World’s Ugliest Dog® Contest
The Sonoma County Fair is proud to host the 2025 World’s Ugliest Dog® Contest with sponsors Hansel Subaru & Tito's Vodka.
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Our Mission Statement
Sonoma County Fair and Exposition Inc. is a non-profit enterprise that serves as a multi-use facility and event center. Our focus is on agriculture education, economic development, and entertainment. We are an asset at the ready for emergency conditions in the North Bay region. Through education, entertainment, and resiliency, we commit to creating an environment where every citizen can experience the unity of our county, inspiring a spirit of collaboration and mutual support that extends beyond the Fairgrounds.
2025 FAIR
AUGUST 1 - AUGUST 10, 2025