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What's happening at the Children's Museum? Come by for Crazy Awesome Science, or drop in for one of our POPUP programs.  There is always something fun to explore, six days a week at the Children's Museum of Sonoma County.

 Learn more here

Join us on Halloween for a costume parade, a haunted cardboard maze, a pumpkin plop and more kooky & spooky fun.  Most activities free with admission.

Learn more here

The Children’s Museum of Sonoma County is excited to announce , our Science Speaker Series geared towards children ages 10 and older. CMOSC will host science talks at the Museum every THIRD Thursday of the month.

Please consider making a tax deductible DONATION
Be a part of this exciting project!   Tax ID # 20-3496878


Tuesday -Saturday:

9am - 4pm

Sunday: 11am - 4pm

Mondays: Closed

Member Only Mornings:

Sundays: 9am-11am

CMOSC is closed on:

Thanksgiving Day

Christmas Eve

Christmas Day

New Year's Day

Click HERE for a map

to the Museum

1835 W. Steele Lane

Santa Rosa, CA 95403

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For more information:
T: 707-546-4069
Send regular mail to:
P.O. Box 12323, Santa Rosa, CA 95406