With your support and the support of friends and businesses in our community, CMOSC is able to bring playful and innovative learning experiences to thousands of children each year.  Our permanent location is NOW OPEN in Santa Rosa where the imaginations of all children and families is ignited in a safe environment.


The Children’s Museum of Sonoma County was founded in 2005 and is designated as a tax-exempt nonprofit charitable 501(c)(3) organization by the Internal Revenue Service with the Tax ID #20-3496878.


Thank you for helping to bring a sense of wonder to children all over Sonoma County and beyond. 

You can make a gift ONLINE to the Children's Museum

using a major credit card.

DONATE YOUR TIME AT A MUSEUM-ON-THE-GO EVENT! We're always looking for volunteers to help out at different events.  It's a lot of fun and just a few hours of your time are greatly appreciated.  Click here for more information.

Thank you!
Please click HERE for credit card privacy statement, terms of use and return policy

Mail checks to
P.O. Box 12323
Santa Rosa, CA 95406

We also accept donated items:
Tables, chairs, duck tape, art supplies, Canon Pixma 6700D #8 printer inks, printer paper, 9x12 envelopes, diapers, toiletries, storage space for exhibits and supplies, coffee at events.

We're happy to consider anything you wish to donate. Even items you might not believe to be in good enough condition can be refurbished and turned into a creative new exhibit. 

Please email if you'd like to donate something to the museum.