Hours and Admission Fees



  • OPEN Wednesday - Monday: 9am–4pm
  • Sundays: 9am–11am for Members Only


  • CLOSED Tuesdays  (open select Tuesdays during winter & spring school breaks)
  • Holiday Closures:  New Years Day, Easter, July 4th, Thanksgiving Day, Christmas Eve Day, and Christmas Day
  • Maintenance Closure: September 19 - September 22

*For safety reasons, adults are not let in the Museum without children unless they have arranged a tour prior to their visit. Please email info@cmosc.org to arrange a tour.

*Group visits can occur Mondays, Wednesdays, Thursdays and occasional Fridays.


  • Adults and children: $12
  • Babies under 12 months: FREE
  • Members: FREE (Please see Membership for more information)
  • Seniors (62+): $9
  • Military adults with ID: $9
  • ACM Reciprocal Memberships with card and ID: $6 (limit: up to 6
  • people)*
  • EBT Cardholders with card and ID: $2 (limit: up to 6 people, including the cardholder)**

For information on purchasing gift cards, click here.

*Reciprocal Memberships: Visitors with a current reciprocal membership
from a participating Association of Children's Museums organization will
receive 50% off admission prices for up to six people. A current
membership card from the participating museum is required in order to
receive the discount. For a full list of ACM reciprocal museums, visit

**Reduced Admission Rate for EBT Cardholders: The fun and wonder of
CMOSC are for everyone. To ensure that CMOSC is accessible to all, we
offer a reduced admission rate to EBT (Electronic Benefit Transfer)
cardholders. Present your EBT card and photo ID at the Front Desk to
receive admission for up to six people at $2 per person. To find other
participating museums, visit www.Museums4All.org.

The Children's Museum of Sonoma County accepts cash, check, Visa,
MasterCard, Discover and American Express.

Families in need are welcome to apply for free admission passes through the Sonoma County Library Discover & Go Program.


With many unique features and benefits, the Children’s Museum has a membership suitable for your family or organization. All memberships include unlimited visits for one year.


Our parking lot is free to Museum visitors.

Public Transportation

The Santa Rosa City Bus Route 11 stops directly in front of the Museum.


Our site has been designed and built with the comfort and use of visitors with special needs in mind. We welcome all types of wheeled guests to enjoy the Museum.

Group Visits

If you are a group wanting to visit the Museum, please see our Group Visits page for booking information. 

Children's Museum Story Guide

We offer a Children's Museum Story Guide to help prepare your child for their visit to the Children's Museum of Sonoma County.

Museum Rules & Guidelines

For the safety of our guests, adults are not allowed in the Museum without children, and all children must be with an adult (18 and over) at all times.

CMOSC requests that all visitors provide at least one adult caregiver for every 4 children.

All children must be accompanied by an adult over 18 AT ALL TIMES. Please do not leave your child unattended or unsupervised anywhere inside the Museum.

Adults unaccompanied by children will not be allowed inside the Museum unless special arrangements have been made with Museum staff ahead of time.

Visitors can be stamped at the front desk if they wish to leave the Museum and come back later that day.

Strollers are not allowed in our indoor exhibit spaces.

Shoes must be kept on at all times.

No wading is allowed in the Russian River Exhibit. The water in the Russian River Exhibit and water play area is non-potable. Don't drink it.

Food is allowed in the picnic area ONLY.

Animals are not allowed in the Museum unless they are a licensed service animal.

Smoking is not allowed anywhere on the Museum property, including the parking lot.

Abusive and obscene language is prohibited.

Alcohol, nuts, glass bottles, and weapons are not permitted on the premises.

Food and Drink

Visitors may bring outside food and drinks and eat and drink in the picnic area of the Museum. Glass containers, alcohol, and nuts are not permitted on the premises. We have a Healthy vending machine available for visitors.

Picnic tables are for family dining only and are expected to be shared. Staff may ask families to give up their table after 30 minutes of use if there are others waiting to find seating. Tables cannot be reserved or saved and birthday parties/groups are not permitted. To celebrate your birthday at the Museum, please visit parties for more information.


Lost and Found

Lost and found items are held at the front desk.


We have cubbies located in our Entrance Lobby for guests to use. The cubbies do not lock.

Baby Care

Changing tables are available in all restrooms.  For health & safety, please restrict all diaper changes to changing tables only.


There are family restrooms in the lobby, Mary's Garden, and Ella's Art Studio. All of our restrooms are wheelchair accessible and have changing tables.


We offer outside stroller parking while at the Museum.  We encourage minimal stroller use on the grounds. Due to safety issues, strollers are not permitted in the Science and Imagination Gallery or Ella's Art Studio.


Sun: While our trees are still growing, most of our outdoor area is exposed to the sun. Please bring sun protection (hats and sunscreen) for the entire family.

Water: We have multiple water exhibits outside that offer the possibility for children to get wet. We recommend bringing a complete change of clothes in the event your child needs one.

Shoes: Shoes MUST be kept on at all times. If your child plans on playing near the water areas, we recommend shoes that can get wet.

Art: Activities in the art room have the potential to be colorful and messy, please plan accordingly!

Our Open Door Policy

CMOSC does not turn away visitors due to lack of funds. Families are welcome to visit the museum on a pay-what-you-can basis. To participate, tell the front desk staff that you wish to enter under the open door policy.

For more information, please see our Museum FAQs