enter 📸 Photos Submit 5 selfies at Costa Mesa locations or events+ 2 sentence caption for each 🎥 Video Create an original 3 minute videoHighlight your Costa Mesa experience ✍️ Essay Write a 1 to 2 page essayDescribe Costa Mesa in your own words Win Prizes iPads • $100 Gift Cards…
08.30.26 An Open House at the Costa Mesa Historical Society Museum 4 PM - 5:30 PM Followed by a Gala at the Hertzog Community Center 6 PM - 8 PM Sign up for our newsletter
08.29.26 Food, music and fun to celebrate our 60th Anniversary at the Diego Sepulveda Adobe 11 AM - 3 PM Stay informed, sign up for our newsletter
2026 Sponsorship Opportunities In 2026, the Costa Mesa Historical Society invites you to be part of two meaningful milestone events: our first-ever Mother’s Day Speakers Program and Brunch and our 60th Anniversary Celebration. These gatherings are more than events. They are an opportunity to bring our community together, honor the people and places that shaped Costa Mesa, and ensure these stories continue to be preserved and shared for future generations. Why Sponsor Associate your name or business…
As the nation marks its 250th birthday in 2026, Costa Mesa has its own story to tell about the last time America reached a milestone like this. Fifty years ago, as the country prepared to turn 200, this community didn't simply celebrate — it organized, it innovated, and it inspired a generation of young people to engage with their history in ways that left a lasting mark. The photos and memories that follow are a reminder of…
Sunday, April 19, 2026 | 2:00–4:00 pmMembers Only Event Join the Costa Mesa Historical Society for a special docent-led tour of the Segerstrom Center for the Arts, one of Orange County’s most celebrated cultural landmarks and a defining institution in Costa Mesa’s artistic legacy. Guided by knowledgeable Segerstrom Center docents, this exclusive behind-the-scenes experience offers rare insight into the history, architecture, and vision that shaped this world-class performing arts campus. Participants will gain a deeper appreciation for…
Fresh from a major statewide historic designation, the Costa Mesa Historical Society is honored to present H. Ernie Nishii, President of the Historic Wintersburg Conservancy, for a timely and important speakers program. On January 2, 2026, Historic Wintersburg was officially listed on the California Register of Historical Resources, recognizing it as one of the most significant surviving sites associated with Japanese American history in Orange County. This rare designation affirms decades of community advocacy and places Historic…
For over 60 years, the Costa Mesa Historical Society has worked to protect the stories, photos, artifacts, and memories that define our city. Today, your support ensures that these treasures remain alive for future generations. ***NOTE: this Giving Season event goes through December 31st, 2025! Why Your Gift Matters: Digitize fragile photographs, maps, and newspapers Upgrade archival tools and technology (video camera, audio recorder, still camera for events) Maintain exhibits and preserve irreplaceable artifacts Support volunteer programs…
Speakers Program & 2026 Board Installation Sunday, January 11, 2026 – 2:00- 4:00PM Norma Hertzog Community Center, Costa Mesa Celebrate the start of a milestone year! The Costa Mesa Historical Society is turning 60, and there has never been a more exciting time to be a member of the one and only society that matters in Costa Mesa. Join us as we kick off this landmark anniversary with a special edition of our Speakers Program and the…
Experience the art and architecture of the Segerstrom Center for the Arts on a special outdoor walking tour led by two Center Docents from the Segerstrom Center for the Arts, alongside Council Member Arlis Reynolds. The Tour has been filled! If you want to be on Stand by List, please fill out the form! The tour begins on the south side of Segerstrom Center for the Arts Plaza overlooking the fountain, continues through the serene Noguchi Garden,…