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  Conference of California
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   State & Local History

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Costa Mesa, California

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Costa Mesa's 60th Anniversary Celebration

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Historical Society and Diego Sepulveda Adobe


Costa Mesa Historical Society
PO Box 1764
Costa Mesa, CA 92628

(949) 631-5918


Membership: questions, joining, status:


PO Box 1764
Costa Mesa, CA 92628

(949) 631-5918


Museum and Library

The Costa Mesa Historical Society office, archive, museum and library are open to the public on Thursdays and Fridays from 10:00am until 3:00pm, or at other times by appointment. The building is located near the downtown library and recreation center at 1870 Anaheim Avenue.

Diego Sepulveda Adobe

The Diego Sepulveda Adobe is open to the public for tours on the 1st and 3rd Saturdays of every month from 12 Noon to 4PM, or at other times by appointment.  The adobe is located in Estancia Park, 1900 Adams Avenue, Costa Mesa.  Please contact us at the above address or phone number for more information.

Costa Mesa Historical Society Officers

    David "Dave" Gardner President
    Terry Shaw 1st Vice President - Programs
    Tess Bernstein 2nd Vice President - Membership
    Estelle Sewell Hughes Secretary
    Susan Weeks Treasurer

Costa Mesa Historical Society Directors

  • Mary Ellen Goddard - Head Archivist
  • Cynthia Humphreys
  • Robert "Bob" Palazzola - SAAAB Wing Director
  • Dave Rusher

Fairview Register Editor

  • David Colon

Copyright 2002-2018 Costa Mesa Historical Society