(949) 631-5918 Thursday - Friday 10am - 3pm

Historical Society Museum

Costa Mesa Historical Society Museum and Archives

1870 Anaheim Ave.
(949) 631-5918
Open 10 a.m.-3 p.m. Thursdays and Fridays

View a mind-boggling array of artifacts from 5,000 years of Costa Mesa history — from the first peoples to the City of the Arts — or find essential resources for your next research project.

Please note: the Historical Society Museum entrances are temporarily affected by construction on the new library. If Park Avenue is closed, please enter from Anaheim. If Anaheim is closed, please enter from Park Avenue.

Diego Sepulveda Adobe

Diego Sepulveda Adobe
1900 Adams Ave.
Open 12-4 p.m. 1st and 3rd Saturdays

Explore centuries of history when you visit one of Orange County’s oldest buildings in its gorgeous setting at Estancia Park.

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