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
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…
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…
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…
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,…
Exciting news! The Costa Mesa Historical Society is proud to partner with the Newport Beach Film Festival for its 26th Anniversary Celebration — happening October 16–23, 2025! Join us in supporting the inspiring film “Dickens of Christmas” Directed by Gillian McKercher — a heartwarming story of creativity, community, and the spirit of the season. Get Your Tickets: Tap the link in our bio to choose your day, date & theatre — and use code CMHS25 for a…
Experience Costa Mesa’s stories on two wheels! The Costa Mesa Historical Society is excited to host the 3rd Annual Historical Costa Mesa Bike Tour with Council Member Arlis Reynolds on Sunday, September 14, 2025. Meet at the Costa Mesa Historical Museum at 1:30 p.m., ride begins at 2:00 p.m., and we’ll return to the museum by 4:00 p.m. This is a free, family-friendly event that brings together community members of all ages to celebrate our city’s rich…
Captain Fred McDowell of the Costa Mesa Fire Department celebrates their100 years “Birthday Party". This event is FREE. There will be light refreshments served. CMFD 100 Year Anniversary Party 2:00 PM - 4:00 PM Sun, Aug 31, 2025 Norma Hertzog Community Center CMHS 100 Year "Birthday Party" RSVP Link About our speaker, Costa Mesa Fire Captain Fred McDowell - Fred McDowell is originally from Santa Ana, CA. He began playing the trumpet at age seven and participated…