The Flower Show
BECOME A SPONSOR
Fair Ag & Competitive Exhibits
The Box Office will be open on most Saturdays from 10 am to 4 pm.
Calendar of Events
The Sonoma County Event Center at the Fairgrounds has everything from festivals to sporting events, animals shows, shopping, dances, expos, and more!
Enter to Win
This is your chance to take center stage. There are free contests every day of the Fair and everyone who enters gets a ribbon.
Become a Sponsor
The Sonoma County Fair is the County's most significant annual event and provides a unique opportunity to reach a diverse population.
Experience the Magic of the
SONOMA COUNTY FAIR
A celebration of community spirit, agriculture, entertainment, and wholesome fun.
The perfect venue for your next event.
The Sonoma County Fairgrounds is a fairground and exhibition center located in Santa Rosa, California. It is where the annual Sonoma County fair takes place and other events throughout the year.
Sonoma County Fair Sponsorships & Advertising
Become one of our valued sponsors for the 2025 Sonoma County Fair
"Hot Dogs and Cool Cats"
August 1-10, 2025
Closed Monday, August 4th.
Event Center Venue Rentals
Whether it's a wedding, a corporate party, a concert, or a festival, you'll find the facility you want you and the amenities you need at the Sonoma County Event Center.
Calendar of Events
Looking for something to do? We've got everything from 3 epic days of the Country Summer Music Festival to sporting events, animal shows, shopping, dances, Harvest Fair Gala, expos and more!
Golf Course
Take advantage of our conveniently located golf course and learning center--the perfect place for a quick 18 holes or to tune up your game--at the best prices in Wine Country.
Fair Foundation
The mission of the Sonoma County Fair Foundation is to raise and steward funds to support facility improvements and special projects of the Sonoma County Fair (501c(3) non-profit).
Business Opportunities
Business Opportunities with the Sonoma County Fairgrounds. Current request: Irrigation Installation Services