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Sponsor us and join in on the fun!

For a complete list of sponsorship details please visit our webpage at https://www.winecountryhatday.com/sponsors

You do not need to enter all your guest names now, you can enter your name only and skip through each attendee at this point. 

Our team will email you a link to share with your guests so that they may pre-register themselves.

Hat Day at the Fair 2026
Friday, August 14, 2026
Package Name Amount Quantity Subtotal
Benefactor Sponsor (8 included) $0.00
Advocate Sponsor (8 included) $0.00
Friend of Ag Sponsor (8 included) $0.00
Registration opens: Monday, March 23, 2026
Registration closes: Saturday, August 1, 2026

I would like to make a donation

$0.00
I authorize Sonoma County Fair to use the credit card entered on the submission page at event Hat Day at the Fair 2026. Once the transaction has completed successfully, a confirmation receipt will be sent to the email address entered.