Today is #GivingTuesday - please donate to CMOSC.

Keep our exhibits WONDERful and give a FREE membership to a family in need.

Your donation keeps our exhibits whirring and our programs popping!  And on #GivingTuesday, every $100 raised provides a FREE membership to a family in need.

You Give.  We Give Back.

Be a #WonderMaker this holiday season!

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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

CMOSC is on the

Coddingtown Bus Route

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