Head to a County Fair for exciting rides, carnival games and tasty treats! County Fairs also provide a great opportunity to learn about agriculture, sustainability, technology and arts & crafts.
Plus, many fairs offer fun contests, concerts, fireworks and other entertainment included in the price of regular admission.
Contra Costa County Fair – Antioch, May 15-18
The first fair of the season with 2025 theme of “Let’s Go Country”. Dollar Day on May 15, Seniors Day on May 16, Military & Law Enforcement Day on May 17, and Fiesta Day on May 18.
San Mateo County Fair – San Mateo, May 30-June 8
Bayside 101 Music Festival on May 30 & 31. Senior Day on June 5, Pride Day on June 6, Pacific Islands Day on June 7, Dia de la Feria on June 9.
Solano County Fair – Vallejo, June 12-15
2025 theme of Fun for the Whole Herd. Carnival thrills, live music, dance, local performances and more. Thursday, June 12 is Family Ag Day with $1 admission for all ages at the gates and $5 parking. Children 5 and under get into the Fair free every day!
Alameda County Fair – Pleasanton, June 13-July 6
Carnival, concerts, cooking demonstrations, and movies on the lawn. Drone show nightly. Fireworks and drone show on June 13 and July 3.
Marin County Fair – San Rafael, July 2-6
2025 theme of Bug-tastic celebrates all things fluttery, buzzy, creepy, and crawly. Carnival, special events, community performances and fireworks every night.
Santa Clara County Fair – San Jose, July 30-August 3
Carnival rides, performances, and demonstrations. Parade on Saturday, August 2 at 6 PM – a half-mile of music, dance, floats, and fun.
Sonoma County Fair – Santa Rosa, August 1-10
2025 theme of “Hot Dogs and Cool Cats”. Carnival rides, music and special events.
Napa County Fair – Napa, August 7-10
Carnival rides, performances, and live music.
Santa Cruz County Fair – Watsonville, September 10-14
The last fair of the season with 2025 them of Hay Bales, Piggy Tales, and Ewe.
