Membership

The Children’s Museum offers unique and generous membership benefits designed for flexibility. All memberships include unlimited visits for one year.

Memberships for Families

One Year Free General Admission For*:

  • Cost: $160.00

  • Parent and partner/spouse, living in the same household

  • The dependent children under 18 living in the home

Free Guests (when accompanying member children):

  • All related adults (age 18+)

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

*Free Museum Entry does not include blackout dates for fundraising events (such as Snow Days) or admission to birthday parties or field trips.

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

 The member parents and their 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.

The member parents and their 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 Terms

For full Membership Policies and Guidelines, download our Family membership terms.          

  • Membership Card and Photo ID required for every visit.

  • CMOSC membership provides free admission any day we’re open except blackout dates for fundraising events, such as our annual Snow Days Family Fundraiser and attendance at birthday parties or field trips.

  • A membership may NOT be shared by more than one family. Non-dependent children may NOT be added to a membership. Failure to comply will result in termination of membership privileges without refund.

  • All Family, Collaborator and Innovator members must live in the same household (parent, partner/spouse, dependent children).

  • All name changes or additions to membership are subject to approval. Verification may be required.

  • Related Adult guests are only free when accompanying named member children.

  • Memberships are non-transferable and non-refundable.

  • CMOSC reserves the right to make changes to the terms and benefits at any time.

  • Failure to comply with the Museum’s posted rules and membership terms may result in termination of membership privileges without refund.


Family Access Memberships

CMOSC strives to make the Museum accessible to all families. Our Family Access program provides discounted memberships to income-eligible families. A Family Access membership is valid for 6 months and provides your family with the following benefits:

Six Months Free General Admission For*:

  • Parent and partner/spouse, living in the same household

  • The dependent children under 18 living in the home

Free Guests (when accompanying member children):

  • All related adults (age 18+)

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

*Free Museum Entry does not include blackout dates for fundraising events (such as Snow Days) or admission to birthday parties or field trips.

For all information regarding Family Access Memberships & to apply, CLICK HERE.


Memberships for Grandparents

One Year Free General Admission For*:

  • Cost: $160.00

  • Grandparent and partner/spouse, living in the same household

  • Up to four (4) grandchildren per member grandparent present 

*Free Museum Entry does not include blackout dates for fundraising events (such as Snow Days) or admission to birthday parties or field trips.

Who is covered with a Grandparent or Grandparent Club 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.

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 Terms      

For full Membership Policies and Guidelines, download our Grandparent membership terms.    

  • Membership Card and Photo ID required for every visit. Membership card may only be used by the named grandparent members.

  • CMOSC membership provides free admission any day we’re open except blackout dates for fundraising events, such as our annual Snow Days Family Fundraiser and attendance at birthday parties or field trips.

  • Grandchildren are free only when accompanying named member grandparent.

  • The Grandparent membership is only available to grandparents, and may not be shared with their children.

  • Only the grandparent and their spouse/partner may share a membership.

  • All name changes or additions to membership are subject to approval. Verification may be required.

  • Memberships are non-transferable and non-refundable.

  • CMOSC reserves the right to make changes to the terms and benefits at any time.

  • Failure to comply with the Museum’s posted rules and membership terms may result in termination of membership privileges without refund.

Membership Comparisons

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Membership FAQs

For our Membership FAQs, CLICK HERE

Already a member? Get Your eMembership Card on Your Smartphone!

Follow the download instructions below (up to 2 downloads per membership), then present your eMembership card on your phone when checking in, and give the names of the children with you.

(Related adults or caregivers bringing the member children: present your own photo ID at check-in and give the names of the children with you.)

  • In iTunes or Google Play, search for “eMembership Card”

  • Once downloaded, open app and choose Children’s Museum of Sonoma County

  • Select Find My Membership Card

  • Enter your phone number and last name

  • Select Download My Cards

  • Use the app to view all member benefits, FAQs, expiration information and more!

  • Note: Downloading card to the Apple Wallet is not recommended. Cards in the Apple Wallet will not automatically update on renewal or display ACM reciprocal information. To receive ACM discounts at participating children’s museums, please display card in the eMembership Card app.

If you have any questions or problems, email the Membership Department at members@cmosc.org.

ACM Reciprocal Privileges

Each membership level includes reciprocal privileges with the Association of Children’s Museums (ACM). The ACM Reciprocal Network is a voluntary network of museums that reciprocate discounted admission to one another’s premium members. Present your valid CMOSC membership card at any of the 200 reciprocal museums across the country to receive 50% off general admission for up to six (6) people, including the cardholder.

For a complete list of ACM Reciprocal museums, please visit www.findachildrensmuseum.org.

Remember:

  • Current Member card is required

  • ID may be required

  • Verify ACM participation before visiting

Schulz Museum & Snoopy’s Home Ice Arena Discount

Experience the joy of Peanuts! Members of CMOSC, receive $1.00 off on admission for up to four (4) people next door at the Charles M. Schulz Museum and at Snoopy’s Home Ice Arena when you show your current CMOSC member card!

Guidelines for Museum Members

  • We post all programs and special events on our calendar - we recommend checking it frequently to optimize your visits.

  • The Museum issues announcements and membership information primarily via email blasts; communication by mail is limited to physical member cards when requested. Members are encouraged to keep their email and postal addresses up-to-date by notifying Member Services at members@cmosc.org with any changes.

  • On occasion, CMOSC may be closed for facility upgrades or private events. While we do our best to notify both members and the general public of any closures, open days and hours are subject to change without prior notice. Please see our calendar or home page for a complete and current listing of closures or special events.


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.