Become a part of the CMOSC family!

As a non-profit organization, the Children’s Museum of Sonoma County is grateful to all our donors and members for supporting our mission. Together we are inspiring curiosity and creativity through joyful, transformative experiences. You play a critical role. We are able to offer this important community resource because of you.

There are many ways to support the Children’s Museum of Sonoma County!

Questions about giving can be directed to our Director of Advancement,

Supporting CMOSC is supporting our community!

We know how vital our local businesses are to our community. And we want to thank them!

The following businesses have supported the mission of the Children’s Museum with donations and partnerships for our events and programs. Working together, we inspire curiosity and creativity through joyful, transformative experiences.

We are grateful for your support. Thank you!

Amista Winery, Balletto Winery, Christopher Creek Winery, Flambeaux Wine, Fritz Underground Winery, Korbel Winery, Kosta Browne Winery, Jackson Family Wines, Limerick Lane Winery, Lando Winery, Mauritson Wines, Mill Creek Vineyard & Winery, Russian River Vineyards

The Flamingo, The Sandman

Restaurants & Food Services
Bellweather Farms, Black Oak Coffee, Chacho’s Catering, Clover Sonoma, Costco, Costeaux, Gaga Café, Hen House, Lagunitas, Mary’s Pizza Shack, Mountain Mike’s Pizza, Russian River Brewery, The Whole Pie, Wicked Slush

Local Businesses
Aaction Rents, Big 5, Clementine the Amazing, Encore Event Rentals, Fundemonium, Kidzone, Green Music Center, Luther Burbank Center, Medtronic, Peter’s Pumpkin Patch, Ramm Rock & Landscape Supply, Sonoma Flower Mart, Sports Basement, Transcendence Theater, Western Farm Center, Wheeler Zammeroni

Bay Area Garden Railway Society California Railroad Museum, Coastal Valley Lines, Diablo Valley Short Line, Redwood Empire Garden Railway Society, Redwood Empire Live Steamers, Skunk Train, SMART Train, Train Town, The Train Guys (Bob Guinan, Jim Cunningham, Doug Lodge, Lew Breon)

Exchange Bank, Redwood Credit Union, Mechanics Bank, Summit State Bank

Sonoma Country Day School, The Presentation School

Donating In-Kind & Items

Thank you for thinking of CMOSC for your donation! Please call (707) 546-4069 or email, if you would like to speak to someone about an in-kind donation, or if you have a specific item you’d like to give to the Museum. Please do not bring items to the Museum prior to getting approval.

Not sure what to donate?

CMOSC Wishlist

Would you like to donate something to the Children’s Museum that you know we’ll use? Great, we would love that! Not sure what items we need the most? Here is our list of items that we use regularly and always need as back up.

Please note that we have specific needs for the Museum, and we would appreciate you checking in with us before donating something that is not on the list. Thank you for your support to the Children’s Museum of Sonoma County! 

Most Wanted Items

Parent Emergency Kits Items

  • Diapers, misc sizes
  • Children’s clothing, misc sizes
  • Baby wipes 
  • Ziplock bags

Science and Imagination Gallery

Mary’s Garden

Art Studio

Office Supplies & Administrative

  • 9 x 12 envelopes
  • Stamps
  • Printer paper
  • Printer ink

Children’s Books for Story time

Tools for our Exhibit Workshop

  • Work truck
  • Truck rack
  • Bench disc sander
  • Bench belt sander
  • Oscillating spindle sander
  • Drill press
  • Bench grinder and wire wheel
  • Welder
  • Milling machine
  • Mobile dust extractor

The Children’s Museum of Sonoma County was founded in 2005 and is designated as a tax-exempt nonprofit charitable 501(c)(3) organization by the Internal Revenue Service with the Tax ID #20-3496878.

Mail checks to: CMOSC, P.O. Box 6141 Santa Rosa, CA 95406


Jun 5

Toddler Playdate

10:00am – 11:00am
Jun 6

Virtual Art Adventures

10:00am – 11:00am
  • Jun 9


    9:00am – 4:00pm