Children’s Museum Membership

Become a member and inspire curiosity and creativity every day of the year! Embrace the power of learning through play with joyful and transformative experiences, programs, and exhibitions daily.

Family Membership

$170 per year

One Year General Admission For*:

  • Parent and partner/spouse, living in the same home
  • Their legal dependent children under 18

Free Guests (when accompanying named members):

  • All related adults (age 18+)
  • One unrelated adult (i.e. caregiver age 18+)

*During the Snow Days Family Fundraiser and birthday parties, admission rates apply for members. Discounts may be available.

Who is covered with a Family, Collaborator or Innovator membership?

The member parents and their legal dependent children are free, along with any accompanying related adults. One unrelated accompanying adult is also free per visit. Other accompanying non-member guests (non-dependent children, other unrelated adults) are $12 per person.

Family Membership at the Children's Museum

Family Membership Terms & Guidelines

Children’s Museum memberships are non-refundable, non-transferable and may not be re-sold. See our list of terms & guidelines prior to purchasing a membership.

MEMBERSHIP TERMS & GUIDELINES >

MEMBERSHIP BROCHURE >

Grandparent Membership

$170 per year

One Year General Admission For*:

  • Grandparent and partner/spouse, living in the same household
  • Up to four (4) grandchildren under 18 years, per member present 

*During the Snow Days Family Fundraiser and birthday parties, admission rates apply for members. Discounts may be available.

Who is covered with a Grandparent Membership?

The member grandparents are free, along with up to 4 grandchildren per grandparent present. Other accompanying non-member guests (parents, other adults, other children, etc.) are $12 per person.

Grandparent Membership at the Children's Museum

Grandparent Membership Terms & Guidelines

Children’s Museum memberships are non-refundable, non-transferable and may not be re-sold. See our list of terms & guidelines prior to purchasing a membership.

MEMBERSHIP TERMS & GUIDELINES >

MEMBERSHIP BROCHURE >

CMOSC strives to make the Museum accessible to all families.

Our Family Access program provides discounted memberships, starting at $20, to income-eligible families.

Compare Membership Levels & Benefits

CMOSC membership benefits infographic

Add your CMOSC eMembership Card to your smartphone for faster check-in!

1.     In the App Store or Google Play, search for “eMembership Card”
2.     Once downloaded, open app and choose Children’s Museum of Sonoma County
3.     Select Find My Membership Card
4.     Enter your phone number and last name
5.     Select Download My Cards
6.     For faster check-in, scan card at the Front Desk and tell the attendant who is with you!

Need help?  Call the Front Desk at 707-546-4069 during regular business hours.

The Children’s Museum of Sonoma County is an independent, nonprofit 501(c)(3) organization that relies on membership and admission fees as well as philanthropic support to cover operating costs, which include exhibit maintenance, facility upgrades, program development and much more. Our terms and conditions are intended to prevent misuse and abuse of memberships, which result in significant loss of revenue for the Museum. We appreciate your understanding and support.

Children’s Museum of Sonoma County’s tax EIN is 20-3496878.  Memberships are tax deductible to the fullest extent of the law. Consult your tax professional or financial adviser for more information.  

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